diff --git a/pkgs/by-name/wa/wangle/package.nix b/pkgs/by-name/wa/wangle/package.nix
index 5ded3e1e70a3..09ad82e55e56 100644
--- a/pkgs/by-name/wa/wangle/package.nix
+++ b/pkgs/by-name/wa/wangle/package.nix
@@ -54,7 +54,6 @@ stdenv.mkDerivation (finalAttrs: {
   cmakeDir = "../wangle";
 
   cmakeFlags = [
-    "-Wno-dev"
     (lib.cmakeBool "BUILD_TESTS" finalAttrs.finalPackage.doCheck)
   ];