diff --git a/pkgs/applications/science/math/mxnet/default.nix b/pkgs/applications/science/math/mxnet/default.nix
index 1e7af371c509..d65de87d8eb9 100644
--- a/pkgs/applications/science/math/mxnet/default.nix
+++ b/pkgs/applications/science/math/mxnet/default.nix
@@ -56,7 +56,6 @@ stdenv.mkDerivation rec {
 
   env.NIX_CFLAGS_COMPILE = toString [
     # Needed with GCC 12
-    "-Wno-error=maybe-uninitialized"
     "-Wno-error=uninitialized"
   ];