diff --git a/pkgs/development/compilers/flutter/versions/3_27/data.json b/pkgs/development/compilers/flutter/versions/3_27/data.json
deleted file mode 100644
index c6361eb21b06..000000000000
--- a/pkgs/development/compilers/flutter/versions/3_27/data.json
+++ /dev/null
@@ -1,1056 +0,0 @@
-{
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-    },
-    "x86_64-linux": {
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-      "x86_64-linux": "sha256-PDSA0B/6mZTLC5gRlR8F6+p8V5dKmM7OALjehrPlQ1g="
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-  },
-  "flutterHash": "sha256-OvWmEvrkXrGGda3vVVuMo90pZeZcWOzJUztL5qW5Foc=",
-  "artifactHashes": {
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-      "x86_64-linux": "sha256-eu0BERdz53CkSexbpu3KA7O6Q4g0s9SGD3t1Snsk3Fk="
-    },
-    "ios": {
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-      "x86_64-linux": "sha256-h0HdJl3Ptu/zNVMkg6oM/dtGC++KBjiUXhieJwhUUZk="
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-        "description": {
-          "name": "term_glyph",
-          "sha256": "a29248a84fbb7c79282b40b8c72a1209db169a2e0542bce341da992fe1bc7e84",
-          "url": "https://pub.dev"
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-        "version": "1.2.1"
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-        "description": {
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-          "sha256": "713a8789d62f3233c46b4a90b174737b2c04cb6ae4500f2aa8b1be8f03f5e67f",
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-          "url": "https://pub.dev"
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-        "version": "0.7.3"
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-          "sha256": "12391302411737c176b0b5d6491f466b0dd56d4763e347b6714efbaa74d7953d",
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-        "description": {
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-          "sha256": "facc8d6582f16042dd49f2463ff1bd6e2c9ef9f3d5da3d9b087e244a7b564b3c",
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-          "sha256": "0bdbde65a6e710343d02a56552eeaefd20b735e04bfb6b3ee025b6b22e8d0e15",
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-          "sha256": "f6be3ed8bd01289b34d679c2b62226f63c0e69f9fd2e50a6b3c1c729a961041b",
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-          "sha256": "5a79b9fbb6be2555090f55b03b23907e75d44c3fd7bdd88da09848aa5a1914c8",
-          "url": "https://pub.dev"
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-          "sha256": "3d2ad6751b3c16cf07c7fca317a1413b3f26530319181b37e3b9039b84fc01d8",
-          "url": "https://pub.dev"
-        },
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-        "description": {
-          "name": "web",
-          "sha256": "cd3543bd5798f6ad290ea73d210f423502e71900302dde696f8bff84bf89a1cb",
-          "url": "https://pub.dev"
-        },
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-        "version": "1.1.0"
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-        "description": {
-          "name": "web_socket",
-          "sha256": "3c12d96c0c9a4eec095246debcea7b86c0324f22df69893d538fcc6f1b8cce83",
-          "url": "https://pub.dev"
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-        "version": "0.1.6"
-      },
-      "web_socket_channel": {
-        "dependency": "direct main",
-        "description": {
-          "name": "web_socket_channel",
-          "sha256": "9f187088ed104edd8662ca07af4b124465893caf063ba29758f97af57e61da8f",
-          "url": "https://pub.dev"
-        },
-        "source": "hosted",
-        "version": "3.0.1"
-      },
-      "webdriver": {
-        "dependency": "direct main",
-        "description": {
-          "name": "webdriver",
-          "sha256": "3d773670966f02a646319410766d3b5e1037efb7f07cc68f844d5e06cd4d61c8",
-          "url": "https://pub.dev"
-        },
-        "source": "hosted",
-        "version": "3.0.4"
-      },
-      "webkit_inspection_protocol": {
-        "dependency": "direct main",
-        "description": {
-          "name": "webkit_inspection_protocol",
-          "sha256": "87d3f2333bb240704cd3f1c6b5b7acd8a10e7f0bc28c28dcf14e782014f4a572",
-          "url": "https://pub.dev"
-        },
-        "source": "hosted",
-        "version": "1.2.1"
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-      "xml": {
-        "dependency": "direct main",
-        "description": {
-          "name": "xml",
-          "sha256": "b015a8ad1c488f66851d762d3090a21c600e479dc75e68328c52774040cf9226",
-          "url": "https://pub.dev"
-        },
-        "source": "hosted",
-        "version": "6.5.0"
-      },
-      "yaml": {
-        "dependency": "direct main",
-        "description": {
-          "name": "yaml",
-          "sha256": "75769501ea3489fca56601ff33454fe45507ea3bfb014161abc3b43ae25989d5",
-          "url": "https://pub.dev"
-        },
-        "source": "hosted",
-        "version": "3.1.2"
-      },
-      "yaml_edit": {
-        "dependency": "direct main",
-        "description": {
-          "name": "yaml_edit",
-          "sha256": "e9c1a3543d2da0db3e90270dbb1e4eebc985ee5e3ffe468d83224472b2194a5f",
-          "url": "https://pub.dev"
-        },
-        "source": "hosted",
-        "version": "2.2.1"
-      }
-    },
-    "sdks": {
-      "dart": ">=3.4.3 <4.0.0"
-    }
-  }
-}
diff --git a/pkgs/development/compilers/flutter/versions/3_27/patches/deregister-pub-dependencies-artifact.patch b/pkgs/development/compilers/flutter/versions/3_27/patches/deregister-pub-dependencies-artifact.patch
deleted file mode 100644
index 01e34c6d292c..000000000000
--- a/pkgs/development/compilers/flutter/versions/3_27/patches/deregister-pub-dependencies-artifact.patch
+++ /dev/null
@@ -1,19 +0,0 @@
-diff --git a/packages/flutter_tools/lib/src/flutter_cache.dart b/packages/flutter_tools/lib/src/flutter_cache.dart
-index 252021cf78..e50ef0885d 100644
---- a/packages/flutter_tools/lib/src/flutter_cache.dart
-+++ b/packages/flutter_tools/lib/src/flutter_cache.dart
-@@ -51,14 +51,6 @@ class FlutterCache extends Cache {
-       registerArtifact(IosUsbArtifacts(artifactName, this, platform: platform));
-     }
-     registerArtifact(FontSubsetArtifacts(this, platform: platform));
--    registerArtifact(PubDependencies(
--      logger: logger,
--      // flutter root and pub must be lazily initialized to avoid accessing
--      // before the version is determined.
--      flutterRoot: () => Cache.flutterRoot!,
--      pub: () => pub,
--      projectFactory: projectFactory,
--    ));
-   }
- }
- 
\ No newline at end of file
diff --git a/pkgs/development/compilers/flutter/versions/3_27/patches/disable-auto-update.patch b/pkgs/development/compilers/flutter/versions/3_27/patches/disable-auto-update.patch
deleted file mode 100644
index 2ad292efd222..000000000000
--- a/pkgs/development/compilers/flutter/versions/3_27/patches/disable-auto-update.patch
+++ /dev/null
@@ -1,30 +0,0 @@
-diff --git a/packages/flutter_tools/lib/src/runner/flutter_command.dart b/packages/flutter_tools/lib/src/runner/flutter_command.dart
-index e4e474ab6e..5548599802 100644
---- a/packages/flutter_tools/lib/src/runner/flutter_command.dart
-+++ b/packages/flutter_tools/lib/src/runner/flutter_command.dart
-@@ -1693,7 +1693,7 @@ Run 'flutter -h' (or 'flutter <command> -h') for available flutter commands and
- 
-     // Populate the cache. We call this before pub get below so that the
-     // sky_engine package is available in the flutter cache for pub to find.
--    if (shouldUpdateCache) {
-+    if (false) {
-       // First always update universal artifacts, as some of these (e.g.
-       // ios-deploy on macOS) are required to determine `requiredArtifacts`.
-       final bool offline;
-diff --git a/packages/flutter_tools/lib/src/runner/flutter_command_runner.dart b/packages/flutter_tools/lib/src/runner/flutter_command_runner.dart
-index 50783f8435..db94062840 100644
---- a/packages/flutter_tools/lib/src/runner/flutter_command_runner.dart
-+++ b/packages/flutter_tools/lib/src/runner/flutter_command_runner.dart
-@@ -377,11 +377,7 @@ class FlutterCommandRunner extends CommandRunner<void> {
-           globals.analytics.suppressTelemetry();
-         }
- 
--        globals.flutterVersion.ensureVersionFile();
-         final bool machineFlag = topLevelResults[FlutterGlobalOptions.kMachineFlag] as bool? ?? false;
--        if (await _shouldCheckForUpdates(topLevelResults, topLevelMachineFlag: machineFlag)) {
--          await globals.flutterVersion.checkFlutterVersionFreshness();
--        }
- 
-         // See if the user specified a specific device.
-         final String? specifiedDeviceId = topLevelResults[FlutterGlobalOptions.kDeviceIdOption] as String?;
-
diff --git a/pkgs/development/compilers/flutter/versions/3_27/patches/fix-ios-build-xcode-backend-sh.patch b/pkgs/development/compilers/flutter/versions/3_27/patches/fix-ios-build-xcode-backend-sh.patch
deleted file mode 100644
index 825d40fc6176..000000000000
--- a/pkgs/development/compilers/flutter/versions/3_27/patches/fix-ios-build-xcode-backend-sh.patch
+++ /dev/null
@@ -1,69 +0,0 @@
-From 6df275df3b8694daf16302b407520e3b1dee6724 Mon Sep 17 00:00:00 2001
-From: Philip Hayes <philiphayes9@gmail.com>
-Date: Thu, 12 Sep 2024 13:23:00 -0700
-Subject: [PATCH] fix: cleanup xcode_backend.sh to fix iOS build w/
- `NixOS/nixpkgs` flutter
-
-This patch cleans up `xcode_backend.sh`. It now effectively just runs
-`exec $FLUTTER_ROOT/bin/dart ./xcode_backend.dart`.
-
-The previous `xcode_backend.sh` tries to discover `$FLUTTER_ROOT` from
-argv[0], even though its presence is already guaranteed (the wrapped
-`xcode_backend.dart` also relies on this env).
-
-When using nixpkgs flutter, the flutter SDK directory is composed of several
-layers, joined together using symlinks (called a `symlinkJoin`). Without this
-patch, the auto-discover traverses the symlinks into the wrong layer, and so it
-uses an "unwrapped" `dart` command instead of a "wrapped" dart that sets some
-important envs/flags (like `$FLUTTER_ROOT`).
-
-Using the "unwrapped" dart then manifests in this error when compiling, since
-it doesn't see the ios build-support artifacts:
-
-```
-$ flutter run -d iphone
-Running Xcode build...
-Xcode build done.                                            6.4s
-Failed to build iOS app
-Error (Xcode): Target debug_unpack_ios failed: Error: Flutter failed to create a directory at "/<nix-store>/XXXX-flutter-3.24.1-unwrapped/bin/cache/artifacts".
-```
----
- packages/flutter_tools/bin/xcode_backend.sh | 25 ++++-----------------
- 1 file changed, 4 insertions(+), 21 deletions(-)
-
-diff --git a/packages/flutter_tools/bin/xcode_backend.sh b/packages/flutter_tools/bin/xcode_backend.sh
-index 2889d7c8e4..48b9d06c6e 100755
---- a/packages/flutter_tools/bin/xcode_backend.sh
-+++ b/packages/flutter_tools/bin/xcode_backend.sh
-@@ -6,24 +6,7 @@
- # exit on error, or usage of unset var
- set -euo pipefail
- 
--# Needed because if it is set, cd may print the path it changed to.
--unset CDPATH
--
--function follow_links() (
--  cd -P "$(dirname -- "$1")"
--  file="$PWD/$(basename -- "$1")"
--  while [[ -h "$file" ]]; do
--    cd -P "$(dirname -- "$file")"
--    file="$(readlink -- "$file")"
--    cd -P "$(dirname -- "$file")"
--    file="$PWD/$(basename -- "$file")"
--  done
--  echo "$file"
--)
--
--PROG_NAME="$(follow_links "${BASH_SOURCE[0]}")"
--BIN_DIR="$(cd "${PROG_NAME%/*}" ; pwd -P)"
--FLUTTER_ROOT="$BIN_DIR/../../.."
--DART="$FLUTTER_ROOT/bin/dart"
--
--"$DART" "$BIN_DIR/xcode_backend.dart" "$@"
-+# Run `dart ./xcode_backend.dart` with the dart from $FLUTTER_ROOT.
-+dart="${FLUTTER_ROOT}/bin/dart"
-+xcode_backend_dart="${BASH_SOURCE[0]%.sh}.dart"
-+exec "${dart}" "${xcode_backend_dart}" "$@"
--- 
-2.46.0
-
diff --git a/pkgs/development/compilers/flutter/versions/3_27/patches/gradle-flutter-tools-wrapper.patch b/pkgs/development/compilers/flutter/versions/3_27/patches/gradle-flutter-tools-wrapper.patch
deleted file mode 100644
index de6080efbba8..000000000000
--- a/pkgs/development/compilers/flutter/versions/3_27/patches/gradle-flutter-tools-wrapper.patch
+++ /dev/null
@@ -1,44 +0,0 @@
-This patch introduces an intermediate Gradle build step to alter the behavior
-of flutter_tools' Gradle project, specifically moving the creation of `build`
-and `.gradle` directories from within the Nix Store to somewhere in `$HOME/.cache/flutter/nix-flutter-tools-gradle/$engineShortRev`.
-
-Without this patch, flutter_tools' Gradle project tries to generate `build` and `.gradle`
-directories within the Nix Store. Resulting in read-only errors when trying to build a
-Flutter Android app at runtime.
-
-This patch takes advantage of the fact settings.gradle takes priority over settings.gradle.kts to build the intermediate Gradle project
-when a Flutter app runs `includeBuild("${settings.ext.flutterSdkPath}/packages/flutter_tools/gradle")`
-
-`rootProject.buildFileName = "/dev/null"` so that the intermediate project doesn't use `build.gradle.kts` that's in the same directory.
-
-The intermediate project makes a `settings.gradle` file in `$HOME/.cache/flutter/nix-flutter-tools-gradle/<short engine rev>/` and `includeBuild`s it.
-This Gradle project will build the actual `packages/flutter_tools/gradle` project by setting
-`rootProject.projectDir = new File("$settingsDir")` and `apply from: new File("$settingsDir/settings.gradle.kts")`.
-
-Now the `.gradle` will be built in `$HOME/.cache/flutter/nix-flutter-tools-gradle/<short engine rev>/`, but `build` doesn't.
-To move `build` to `$HOME/.cache/flutter/nix-flutter-tools-gradle/<short engine rev>/` as well, we need to set `buildDirectory`.
-diff --git a/packages/flutter_tools/gradle/settings.gradle b/packages/flutter_tools/gradle/settings.gradle
-new file mode 100644
-index 0000000000..b2485c94b4
---- /dev/null
-+++ b/packages/flutter_tools/gradle/settings.gradle
-@@ -0,0 +1,19 @@
-+rootProject.buildFileName = "/dev/null"
-+
-+def engineShortRev = (new File("$settingsDir/../../../bin/internal/engine.version")).text.take(10)
-+def dir = new File("$System.env.HOME/.cache/flutter/nix-flutter-tools-gradle/$engineShortRev")
-+dir.mkdirs()
-+def file = new File(dir, "settings.gradle")
-+
-+file.text = """
-+rootProject.projectDir = new File("$settingsDir")
-+apply from: new File("$settingsDir/settings.gradle.kts")
-+
-+gradle.allprojects { project ->
-+  project.beforeEvaluate {
-+    project.layout.buildDirectory = new File("$dir/build")
-+  }
-+}
-+"""
-+
-+includeBuild(dir)
diff --git a/pkgs/top-level/aliases.nix b/pkgs/top-level/aliases.nix
index 0bf044175aac..9dd0272f3894 100644
--- a/pkgs/top-level/aliases.nix
+++ b/pkgs/top-level/aliases.nix
@@ -565,6 +565,7 @@ mapAliases {
   flut-renamer = throw "flut-renamer is unmaintained and has been removed"; # Added 2025-08-26
   flutter324 = throw "flutter324 has been removed because it isn't updated anymore, and no packages in nixpkgs use it. If you still need it, use flutter.mkFlutter to get a custom version"; # Added 2025-10-28
   flutter326 = throw "flutter326 has been removed because it isn't updated anymore, and no packages in nixpkgs use it. If you still need it, use flutter.mkFlutter to get a custom version"; # Added 2025-06-08
+  flutter327 = throw "flutter327 has been removed because it isn't updated anymore, and no packages in nixpkgs use it. If you still need it, use flutter.mkFlutter to get a custom version"; # Added 2025-10-28
   fmsynth = throw "'fmsynth' has been removed as it was broken and unmaintained both upstream and in nixpkgs."; # Added 2025-09-01
   follow = warnAlias "follow has been renamed to folo" folo; # Added 2025-05-18
   forceSystem = warnAlias "forceSystem is deprecated in favour of explicitly importing Nixpkgs" (
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index f924889c22fa..bdcc1bc49b6e 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -4505,7 +4505,6 @@ with pkgs;
   flutter335 = flutterPackages.v3_35;
   flutter332 = flutterPackages.v3_32;
   flutter329 = flutterPackages.v3_29;
-  flutter327 = flutterPackages.v3_27;
 
   fpc = callPackage ../development/compilers/fpc { };