1 files changed, 0 insertions, 5 deletions
diff --git a/lib/types.nix b/lib/types.nix
index 51046c2c31b..3fcac9c31b3 100644
--- a/lib/types.nix
+++ b/lib/types.nix
@@ -642,11 +642,6 @@ rec {
               else throw "A submoduleWith option is declared multiple times with conflicting shorthandOnlyDefinesConfig values";
           };
         };
-      } // {
-        # Submodule-typed options get special treatment in order to facilitate
-        # certain migrations, such as the addition of freeformTypes onto
-        # existing option trees.
-        isSubmodule = true;
       };
 
     # A value from a set of allowed ones.