diff --git a/pkgs/build-support/cc-wrapper/add-hardening.sh b/pkgs/build-support/cc-wrapper/add-hardening.sh
index 2419b567d57..b98833b3513 100644
--- a/pkgs/build-support/cc-wrapper/add-hardening.sh
+++ b/pkgs/build-support/cc-wrapper/add-hardening.sh
@@ -1,4 +1,4 @@
-hardeningFlags=(fortify stackprotector pic strictoverflow format relro bindnow stackcheck)
+hardeningFlags=(fortify stackprotector pic strictoverflow format relro bindnow)
 hardeningFlags+=("${hardeningEnable[@]}")
 hardeningCFlags=()
 hardeningLDFlags=()
@@ -50,11 +50,7 @@ if [[ ! $hardeningDisable =~ "all" ]]; then
           if [[ -n "$NIX_DEBUG" ]]; then echo HARDENING: enabling bindnow >&2; fi
           hardeningLDFlags+=('-z' 'now')
           ;;
-        stackcheck)
-          if [[ -n "$NIX_DEBUG" ]]; then echo HARDENING: enabling stackcheck >&2; fi
-          hardeningCFlags+=('-fstack-check=specific')
-          ;;
-         *)
+        *)
           echo "Hardening flag unknown: $flag" >&2
           ;;
       esac