diff --git a/pkgs/development/libraries/mbedtls/generic.nix b/pkgs/development/libraries/mbedtls/generic.nix
index 14545a2710fc..e87a133eb2a1 100644
--- a/pkgs/development/libraries/mbedtls/generic.nix
+++ b/pkgs/development/libraries/mbedtls/generic.nix
@@ -47,10 +47,6 @@ stdenv.mkDerivation rec {
     "-DGEN_FILES=off"
   ];
 
-  env = lib.optionalAttrs (stdenv.cc.isGNU && (lib.versionAtLeast (lib.getVersion stdenv.cc.cc) "14")) {
-    NIX_CFLAGS_COMPILE = "-Wno-error=calloc-transposed-args";
-  };
-
   doCheck = true;
 
   # Parallel checking causes test failures