diff --git a/lib/types.nix b/lib/types.nix
index 73d59309e91b..715da842ac01 100644
--- a/lib/types.nix
+++ b/lib/types.nix
@@ -1456,12 +1456,6 @@ let
           nestedTypes.finalType = finalType;
         };
 
-      # A list of attrnames is coerced into an attrset of bools by
-      # setting the values to true.
-      attrNamesToTrue = coercedTo (types.listOf types.str) (
-        enabledList: lib.genAttrs enabledList (_attrName: true)
-      ) (types.attrsOf types.bool);
-
       # Augment the given type with an additional type check function.
       addCheck = elemType: check: elemType // { check = x: elemType.check x && check x; };
 
diff --git a/nixos/doc/manual/development/option-types.section.md b/nixos/doc/manual/development/option-types.section.md
index 8539da71a214..c0add330b72e 100644
--- a/nixos/doc/manual/development/option-types.section.md
+++ b/nixos/doc/manual/development/option-types.section.md
@@ -135,29 +135,6 @@ merging is handled.
     problems.
     :::
 
-`types.attrNamesToTrue`
-
-:   Either a list of attribute names, or an attribute set of
-    booleans. A list will be coerced into an attribute set with those
-    names, whose values are set to `true`. This is useful when it is
-    convenient to be able to write definitions as a simple list, but
-    still need to be able to override and disable individual values.
-
-    ::: {#ex-types-attrNamesToTrue .example}
-    ### `types.attrNamesToTrue`
-    ```
-    {
-      foo = [ "bar" ];
-    }
-    ```
-
-    ```
-    {
-      foo.bar = true;
-    }
-    ```
-    :::
-
 `types.pkgs`
 
 :   A type for the top level Nixpkgs package set.
diff --git a/nixos/modules/system/boot/kernel.nix b/nixos/modules/system/boot/kernel.nix
index 1d8f65ad28d3..c5a2f5933b48 100644
--- a/nixos/modules/system/boot/kernel.nix
+++ b/nixos/modules/system/boot/kernel.nix
@@ -25,6 +25,12 @@ let
     ${concatStringsSep "\n" config.boot.kernelModules}
   '';
 
+  # A list of attrnames is coerced into an attrset of bools by
+  # setting the values to true.
+  attrNamesToTrue = types.coercedTo (types.listOf types.str) (
+    enabledList: lib.genAttrs enabledList (_attrName: true)
+  ) (types.attrsOf types.bool);
+
 in
 
 {
@@ -196,7 +202,7 @@ in
     };
 
     boot.kernelModules = mkOption {
-      type = types.attrNamesToTrue;
+      type = attrNamesToTrue;
       default = { };
       description = ''
         The set of kernel modules to be loaded in the second stage of
@@ -211,7 +217,7 @@ in
     };
 
     boot.initrd.availableKernelModules = mkOption {
-      type = types.attrNamesToTrue;
+      type = attrNamesToTrue;
       default = { };
       example = [
         "sata_nv"
@@ -238,7 +244,7 @@ in
     };
 
     boot.initrd.kernelModules = mkOption {
-      type = types.attrNamesToTrue;
+      type = attrNamesToTrue;
       default = { };
       description = ''
         Set of modules that are always loaded by the initrd.
diff --git a/nixos/modules/system/boot/modprobe.nix b/nixos/modules/system/boot/modprobe.nix
index b38e78c3222a..18c34f547c85 100644
--- a/nixos/modules/system/boot/modprobe.nix
+++ b/nixos/modules/system/boot/modprobe.nix
@@ -7,6 +7,16 @@
 
 with lib;
 
+let
+
+  # A list of attrnames is coerced into an attrset of bools by
+  # setting the values to true.
+  attrNamesToTrue = types.coercedTo (types.listOf types.str) (
+    enabledList: lib.genAttrs enabledList (_attrName: true)
+  ) (types.attrsOf types.bool);
+
+in
+
 {
 
   ###### interface
@@ -25,7 +35,7 @@ with lib;
       };
 
     boot.blacklistedKernelModules = mkOption {
-      type = types.attrNamesToTrue;
+      type = attrNamesToTrue;
       default = { };
       example = [
         "cirrusfb"
diff --git a/nixos/modules/tasks/filesystems.nix b/nixos/modules/tasks/filesystems.nix
index b28a902a7c54..c9588f65b506 100644
--- a/nixos/modules/tasks/filesystems.nix
+++ b/nixos/modules/tasks/filesystems.nix
@@ -13,6 +13,12 @@ let
   # https://wiki.archlinux.org/index.php/fstab#Filepath_spaces
   escape = string: builtins.replaceStrings [ " " "\t" ] [ "\\040" "\\011" ] string;
 
+  # A list of attrnames is coerced into an attrset of bools by
+  # setting the values to true.
+  attrNamesToTrue = types.coercedTo (types.listOf types.str) (
+    enabledList: lib.genAttrs enabledList (_attrName: true)
+  ) (types.attrsOf types.bool);
+
   addCheckDesc =
     desc: elemType: check:
     types.addCheck elemType check // { description = "${elemType.description} (with check: ${desc})"; };
@@ -326,7 +332,7 @@ in
           zfs = lib.mkForce false;
         }
       '';
-      type = types.attrNamesToTrue;
+      type = attrNamesToTrue;
       description = ''
         Names of supported filesystem types, or an attribute set of file system types
         and their state. The set form may be used together with `lib.mkForce` to