diff --git a/pkgs/by-name/wa/wasilibc/package.nix b/pkgs/by-name/wa/wasilibc/package.nix
index a33bdb040e25..a9dcd85aed88 100644
--- a/pkgs/by-name/wa/wasilibc/package.nix
+++ b/pkgs/by-name/wa/wasilibc/package.nix
@@ -40,12 +40,6 @@ stdenvNoLibc.mkDerivation (finalAttrs: {
     wkg
   ];
 
-  # These flags break pkgsCross.wasi32.llvmPackages.libcxx
-  hardeningDisable = [
-    "libcxxhardeningfast"
-    "libcxxhardeningextensive"
-  ];
-
   outputs = [
     "out"
     "dev"