diff --git a/Cargo.lock b/Cargo.lock
index 346b3cb..6bf9459 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -64,7 +64,7 @@ version = "0.1.0"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.102",
+ "syn",
 ]
 
 [[package]]
@@ -74,7 +74,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "e01ed3140b2f8d422c68afa1ed2e85d996ea619c988ac834d255db32138655cb"
 dependencies = [
  "quote",
- "syn 2.0.102",
+ "syn",
 ]
 
 [[package]]
@@ -199,7 +199,7 @@ dependencies = [
  "actix-router",
  "proc-macro2",
  "quote",
- "syn 2.0.102",
+ "syn",
 ]
 
 [[package]]
@@ -306,12 +306,6 @@ dependencies = [
  "windows-sys 0.59.0",
 ]
 
-[[package]]
-name = "anyhow"
-version = "1.0.98"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e16d2d3311acee920a9eb8d33b8cbc1787ce4a264e85f964c2404b969bdcd487"
-
 [[package]]
 name = "arbitrary"
 version = "1.4.1"
@@ -321,41 +315,6 @@ dependencies = [
  "derive_arbitrary",
 ]
 
-[[package]]
-name = "async-compression"
-version = "0.4.24"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d615619615a650c571269c00dca41db04b9210037fa76ed8239f70404ab56985"
-dependencies = [
- "flate2",
- "futures-core",
- "memchr",
- "pin-project-lite",
- "tokio",
-]
-
-[[package]]
-name = "async-stream"
-version = "0.3.6"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0b5a71a6f37880a80d1d7f19efd781e4b5de42c88f0722cc13bcb6cc2cfe8476"
-dependencies = [
- "async-stream-impl",
- "futures-core",
- "pin-project-lite",
-]
-
-[[package]]
-name = "async-stream-impl"
-version = "0.3.6"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c7c24de15d275a1ecfd47a380fb4d5ec9bfe0933f309ed5e705b775596a3574d"
-dependencies = [
- "proc-macro2",
- "quote",
- "syn 2.0.102",
-]
-
 [[package]]
 name = "async-trait"
 version = "0.1.89"
@@ -364,7 +323,7 @@ checksum = "9035ad2d096bed7955a320ee7e2230574d28fd3c3a0f186cbea1ff3c7eed5dbb"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.102",
+ "syn",
 ]
 
 [[package]]
@@ -388,53 +347,6 @@ version = "1.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ace50bade8e6234aa140d9a2f552bbee1db4d353f69b8217bc503490fc1a9f26"
 
-[[package]]
-name = "axum"
-version = "0.7.9"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "edca88bc138befd0323b20752846e6587272d3b03b0343c8ea28a6f819e6e71f"
-dependencies = [
- "async-trait",
- "axum-core",
- "bytes",
- "futures-util",
- "http 1.3.1",
- "http-body 1.0.1",
- "http-body-util",
- "itoa",
- "matchit",
- "memchr",
- "mime",
- "percent-encoding",
- "pin-project-lite",
- "rustversion",
- "serde",
- "sync_wrapper",
- "tower 0.5.2",
- "tower-layer",
- "tower-service",
-]
-
-[[package]]
-name = "axum-core"
-version = "0.4.5"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "09f2bd6146b97ae3359fa0cc6d6b376d9539582c7b4220f041a33ec24c226199"
-dependencies = [
- "async-trait",
- "bytes",
- "futures-util",
- "http 1.3.1",
- "http-body 1.0.1",
- "http-body-util",
- "mime",
- "pin-project-lite",
- "rustversion",
- "sync_wrapper",
- "tower-layer",
- "tower-service",
-]
-
 [[package]]
 name = "backtrace"
 version = "0.3.75"
@@ -619,12 +531,6 @@ version = "1.0.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "9555578bc9e57714c812a1f84e4fc5b4d21fcb063490c624de019f7464c91268"
 
-[[package]]
-name = "cfg_aliases"
-version = "0.2.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "613afe47fcd5fac7ccf1db93babcb082c5994d996f20b8b159f2ad1658eb5724"
-
 [[package]]
 name = "chrono"
 version = "0.4.41"
@@ -707,16 +613,6 @@ dependencies = [
  "libc",
 ]
 
-[[package]]
-name = "core-foundation"
-version = "0.10.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b2a6cd9ae233e7f62ba4e9353e81a88df7fc8a5987b8d445b4d90c879bd156f6"
-dependencies = [
- "core-foundation-sys",
- "libc",
-]
-
 [[package]]
 name = "core-foundation-sys"
 version = "0.8.7"
@@ -784,7 +680,7 @@ checksum = "f46882e17999c6cc590af592290432be3bce0428cb0d5f8b6715e4dc7b383eb3"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.102",
+ "syn",
 ]
 
 [[package]]
@@ -808,7 +704,7 @@ dependencies = [
  "proc-macro2",
  "quote",
  "strsim",
- "syn 2.0.102",
+ "syn",
 ]
 
 [[package]]
@@ -819,7 +715,7 @@ checksum = "fc34b93ccb385b40dc71c6fceac4b2ad23662c7eeb248cf10d529b7e055b6ead"
 dependencies = [
  "darling_core",
  "quote",
- "syn 2.0.102",
+ "syn",
 ]
 
 [[package]]
@@ -867,7 +763,7 @@ checksum = "30542c1ad912e0e3d22a1935c290e12e8a29d704a420177a31faad4a601a0800"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.102",
+ "syn",
 ]
 
 [[package]]
@@ -888,7 +784,7 @@ dependencies = [
  "convert_case",
  "proc-macro2",
  "quote",
- "syn 2.0.102",
+ "syn",
  "unicode-xid",
 ]
 
@@ -913,7 +809,7 @@ dependencies = [
  "heck",
  "proc-macro2",
  "quote",
- "syn 2.0.102",
+ "syn",
 ]
 
 [[package]]
@@ -926,7 +822,7 @@ dependencies = [
  "dsl_auto_type",
  "proc-macro2",
  "quote",
- "syn 2.0.102",
+ "syn",
 ]
 
 [[package]]
@@ -935,7 +831,7 @@ version = "0.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "209c735641a413bc68c4923a9d6ad4bcb3ca306b794edaa7eb0b3228a99ffb25"
 dependencies = [
- "syn 2.0.102",
+ "syn",
 ]
 
 [[package]]
@@ -967,7 +863,7 @@ checksum = "97369cbbc041bc366949bc74d34658d6cda5621039731c6310521892a3a20ae0"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.102",
+ "syn",
 ]
 
 [[package]]
@@ -987,7 +883,7 @@ dependencies = [
  "heck",
  "proc-macro2",
  "quote",
- "syn 2.0.102",
+ "syn",
 ]
 
 [[package]]
@@ -1098,22 +994,6 @@ dependencies = [
  "winapi",
 ]
 
-[[package]]
-name = "firebase-messaging-rs"
-version = "0.8.10"
-source = "git+https://github.com/i10416/firebase-messaging-rs.git#f2cb78b0bda33a41962a1a2ed178fb9c5be59e6a"
-dependencies = [
- "async-trait",
- "chrono",
- "gcloud-sdk",
- "http 0.2.12",
- "hyper 0.14.32",
- "hyper-tls 0.5.0",
- "log",
- "serde",
- "serde_json",
-]
-
 [[package]]
 name = "flate2"
 version = "1.1.2"
@@ -1167,21 +1047,6 @@ version = "0.1.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "a06f77d526c1a601b7c4cdd98f54b5eaabffc14d5f2f0296febdc7f357c6d3ba"
 
-[[package]]
-name = "futures"
-version = "0.3.31"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "65bc07b1a8bc7c85c5f2e110c476c7389b4554ba72af57d8445ea63a576b0876"
-dependencies = [
- "futures-channel",
- "futures-core",
- "futures-executor",
- "futures-io",
- "futures-sink",
- "futures-task",
- "futures-util",
-]
-
 [[package]]
 name = "futures-channel"
 version = "0.3.31"
@@ -1198,17 +1063,6 @@ version = "0.3.31"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "05f29059c0c2090612e8d742178b0580d2dc940c837851ad723096f87af6663e"
 
-[[package]]
-name = "futures-executor"
-version = "0.3.31"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1e28d1d997f585e54aebc3f97d39e72338912123a67330d723fdbb564d646c9f"
-dependencies = [
- "futures-core",
- "futures-task",
- "futures-util",
-]
-
 [[package]]
 name = "futures-io"
 version = "0.3.31"
@@ -1223,7 +1077,7 @@ checksum = "162ee34ebcb7c64a8abebc059ce0fee27c2262618d7b60ed8faf72fef13c3650"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.102",
+ "syn",
 ]
 
 [[package]]
@@ -1244,7 +1098,6 @@ version = "0.3.31"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "9fa08315bb612088cc391249efdc3bc77536f16c91f6cf495e6fbe85b20a4a81"
 dependencies = [
- "futures-channel",
  "futures-core",
  "futures-io",
  "futures-macro",
@@ -1262,35 +1115,6 @@ version = "0.3.55"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "8f5f3913fa0bfe7ee1fd8248b6b9f42a5af4b9d65ec2dd2c3c26132b950ecfc2"
 
-[[package]]
-name = "gcloud-sdk"
-version = "0.25.8"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0775bfa745cdf7287ae9765a685a813b91049b6b6d5ca3de20a3d5d16a80d8b2"
-dependencies = [
- "async-trait",
- "bytes",
- "chrono",
- "futures",
- "hyper 1.6.0",
- "jsonwebtoken",
- "once_cell",
- "prost",
- "prost-types",
- "reqwest",
- "secret-vault-value",
- "serde",
- "serde_json",
- "serde_with",
- "tokio",
- "tonic",
- "tower 0.5.2",
- "tower-layer",
- "tower-util",
- "tracing",
- "url",
-]
-
 [[package]]
 name = "generic-array"
 version = "0.14.7"
@@ -1321,11 +1145,9 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "26145e563e54f2cadc477553f1ec5ee650b00862f0a58bcd12cbdc5f0ea2d2f4"
 dependencies = [
  "cfg-if",
- "js-sys",
  "libc",
  "r-efi",
  "wasi 0.14.2+wasi-0.2.4",
- "wasm-bindgen",
 ]
 
 [[package]]
@@ -1445,17 +1267,6 @@ dependencies = [
  "itoa",
 ]
 
-[[package]]
-name = "http-body"
-version = "0.4.6"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7ceab25649e9960c0311ea418d17bee82c0dcec1bd053b5f9a66e265a693bed2"
-dependencies = [
- "bytes",
- "http 0.2.12",
- "pin-project-lite",
-]
-
 [[package]]
 name = "http-body"
 version = "1.0.1"
@@ -1475,7 +1286,7 @@ dependencies = [
  "bytes",
  "futures-core",
  "http 1.3.1",
- "http-body 1.0.1",
+ "http-body",
  "pin-project-lite",
 ]
 
@@ -1500,29 +1311,6 @@ dependencies = [
  "typenum",
 ]
 
-[[package]]
-name = "hyper"
-version = "0.14.32"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "41dfc780fdec9373c01bae43289ea34c972e40ee3c9f6b3c8801a35f35586ce7"
-dependencies = [
- "bytes",
- "futures-channel",
- "futures-core",
- "futures-util",
- "http 0.2.12",
- "http-body 0.4.6",
- "httparse",
- "httpdate",
- "itoa",
- "pin-project-lite",
- "socket2 0.5.10",
- "tokio",
- "tower-service",
- "tracing",
- "want",
-]
-
 [[package]]
 name = "hyper"
 version = "1.6.0"
@@ -1534,9 +1322,8 @@ dependencies = [
  "futures-util",
  "h2 0.4.10",
  "http 1.3.1",
- "http-body 1.0.1",
+ "http-body",
  "httparse",
- "httpdate",
  "itoa",
  "pin-project-lite",
  "smallvec",
@@ -1551,42 +1338,15 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "e3c93eb611681b207e1fe55d5a71ecf91572ec8a6705cdb6857f7d8d5242cf58"
 dependencies = [
  "http 1.3.1",
- "hyper 1.6.0",
+ "hyper",
  "hyper-util",
  "rustls",
- "rustls-native-certs",
  "rustls-pki-types",
  "tokio",
  "tokio-rustls",
  "tower-service",
 ]
 
-[[package]]
-name = "hyper-timeout"
-version = "0.5.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2b90d566bffbce6a75bd8b09a05aa8c2cb1fabb6cb348f8840c9e4c90a0d83b0"
-dependencies = [
- "hyper 1.6.0",
- "hyper-util",
- "pin-project-lite",
- "tokio",
- "tower-service",
-]
-
-[[package]]
-name = "hyper-tls"
-version = "0.5.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d6183ddfa99b85da61a140bea0efc93fdf56ceaa041b37d553518030827f9905"
-dependencies = [
- "bytes",
- "hyper 0.14.32",
- "native-tls",
- "tokio",
- "tokio-native-tls",
-]
-
 [[package]]
 name = "hyper-tls"
 version = "0.6.0"
@@ -1595,7 +1355,7 @@ checksum = "70206fc6890eaca9fde8a0bf71caa2ddfc9fe045ac9e5c70df101a7dbde866e0"
 dependencies = [
  "bytes",
  "http-body-util",
- "hyper 1.6.0",
+ "hyper",
  "hyper-util",
  "native-tls",
  "tokio",
@@ -1615,8 +1375,8 @@ dependencies = [
  "futures-core",
  "futures-util",
  "http 1.3.1",
- "http-body 1.0.1",
- "hyper 1.6.0",
+ "http-body",
+ "hyper",
  "ipnet",
  "libc",
  "percent-encoding",
@@ -1836,15 +1596,6 @@ version = "1.70.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "7943c866cc5cd64cbc25b2e01621d07fa8eb2a1a23160ee81ce38704e97b8ecf"
 
-[[package]]
-name = "itertools"
-version = "0.14.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2b192c782037fadd9cfa75548310488aabdbf3d2da73885b31bd0abd03351285"
-dependencies = [
- "either",
-]
-
 [[package]]
 name = "itoa"
 version = "1.0.15"
@@ -1872,7 +1623,7 @@ checksum = "6c6e1db7ed32c6c71b759497fae34bf7933636f75a251b9e736555da426f6442"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.102",
+ "syn",
 ]
 
 [[package]]
@@ -1988,18 +1739,6 @@ version = "0.4.27"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "13dc2df351e3202783a1fe0d44375f7295ffb4049267b0f3018346dc122a1d94"
 
-[[package]]
-name = "lru-slab"
-version = "0.1.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "112b39cec0b298b6c1999fee3e31427f74f676e4cb9879ed1a121b43661a4154"
-
-[[package]]
-name = "matchit"
-version = "0.7.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0e7465ac9959cc2b1404e8e2367b43684a6d13790fe23056cc8c6c5a6b7bcb94"
-
 [[package]]
 name = "memchr"
 version = "2.7.5"
@@ -2012,16 +1751,6 @@ version = "0.3.17"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "6877bb514081ee2a7ff5ef9de3281f14a4dd4bceac4c09388074a6b5df8a139a"
 
-[[package]]
-name = "mime_guess"
-version = "2.0.5"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f7c44f8e672c00fe5308fa235f821cb4198414e1c77935c1ab6948d3fd78550e"
-dependencies = [
- "mime",
- "unicase",
-]
-
 [[package]]
 name = "miniz_oxide"
 version = "0.8.9"
@@ -2055,7 +1784,7 @@ dependencies = [
  "openssl-probe",
  "openssl-sys",
  "schannel",
- "security-framework 2.11.1",
+ "security-framework",
  "security-framework-sys",
  "tempfile",
 ]
@@ -2154,7 +1883,7 @@ checksum = "a948666b637a0f465e8564c73e89d4dde00d72d4d473cc972f390fc3dcee7d9c"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.102",
+ "syn",
 ]
 
 [[package]]
@@ -2235,46 +1964,6 @@ version = "2.3.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "e3148f5046208a5d56bcfc03053e3ca6334e51da8dfb19b6cdc8b306fae3283e"
 
-[[package]]
-name = "pin-project"
-version = "0.4.30"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3ef0f924a5ee7ea9cbcea77529dba45f8a9ba9f622419fe3386ca581a3ae9d5a"
-dependencies = [
- "pin-project-internal 0.4.30",
-]
-
-[[package]]
-name = "pin-project"
-version = "1.1.10"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "677f1add503faace112b9f1373e43e9e054bfdd22ff1a63c1bc485eaec6a6a8a"
-dependencies = [
- "pin-project-internal 1.1.10",
-]
-
-[[package]]
-name = "pin-project-internal"
-version = "0.4.30"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "851c8d0ce9bebe43790dedfc86614c23494ac9f423dd618d3a61fc693eafe61e"
-dependencies = [
- "proc-macro2",
- "quote",
- "syn 1.0.109",
-]
-
-[[package]]
-name = "pin-project-internal"
-version = "1.1.10"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6e918e4ff8c4549eb882f14b3a4bc8c8bc93de829416eacf579f1207a8fbf861"
-dependencies = [
- "proc-macro2",
- "quote",
- "syn 2.0.102",
-]
-
 [[package]]
 name = "pin-project-lite"
 version = "0.2.16"
@@ -2374,38 +2063,6 @@ dependencies = [
  "unicode-ident",
 ]
 
-[[package]]
-name = "prost"
-version = "0.13.5"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2796faa41db3ec313a31f7624d9286acf277b52de526150b7e69f3debf891ee5"
-dependencies = [
- "bytes",
- "prost-derive",
-]
-
-[[package]]
-name = "prost-derive"
-version = "0.13.5"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8a56d757972c98b346a9b766e3f02746cde6dd1cd1d1d563472929fdd74bec4d"
-dependencies = [
- "anyhow",
- "itertools",
- "proc-macro2",
- "quote",
- "syn 2.0.102",
-]
-
-[[package]]
-name = "prost-types"
-version = "0.13.5"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "52c2c1bf36ddb1a1c396b3601a3cec27c2462e45f07c386894ec3ccf5332bd16"
-dependencies = [
- "prost",
-]
-
 [[package]]
 name = "provider-engels-polytechnic"
 version = "0.1.0"
@@ -2451,61 +2108,6 @@ dependencies = [
  "memchr",
 ]
 
-[[package]]
-name = "quinn"
-version = "0.11.8"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "626214629cda6781b6dc1d316ba307189c85ba657213ce642d9c77670f8202c8"
-dependencies = [
- "bytes",
- "cfg_aliases",
- "pin-project-lite",
- "quinn-proto",
- "quinn-udp",
- "rustc-hash",
- "rustls",
- "socket2 0.5.10",
- "thiserror",
- "tokio",
- "tracing",
- "web-time",
-]
-
-[[package]]
-name = "quinn-proto"
-version = "0.11.12"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "49df843a9161c85bb8aae55f101bc0bac8bcafd637a620d9122fd7e0b2f7422e"
-dependencies = [
- "bytes",
- "getrandom 0.3.3",
- "lru-slab",
- "rand 0.9.1",
- "ring",
- "rustc-hash",
- "rustls",
- "rustls-pki-types",
- "slab",
- "thiserror",
- "tinyvec",
- "tracing",
- "web-time",
-]
-
-[[package]]
-name = "quinn-udp"
-version = "0.5.12"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ee4e529991f949c5e25755532370b8af5d114acae52326361d68d47af64aa842"
-dependencies = [
- "cfg_aliases",
- "libc",
- "once_cell",
- "socket2 0.5.10",
- "tracing",
- "windows-sys 0.59.0",
-]
-
 [[package]]
 name = "quote"
 version = "1.0.40"
@@ -2544,37 +2146,16 @@ dependencies = [
  "winapi",
 ]
 
-[[package]]
-name = "rand"
-version = "0.8.5"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "34af8d1a0e25924bc5b7c43c079c942339d8f0a8b57c39049bef581b46327404"
-dependencies = [
- "libc",
- "rand_chacha 0.3.1",
- "rand_core 0.6.4",
-]
-
 [[package]]
 name = "rand"
 version = "0.9.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "9fbfd9d094a40bf3ae768db9361049ace4c0e04a4fd6b359518bd7b73a73dd97"
 dependencies = [
- "rand_chacha 0.9.0",
+ "rand_chacha",
  "rand_core 0.9.3",
 ]
 
-[[package]]
-name = "rand_chacha"
-version = "0.3.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e6c10a63a0fa32252be49d21e7709d4d4baf8d231c2dbce1eaa8141b9b127d88"
-dependencies = [
- "ppv-lite86",
- "rand_core 0.6.4",
-]
-
 [[package]]
 name = "rand_chacha"
 version = "0.9.0"
@@ -2677,7 +2258,6 @@ version = "0.12.23"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "d429f34c8092b2d42c7c93cec323bb4adeb7c67698f70839adec842ec10c7ceb"
 dependencies = [
- "async-compression",
  "base64",
  "bytes",
  "encoding_rs",
@@ -2686,22 +2266,18 @@ dependencies = [
  "futures-util",
  "h2 0.4.10",
  "http 1.3.1",
- "http-body 1.0.1",
+ "http-body",
  "http-body-util",
- "hyper 1.6.0",
+ "hyper",
  "hyper-rustls",
- "hyper-tls 0.6.0",
+ "hyper-tls",
  "hyper-util",
  "js-sys",
  "log",
  "mime",
- "mime_guess",
  "native-tls",
  "percent-encoding",
  "pin-project-lite",
- "quinn",
- "rustls",
- "rustls-native-certs",
  "rustls-pki-types",
  "serde",
  "serde_json",
@@ -2709,15 +2285,12 @@ dependencies = [
  "sync_wrapper",
  "tokio",
  "tokio-native-tls",
- "tokio-rustls",
- "tokio-util",
- "tower 0.5.2",
+ "tower",
  "tower-http",
  "tower-service",
  "url",
  "wasm-bindgen",
  "wasm-bindgen-futures",
- "wasm-streams",
  "web-sys",
 ]
 
@@ -2754,12 +2327,6 @@ version = "0.1.25"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "989e6739f80c4ad5b13e0fd7fe89531180375b18520cc8c82080e4dc4035b84f"
 
-[[package]]
-name = "rustc-hash"
-version = "2.1.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "357703d41365b4b27c590e3ed91eabb1b663f07c4c084095e60cbed4362dff0d"
-
 [[package]]
 name = "rustc-serialize"
 version = "0.3.25"
@@ -2803,18 +2370,6 @@ dependencies = [
  "zeroize",
 ]
 
-[[package]]
-name = "rustls-native-certs"
-version = "0.8.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7fcff2dd52b58a8d98a70243663a0d234c4e2b79235637849d15913394a247d3"
-dependencies = [
- "openssl-probe",
- "rustls-pki-types",
- "schannel",
- "security-framework 3.2.0",
-]
-
 [[package]]
 name = "rustls-pemfile"
 version = "2.2.0"
@@ -2830,7 +2385,6 @@ version = "1.12.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "229a4a4c221013e7e1f1a043678c5cc39fe5171437c88fb47151a21e6f5b5c79"
 dependencies = [
- "web-time",
  "zeroize",
 ]
 
@@ -2882,7 +2436,6 @@ dependencies = [
  "dotenvy",
  "ed25519-dalek",
  "env_logger",
- "firebase-messaging-rs",
  "futures-util",
  "hex-literal",
  "jsonwebtoken",
@@ -2912,19 +2465,6 @@ version = "1.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "94143f37725109f92c262ed2cf5e59bce7498c01bcc1502d7b9afe439a4e9f49"
 
-[[package]]
-name = "secret-vault-value"
-version = "0.3.9"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bc32a777b53b3433b974c9c26b6d502a50037f8da94e46cb8ce2ced2cfdfaea0"
-dependencies = [
- "prost",
- "prost-types",
- "serde",
- "serde_json",
- "zeroize",
-]
-
 [[package]]
 name = "security-framework"
 version = "2.11.1"
@@ -2932,20 +2472,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "897b2245f0b511c87893af39b033e5ca9cce68824c4d7e7630b5a1d339658d02"
 dependencies = [
  "bitflags",
- "core-foundation 0.9.4",
- "core-foundation-sys",
- "libc",
- "security-framework-sys",
-]
-
-[[package]]
-name = "security-framework"
-version = "3.2.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "271720403f46ca04f7ba6f55d438f8bd878d6b8ca0a1046e8228c4145bcbb316"
-dependencies = [
- "bitflags",
- "core-foundation 0.10.1",
+ "core-foundation",
  "core-foundation-sys",
  "libc",
  "security-framework-sys",
@@ -3105,7 +2632,7 @@ checksum = "5b0276cf7f2c73365f7157c8123c21cd9a50fbbd844757af28ca1f5925fc2a00"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.102",
+ "syn",
 ]
 
 [[package]]
@@ -3128,7 +2655,7 @@ checksum = "175ee3e80ae9982737ca543e96133087cbd9a485eecc3bc4de9c1a37b47ea59c"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.102",
+ "syn",
 ]
 
 [[package]]
@@ -3179,7 +2706,7 @@ dependencies = [
  "darling",
  "proc-macro2",
  "quote",
- "syn 2.0.102",
+ "syn",
 ]
 
 [[package]]
@@ -3320,17 +2847,6 @@ version = "2.6.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "13c2bddecc57b384dee18652358fb23172facb8a2c51ccc10d74c157bdea3292"
 
-[[package]]
-name = "syn"
-version = "1.0.109"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "72b64191b275b66ffe2469e8af2c1cfe3bafa67b529ead792a6d0160888b4237"
-dependencies = [
- "proc-macro2",
- "quote",
- "unicode-ident",
-]
-
 [[package]]
 name = "syn"
 version = "2.0.102"
@@ -3359,7 +2875,7 @@ checksum = "728a70f3dbaf5bab7f0c4b1ac8d7ae5ea60a4b5549c8a5914361c99147a709d2"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.102",
+ "syn",
 ]
 
 [[package]]
@@ -3369,7 +2885,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "3c879d448e9d986b661742763247d3693ed13609438cf3d006f51f5368a5ba6b"
 dependencies = [
  "bitflags",
- "core-foundation 0.9.4",
+ "core-foundation",
  "system-configuration-sys",
 ]
 
@@ -3413,7 +2929,7 @@ checksum = "7f7cf42b4507d8ea322120659672cf1b9dbb93f8f2d4ecfd6e51350ff5b17a1d"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.102",
+ "syn",
 ]
 
 [[package]]
@@ -3468,21 +2984,6 @@ dependencies = [
  "zerovec",
 ]
 
-[[package]]
-name = "tinyvec"
-version = "1.9.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "09b3661f17e86524eccd4371ab0429194e0d7c008abb45f7a7495b1719463c71"
-dependencies = [
- "tinyvec_macros",
-]
-
-[[package]]
-name = "tinyvec_macros"
-version = "0.1.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1f3ccbac311fea05f86f61904b462b55fb3df8837a366dfc601a0161d0532f20"
-
 [[package]]
 name = "tokio"
 version = "1.47.1"
@@ -3511,7 +3012,7 @@ checksum = "6e06d43f1345a3bcd39f6a56dbb7dcab2ba47e68e8ac134855e7e2bdbaf8cab8"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.102",
+ "syn",
 ]
 
 [[package]]
@@ -3534,17 +3035,6 @@ dependencies = [
  "tokio",
 ]
 
-[[package]]
-name = "tokio-stream"
-version = "0.1.17"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "eca58d7bba4a75707817a2c44174253f9236b2d5fbd055602e9d5c07c139a047"
-dependencies = [
- "futures-core",
- "pin-project-lite",
- "tokio",
-]
-
 [[package]]
 name = "tokio-util"
 version = "0.7.16"
@@ -3599,59 +3089,6 @@ version = "0.1.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "5d99f8c9a7727884afe522e9bd5edbfc91a3312b36a77b5fb8926e4c31a41801"
 
-[[package]]
-name = "tonic"
-version = "0.12.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "877c5b330756d856ffcc4553ab34a5684481ade925ecc54bcd1bf02b1d0d4d52"
-dependencies = [
- "async-stream",
- "async-trait",
- "axum",
- "base64",
- "bytes",
- "h2 0.4.10",
- "http 1.3.1",
- "http-body 1.0.1",
- "http-body-util",
- "hyper 1.6.0",
- "hyper-timeout",
- "hyper-util",
- "percent-encoding",
- "pin-project 1.1.10",
- "prost",
- "rustls-native-certs",
- "rustls-pemfile",
- "socket2 0.5.10",
- "tokio",
- "tokio-rustls",
- "tokio-stream",
- "tower 0.4.13",
- "tower-layer",
- "tower-service",
- "tracing",
-]
-
-[[package]]
-name = "tower"
-version = "0.4.13"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b8fa9be0de6cf49e536ce1851f987bd21a43b771b09473c3549a6c853db37c1c"
-dependencies = [
- "futures-core",
- "futures-util",
- "indexmap 1.9.3",
- "pin-project 1.1.10",
- "pin-project-lite",
- "rand 0.8.5",
- "slab",
- "tokio",
- "tokio-util",
- "tower-layer",
- "tower-service",
- "tracing",
-]
-
 [[package]]
 name = "tower"
 version = "0.5.2"
@@ -3677,10 +3114,10 @@ dependencies = [
  "bytes",
  "futures-util",
  "http 1.3.1",
- "http-body 1.0.1",
+ "http-body",
  "iri-string",
  "pin-project-lite",
- "tower 0.5.2",
+ "tower",
  "tower-layer",
  "tower-service",
 ]
@@ -3697,18 +3134,6 @@ version = "0.3.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "8df9b6e13f2d32c91b9bd719c00d1958837bc7dec474d94952798cc8e69eeec3"
 
-[[package]]
-name = "tower-util"
-version = "0.3.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d1093c19826d33807c72511e68f73b4a0469a3f22c2bd5f7d5212178b4b89674"
-dependencies = [
- "futures-core",
- "futures-util",
- "pin-project 0.4.30",
- "tower-service",
-]
-
 [[package]]
 name = "tracing"
 version = "0.1.41"
@@ -3729,7 +3154,7 @@ checksum = "1b1ffbcf9c6f6b99d386e7444eb608ba646ae452a36b39737deb9663b610f662"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.102",
+ "syn",
 ]
 
 [[package]]
@@ -3786,12 +3211,6 @@ dependencies = [
  "libc",
 ]
 
-[[package]]
-name = "unicase"
-version = "2.8.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "75b844d17643ee918803943289730bec8aac480150456169e647ed0b576ba539"
-
 [[package]]
 name = "unicode-ident"
 version = "1.0.18"
@@ -3928,7 +3347,7 @@ dependencies = [
  "proc-macro2",
  "quote",
  "regex",
- "syn 2.0.102",
+ "syn",
 ]
 
 [[package]]
@@ -4025,7 +3444,7 @@ dependencies = [
  "log",
  "proc-macro2",
  "quote",
- "syn 2.0.102",
+ "syn",
  "wasm-bindgen-shared",
 ]
 
@@ -4060,7 +3479,7 @@ checksum = "8ae87ea40c9f689fc23f209965b6fb8a99ad69aeeb0231408be24920604395de"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.102",
+ "syn",
  "wasm-bindgen-backend",
  "wasm-bindgen-shared",
 ]
@@ -4074,19 +3493,6 @@ dependencies = [
  "unicode-ident",
 ]
 
-[[package]]
-name = "wasm-streams"
-version = "0.4.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "15053d8d85c7eccdbefef60f06769760a563c7f0a9d6902a13d35c7800b0ad65"
-dependencies = [
- "futures-util",
- "js-sys",
- "wasm-bindgen",
- "wasm-bindgen-futures",
- "web-sys",
-]
-
 [[package]]
 name = "web-sys"
 version = "0.3.77"
@@ -4097,16 +3503,6 @@ dependencies = [
  "wasm-bindgen",
 ]
 
-[[package]]
-name = "web-time"
-version = "1.1.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5a6580f308b1fad9207618087a65c04e7a10bc77e02c8e84e9b00dd4b12fa0bb"
-dependencies = [
- "js-sys",
- "wasm-bindgen",
-]
-
 [[package]]
 name = "webpki-root-certs"
 version = "1.0.2"
@@ -4177,7 +3573,7 @@ checksum = "a47fddd13af08290e67f4acabf4b459f647552718f683a7b415d290ac744a836"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.102",
+ "syn",
 ]
 
 [[package]]
@@ -4188,7 +3584,7 @@ checksum = "bd9211b69f8dcdfa817bfd14bf1c97c9188afa36f4750130fcdf3f400eca9fa8"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.102",
+ "syn",
 ]
 
 [[package]]
@@ -4361,7 +3757,7 @@ checksum = "38da3c9736e16c5d3c8c597a9aaa5d1fa565d0532ae05e27c24aa62fb32c0ab6"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.102",
+ "syn",
  "synstructure",
 ]
 
@@ -4382,7 +3778,7 @@ checksum = "28a6e20d751156648aa063f3800b706ee209a32c0b4d9f24be3d980b01be55ef"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.102",
+ "syn",
 ]
 
 [[package]]
@@ -4402,7 +3798,7 @@ checksum = "d71e5d6e06ab090c67b5e44993ec16b72dcbaabc526db883a360057678b48502"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.102",
+ "syn",
  "synstructure",
 ]
 
@@ -4411,20 +3807,6 @@ name = "zeroize"
 version = "1.8.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ced3678a2879b30306d323f4542626697a464a97c0a07c9aebf7ebca65cd4dde"
-dependencies = [
- "zeroize_derive",
-]
-
-[[package]]
-name = "zeroize_derive"
-version = "1.4.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ce36e65b0d2999d2aafac989fb249189a141aee1f53c612c1f37d72631959f69"
-dependencies = [
- "proc-macro2",
- "quote",
- "syn 2.0.102",
-]
 
 [[package]]
 name = "zerotrie"
@@ -4456,7 +3838,7 @@ checksum = "5b96237efa0c878c64bd89c436f661be4e46b2f3eff1ebb976f7ef2321d2f58f"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.102",
+ "syn",
 ]
 
 [[package]]
diff --git a/Cargo.toml b/Cargo.toml
index 9499084..96a77a1 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -29,9 +29,6 @@ diesel-derive-enum = { git = "https://github.com/Havunen/diesel-derive-enum.git"
 # logging
 env_logger = "0.11.7"
 
-# TODO: remove support for android app and fcm?
-firebase-messaging-rs = { git = "https://github.com/i10416/firebase-messaging-rs.git" }
-
 # async
 tokio = { version = "1.44.1", features = ["macros", "rt-multi-thread"] }
 tokio-util = "0.7.16"
diff --git a/src/database/driver.rs b/src/database/driver.rs
index ac83d69..0c15458 100644
--- a/src/database/driver.rs
+++ b/src/database/driver.rs
@@ -4,7 +4,7 @@ pub mod users {
     use crate::database::schema::users::dsl::*;
     use crate::state::AppState;
     use actix_web::web;
-    use diesel::{ExpressionMethods, QueryResult, insert_into};
+    use diesel::{insert_into, ExpressionMethods, QueryResult};
     use diesel::{QueryDsl, RunQueryDsl};
     use diesel::{SaveChangesDsl, SelectableHelper};
     use std::ops::DerefMut;
@@ -146,19 +146,3 @@ pub mod users {
             .execute(state.get_database().await.deref_mut())
     }
 }
-
-pub mod fcm {
-    use crate::database::models::{FCM, User};
-    use crate::state::AppState;
-    use actix_web::web;
-    use diesel::QueryDsl;
-    use diesel::RunQueryDsl;
-    use diesel::{BelongingToDsl, QueryResult, SelectableHelper};
-    use std::ops::DerefMut;
-
-    pub async fn from_user(state: &web::Data<AppState>, user: &User) -> QueryResult<FCM> {
-        FCM::belonging_to(&user)
-            .select(FCM::as_select())
-            .get_result(state.get_database().await.deref_mut())
-    }
-}
diff --git a/src/extractors/authorized_user.rs b/src/extractors/authorized_user.rs
index 24567e4..9179cc4 100644
--- a/src/extractors/authorized_user.rs
+++ b/src/extractors/authorized_user.rs
@@ -1,13 +1,13 @@
 use crate::database::driver;
-use crate::database::models::{User, FCM};
-use crate::extractors::base::{AsyncExtractor, FromRequestAsync};
+use crate::database::models::User;
+use crate::extractors::base::FromRequestAsync;
 use crate::state::AppState;
 use crate::utility::jwt;
 use actix_macros::MiddlewareError;
 use actix_web::body::BoxBody;
 use actix_web::dev::Payload;
 use actix_web::http::header;
-use actix_web::{web, FromRequest, HttpRequest};
+use actix_web::{web, HttpRequest};
 use derive_more::Display;
 use serde::{Deserialize, Serialize};
 use std::fmt::Debug;
@@ -95,48 +95,3 @@ impl FromRequestAsync for User {
             .map_err(|_| Error::NoUser.into())
     }
 }
-
-pub struct UserExtractor<const FCM: bool> {
-    user: User,
-
-    fcm: Option<FCM>,
-}
-
-impl<const FCM: bool> UserExtractor<{ FCM }> {
-    pub fn user(&self) -> &User {
-        &self.user
-    }
-
-    pub fn fcm(&self) -> &Option<FCM> {
-        if !FCM {
-            panic!("FCM marked as not required, but it has been requested")
-        }
-
-        &self.fcm
-    }
-}
-
-/// Extractor of user and additional parameters from request with Bearer token.
-impl<const FCM: bool> FromRequestAsync for UserExtractor<{ FCM }> {
-    type Error = actix_web::Error;
-
-    async fn from_request_async(
-        req: &HttpRequest,
-        payload: &mut Payload,
-    ) -> Result<Self, Self::Error> {
-        let user = AsyncExtractor::<User>::from_request(req, payload)
-            .await?
-            .into_inner();
-
-        let app_state = req.app_data::<web::Data<AppState>>().unwrap();
-
-        Ok(Self {
-            fcm: if FCM {
-                driver::fcm::from_user(&app_state, &user).await.ok()
-            } else {
-                None
-            },
-            user,
-        })
-    }
-}
diff --git a/src/main.rs b/src/main.rs
index 1b11485..345b239 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -1,13 +1,13 @@
 use crate::middlewares::authorization::JWTAuthorization;
 use crate::middlewares::content_type::ContentTypeBootstrap;
-use crate::state::{AppState, new_app_state};
+use crate::state::{new_app_state, AppState};
 use actix_web::dev::{ServiceFactory, ServiceRequest};
 use actix_web::{App, Error, HttpServer};
 use dotenvy::dotenv;
 use log::info;
 use std::io;
-use utoipa_actix_web::AppExt;
 use utoipa_actix_web::scope::Scope;
+use utoipa_actix_web::AppExt;
 use utoipa_rapidoc::RapiDoc;
 
 mod state;
@@ -51,11 +51,6 @@ pub fn get_api_scope<
         .service(routes::schedule::teacher)
         .service(routes::schedule::teacher_names);
 
-    let fcm_scope = utoipa_actix_web::scope("/fcm")
-        .wrap(JWTAuthorization::default())
-        .service(routes::fcm::update_callback)
-        .service(routes::fcm::set_token);
-
     let flow_scope = utoipa_actix_web::scope("/flow")
         .wrap(JWTAuthorization {
             ignore: &["/telegram-auth"],
@@ -70,7 +65,6 @@ pub fn get_api_scope<
         .service(auth_scope)
         .service(users_scope)
         .service(schedule_scope)
-        .service(fcm_scope)
         .service(flow_scope)
         .service(vk_id_scope)
 }
diff --git a/src/routes/fcm/mod.rs b/src/routes/fcm/mod.rs
deleted file mode 100644
index ac643d7..0000000
--- a/src/routes/fcm/mod.rs
+++ /dev/null
@@ -1,5 +0,0 @@
-mod set_token;
-mod update_callback;
-
-pub use set_token::*;
-pub use update_callback::*;
diff --git a/src/routes/fcm/set_token.rs b/src/routes/fcm/set_token.rs
deleted file mode 100644
index e01bab7..0000000
--- a/src/routes/fcm/set_token.rs
+++ /dev/null
@@ -1,94 +0,0 @@
-use crate::database;
-use crate::database::models::FCM;
-use crate::extractors::authorized_user::UserExtractor;
-use crate::extractors::base::AsyncExtractor;
-use crate::state::AppState;
-use actix_web::{HttpResponse, Responder, patch, web};
-use diesel::{RunQueryDsl, SaveChangesDsl};
-use firebase_messaging_rs::topic::TopicManagementSupport;
-use serde::Deserialize;
-use std::ops::DerefMut;
-
-#[derive(Debug, Deserialize)]
-struct Params {
-    pub token: String,
-}
-
-async fn get_fcm(
-    app_state: &web::Data<AppState>,
-    user_data: &UserExtractor<true>,
-    token: String,
-) -> Result<FCM, diesel::result::Error> {
-    match user_data.fcm() {
-        Some(fcm) => {
-            let mut fcm = fcm.clone();
-            fcm.token = token;
-
-            Ok(fcm)
-        }
-        None => {
-            let fcm = FCM {
-                user_id: user_data.user().id.clone(),
-                token,
-                topics: vec![],
-            };
-
-            match diesel::insert_into(database::schema::fcm::table)
-                .values(&fcm)
-                .execute(app_state.get_database().await.deref_mut())
-            {
-                Ok(_) => Ok(fcm),
-                Err(e) => Err(e),
-            }
-        }
-    }
-}
-
-#[utoipa::path(responses((status = OK)))]
-#[patch("/set-token")]
-pub async fn set_token(
-    app_state: web::Data<AppState>,
-    web::Query(params): web::Query<Params>,
-    user_data: AsyncExtractor<UserExtractor<true>>,
-) -> impl Responder {
-    let user_data = user_data.into_inner();
-
-    // If token not changes - exit.
-    if let Some(fcm) = user_data.fcm() {
-        if fcm.token == params.token {
-            return HttpResponse::Ok();
-        }
-    }
-
-    let fcm = get_fcm(&app_state, &user_data, params.token.clone()).await;
-    if let Err(e) = fcm {
-        eprintln!("Failed to get FCM: {e}");
-        return HttpResponse::Ok();
-    }
-
-    let mut fcm = fcm.ok().unwrap();
-
-    // Add default topics.
-    if !fcm.topics.contains(&Some("common".to_string())) {
-        fcm.topics.push(Some("common".to_string()));
-    }
-
-    fcm.save_changes::<FCM>(app_state.get_database().await.deref_mut())
-        .unwrap();
-
-    let fcm_client = app_state.get_fcm_client().await.unwrap();
-
-    for topic in fcm.topics.clone() {
-        if let Some(topic) = topic {
-            if let Err(error) = fcm_client
-                .register_token_to_topic(&*topic, &*fcm.token)
-                .await
-            {
-                eprintln!("Failed to subscribe token to topic: {:?}", error);
-                return HttpResponse::Ok();
-            }
-        }
-    }
-
-    HttpResponse::Ok()
-}
diff --git a/src/routes/fcm/update_callback.rs b/src/routes/fcm/update_callback.rs
deleted file mode 100644
index 6dad89b..0000000
--- a/src/routes/fcm/update_callback.rs
+++ /dev/null
@@ -1,24 +0,0 @@
-use crate::database::driver::users::UserSave;
-use crate::database::models::User;
-use crate::extractors::base::AsyncExtractor;
-use crate::state::AppState;
-use actix_web::{HttpResponse, Responder, post, web};
-
-#[utoipa::path(responses(
-    (status = OK),
-    (status = INTERNAL_SERVER_ERROR)
-))]
-#[post("/update-callback/{version}")]
-async fn update_callback(
-    app_state: web::Data<AppState>,
-    version: web::Path<String>,
-    user: AsyncExtractor<User>,
-) -> impl Responder {
-    let mut user = user.into_inner();
-
-    user.android_version = Some(version.into_inner());
-
-    user.save(&app_state).await.unwrap();
-
-    HttpResponse::Ok()
-}
diff --git a/src/routes/mod.rs b/src/routes/mod.rs
index 497b6a7..75bf547 100644
--- a/src/routes/mod.rs
+++ b/src/routes/mod.rs
@@ -1,5 +1,4 @@
 pub mod auth;
-pub mod fcm;
 pub mod flow;
 pub mod schedule;
 mod schema;
diff --git a/src/routes/schema.rs b/src/routes/schema.rs
index f6b4a7e..9998cfb 100644
--- a/src/routes/schema.rs
+++ b/src/routes/schema.rs
@@ -131,7 +131,7 @@ pub mod user {
     use serde::Serialize;
 
     //noinspection SpellCheckingInspection
-    /// Используется для скрытия чувствительных полей, таких как хеш пароля или FCM
+    /// Используется для скрытия чувствительных полей, таких как хеш пароля
     #[derive(Serialize, utoipa::ToSchema, ResponderJson, OkResponse)]
     #[serde(rename_all = "camelCase")]
     pub struct UserResponse {
diff --git a/src/state/fcm_client.rs b/src/state/fcm_client.rs
deleted file mode 100644
index 31f2bf9..0000000
--- a/src/state/fcm_client.rs
+++ /dev/null
@@ -1,15 +0,0 @@
-use firebase_messaging_rs::FCMClient;
-use std::env;
-use tokio::sync::Mutex;
-
-#[derive(Clone)]
-pub struct FCMClientData;
-
-impl FCMClientData {
-    pub async fn new() -> Option<Mutex<FCMClient>> {
-        match env::var("GOOGLE_APPLICATION_CREDENTIALS") {
-            Ok(_) => Some(Mutex::new(FCMClient::new().await.unwrap())),
-            Err(_) => None,
-        }
-    }
-}
diff --git a/src/state/mod.rs b/src/state/mod.rs
index 8892685..cc67033 100644
--- a/src/state/mod.rs
+++ b/src/state/mod.rs
@@ -1,11 +1,8 @@
 mod env;
-mod fcm_client;
 
 pub use crate::state::env::AppEnv;
-use crate::state::fcm_client::FCMClientData;
 use actix_web::web;
 use diesel::{Connection, PgConnection};
-use firebase_messaging_rs::FCMClient;
 use providers::base::{ScheduleProvider, ScheduleSnapshot};
 use std::collections::HashMap;
 use std::sync::Arc;
@@ -18,7 +15,6 @@ pub struct AppState {
     database: Mutex<PgConnection>,
     providers: HashMap<String, Arc<dyn ScheduleProvider>>,
     env: AppEnv,
-    fcm_client: Option<Mutex<FCMClient>>,
 }
 
 impl AppState {
@@ -62,7 +58,6 @@ impl AppState {
             ),
             env,
             providers,
-            fcm_client: FCMClientData::new().await,
         };
 
         if this.env.schedule.auto_update {
@@ -92,13 +87,6 @@ impl AppState {
     pub fn get_env(&self) -> &AppEnv {
         &self.env
     }
-
-    pub async fn get_fcm_client(&'_ self) -> Option<MutexGuard<'_, FCMClient>> {
-        match &self.fcm_client {
-            Some(client) => Some(client.lock().await),
-            None => None,
-        }
-    }
 }
 
 /// Create a new object web::Data<AppState>.