diff --git a/src/modules/containers.nix b/src/modules/containers.nix
index 2660d1455..775e05d7c 100644
--- a/src/modules/containers.nix
+++ b/src/modules/containers.nix
@@ -202,7 +202,7 @@ let
         type = types.either types.path (types.listOf types.path);
         description = "Add a path to the container. Defaults to the whole git repo.";
         default = self;
-        defaultText = "self";
+        defaultText = lib.literalExpression "self";
       };
 
       startupCommand = lib.mkOption {
diff --git a/src/modules/integrations/android.nix b/src/modules/integrations/android.nix
index cb049234b..90262bf6e 100644
--- a/src/modules/integrations/android.nix
+++ b/src/modules/integrations/android.nix
@@ -217,12 +217,11 @@ in
     android-studio.package = lib.mkOption {
       type = lib.types.package;
       default = pkgs.android-studio;
-      defaultText = "pkgs.android-studio";
+      defaultText = lib.literalExpression "pkgs.android-studio";
       description = ''
         The Android Studio package to use.
         By default, the Android Studio package from nixpkgs is used.
       '';
-      example = "pkgs.android-studio";
     };
 
     flutter.enable = lib.mkOption {
@@ -236,12 +235,11 @@ in
     flutter.package = lib.mkOption {
       type = lib.types.package;
       default = pkgs.flutter;
-      defaultText = "pkgs.flutter";
+      defaultText = lib.literalExpression "pkgs.flutter";
       description = ''
         The Flutter package to use.
         By default, the Flutter package from nixpkgs is used.
       '';
-      example = "pkgs.flutter";
     };
 
     reactNative.enable = lib.mkOption {
@@ -258,7 +256,9 @@ in
       androidSdk
       platformTools
       androidEmulator
-    ] ++ (lib.optional cfg.flutter.enable cfg.flutter.package) ++ (lib.optional cfg.android-studio.enable cfg.android-studio.package);
+    ]
+    ++ lib.optional cfg.flutter.enable cfg.flutter.package
+    ++ lib.optional cfg.android-studio.enable cfg.android-studio.package;
 
     # Nested conditional for flutter
     languages = lib.mkMerge [
diff --git a/src/modules/languages/idris.nix b/src/modules/languages/idris.nix
index 6f19e2ff5..40671427b 100644
--- a/src/modules/languages/idris.nix
+++ b/src/modules/languages/idris.nix
@@ -8,16 +8,16 @@ in {
     package = lib.mkOption {
       type = lib.types.package;
       default = pkgs.idris2;
-      defaultText = "pkgs.idris2";
+      defaultText = lib.literalExpression "pkgs.idris2";
       description = ''
         The Idris package to use.
       '';
-      example = "pkgs.idris";
+      example = lib.literalExpression "pkgs.idris";
     };
   };
 
   config = lib.mkIf cfg.enable {
-    packages = with pkgs; [
+    packages = [
       cfg.package
     ];
   };
diff --git a/src/modules/languages/java.nix b/src/modules/languages/java.nix
index 5becf08e1..19f6f60c3 100644
--- a/src/modules/languages/java.nix
+++ b/src/modules/languages/java.nix
@@ -28,7 +28,7 @@ in
       enable = mkEnableOption "maven";
       package = mkOption {
         type = types.package;
-        defaultText = "pkgs.maven.override { jdk_headless = cfg.jdk.package; }";
+        defaultText = literalExpression "pkgs.maven.override { jdk_headless = cfg.jdk.package; }";
         description = ''
           The Maven package to use.
           The Maven package by default inherits the JDK from `languages.java.jdk.package`.
diff --git a/src/modules/languages/lean4.nix b/src/modules/languages/lean4.nix
index f8480a8c6..004971475 100644
--- a/src/modules/languages/lean4.nix
+++ b/src/modules/languages/lean4.nix
@@ -8,7 +8,7 @@ in {
     package = lib.mkOption {
       type = lib.types.package;
       default = pkgs.lean4;
-      defaultText = "pkgs.lean4";
+      defaultText = lib.literalExpression "pkgs.lean4";
       description = ''
         The lean4 package to use.
       '';
diff --git a/src/modules/languages/scala.nix b/src/modules/languages/scala.nix
index 7f384233d..caa818c8e 100644
--- a/src/modules/languages/scala.nix
+++ b/src/modules/languages/scala.nix
@@ -12,7 +12,7 @@ in
     package = lib.mkOption {
       type = lib.types.package;
       default = pkgs.scala_3;
-      defaultText = "pkgs.scala_3";
+      defaultText = lib.literalExpression "pkgs.scala_3";
       description = ''
         The Scala package to use.
       '';
diff --git a/src/modules/languages/standardml.nix b/src/modules/languages/standardml.nix
index bace532c2..060b2f2ba 100644
--- a/src/modules/languages/standardml.nix
+++ b/src/modules/languages/standardml.nix
@@ -10,7 +10,7 @@ in
     package = lib.mkOption {
       type = lib.types.package;
       default = pkgs.mlton;
-      defaultText = "pkgs.mlton";
+      defaultText = lib.literalExpression "pkgs.mlton";
       description = ''
         The Standard ML package to use.
       '';
@@ -18,10 +18,10 @@ in
   };
 
   config = lib.mkIf cfg.enable {
-    packages = with pkgs; [
+    packages = [
       cfg.package
-      millet
-      smlfmt
+      pkgs.millet
+      pkgs.smlfmt
     ];
   };
 }
diff --git a/src/modules/languages/swift.nix b/src/modules/languages/swift.nix
index bec3fc83e..352d32c0c 100644
--- a/src/modules/languages/swift.nix
+++ b/src/modules/languages/swift.nix
@@ -10,7 +10,7 @@ in
     package = lib.mkOption {
       type = lib.types.package;
       default = pkgs.swift;
-      defaultText = "pkgs.swift";
+      defaultText = lib.literalExpression "pkgs.swift";
       description = ''
         The Swift package to use.
       '';
@@ -18,7 +18,7 @@ in
   };
 
   config = lib.mkIf cfg.enable {
-    packages = with pkgs; [
+    packages = [
       cfg.package
       pkgs.clang
     ];
diff --git a/src/modules/services/cockroachdb.nix b/src/modules/services/cockroachdb.nix
index eb53c18a4..194ea21f3 100644
--- a/src/modules/services/cockroachdb.nix
+++ b/src/modules/services/cockroachdb.nix
@@ -28,7 +28,7 @@ in
 
     package = lib.mkOption {
       default = pkgs.cockroachdb-bin;
-      defaultText = "pkgs.cockroachdb-bin";
+      defaultText = lib.literalExpression "pkgs.cockroachdb-bin";
       description = "The CockroachDB package to use.";
     };
   };
diff --git a/src/modules/services/nginx.nix b/src/modules/services/nginx.nix
index 25f877501..8e80907e0 100644
--- a/src/modules/services/nginx.nix
+++ b/src/modules/services/nginx.nix
@@ -32,7 +32,7 @@ in
     package = lib.mkOption {
       type = lib.types.package;
       default = pkgs.nginx;
-      defaultText = "pkgs.nginx";
+      defaultText = lib.literalExpression "pkgs.nginx";
       description = "The nginx package to use.";
     };