diff --git a/pkgs/by-name/ho/howl/package.nix b/pkgs/by-name/ho/howl/package.nix
index 7f04a9497a48..6c4cd032ace6 100644
--- a/pkgs/by-name/ho/howl/package.nix
+++ b/pkgs/by-name/ho/howl/package.nix
@@ -46,7 +46,7 @@ stdenv.mkDerivation (finalAttrs: {
     maintainers = with lib.maintainers; [ euxane ];
     mainProgram = "howl";
 
-    # LuaJIT and Howl builds fail for x86_64-darwin and aarch64-linux respectively
+    # Howl builds fail for aarch64-linux
     platforms = [
       "i686-linux"
       "x86_64-linux"
diff --git a/pkgs/by-name/ja/jackett/package.nix b/pkgs/by-name/ja/jackett/package.nix
index 1bf8590d5df0..db8409117d56 100644
--- a/pkgs/by-name/ja/jackett/package.nix
+++ b/pkgs/by-name/ja/jackett/package.nix
@@ -39,8 +39,6 @@ buildDotnetModule (finalAttrs: {
 
   runtimeDeps = [ openssl ];
   # mono is not available on aarch64-darwin
-  #x86_64-darwin is failed with
-  #System.Net.Sockets.SocketException (13): Permission denied
   doCheck = !stdenv.hostPlatform.isDarwin;
   nativeCheckInputs = [ mono ];
   testProjectFile = "src/Jackett.Test/Jackett.Test.csproj";
diff --git a/pkgs/by-name/pe/peertube/package.nix b/pkgs/by-name/pe/peertube/package.nix
index 408dd20c1d2d..326846061102 100644
--- a/pkgs/by-name/pe/peertube/package.nix
+++ b/pkgs/by-name/pe/peertube/package.nix
@@ -174,7 +174,7 @@ stdenv.mkDerivation (finalAttrs: {
       "x86_64-linux"
       "aarch64-linux"
       # feasible, looking for maintainer to help out
-      # "x86_64-darwin" "aarch64-darwin"
+      # "aarch64-darwin"
     ];
     maintainers = with lib.maintainers; [
       immae
diff --git a/pkgs/by-name/po/podman-bootc/package.nix b/pkgs/by-name/po/podman-bootc/package.nix
index 59c7fa4388c0..cf1d644e0d26 100644
--- a/pkgs/by-name/po/podman-bootc/package.nix
+++ b/pkgs/by-name/po/podman-bootc/package.nix
@@ -66,8 +66,6 @@ buildGoModule (finalAttrs: {
     changelog = "https://github.com/bootc-dev/podman-bootc/releases/tag/${finalAttrs.src.tag}";
     maintainers = with lib.maintainers; [ evan-goode ];
     license = lib.licenses.asl20;
-    # x86_64-darwin does not seem to be supported at this time:
-    # https://github.com/containers/podman-bootc/issues/46
     platforms = [
       "aarch64-linux"
       "aarch64-darwin"
diff --git a/pkgs/development/interpreters/python/cpython/default.nix b/pkgs/development/interpreters/python/cpython/default.nix
index 02c6e27d11d4..e9440614cf34 100644
--- a/pkgs/development/interpreters/python/cpython/default.nix
+++ b/pkgs/development/interpreters/python/cpython/default.nix
@@ -870,7 +870,7 @@ stdenv.mkDerivation (finalAttrs: {
       lib.platforms.linux ++ lib.platforms.darwin ++ lib.platforms.windows ++ lib.platforms.freebsd;
     mainProgram = executable;
     teams = [ lib.teams.python ];
-    # static build on x86_64-darwin/aarch64-darwin breaks with:
+    # static build on aarch64-darwin breaks with:
     # configure: error: C compiler cannot create executables
 
     # mingw patches only apply to Python 3.11 currently
diff --git a/pkgs/development/libraries/mesa/common.nix b/pkgs/development/libraries/mesa/common.nix
index 5e3bbf9d6131..5b9465d50566 100644
--- a/pkgs/development/libraries/mesa/common.nix
+++ b/pkgs/development/libraries/mesa/common.nix
@@ -2,7 +2,7 @@
 # When updating this package, please verify at least these build (assuming x86_64-linux):
 # nix build .#mesa .#pkgsi686Linux.mesa .#pkgsCross.aarch64-multiplatform.mesa .#pkgsMusl.mesa
 # Ideally also verify:
-# nix build .#legacyPackages.x86_64-darwin.mesa .#legacyPackages.aarch64-darwin.mesa
+# nix build .#legacyPackages.aarch64-darwin.mesa
 rec {
   pname = "mesa";
   version = "26.1.4";
diff --git a/pkgs/development/python-modules/pyannote-audio/default.nix b/pkgs/development/python-modules/pyannote-audio/default.nix
index 8613419900bb..0ccbceceecef 100644
--- a/pkgs/development/python-modules/pyannote-audio/default.nix
+++ b/pkgs/development/python-modules/pyannote-audio/default.nix
@@ -124,7 +124,6 @@ buildPythonPackage (finalAttrs: {
     lib.optionals stdenv.hostPlatform.isDarwin [
       # Crashes the interpreter
       # - On aarch64-darwin: Trace/BPT trap: 5
-      # - On x86_64-darwin: Fatal Python error: Illegal instruction
       "tests/inference_test.py"
       "tests/test_train.py"
     ]