diff --git a/linux-tkg-config/prepare b/linux-tkg-config/prepare
index b1a49fd..0fd1447 100644
--- a/linux-tkg-config/prepare
+++ b/linux-tkg-config/prepare
@@ -880,10 +880,9 @@ _tkg_srcprep() {
   # buggy project C/PSI interaction workaround
   if [ "${_cpusched}" = "pds" ] || [ "${_cpusched}" = "bmq" ]; then
     _enable "PSI_DEFAULT_DISABLED"
-    # Disable MLX5_CORE on Prjc 6.3.y
-    if [ "$_kver" = "603" ]; then
-      _disable "MLX5_CORE"
-    fi
+    # Disable MLX5_CORE on Prjc
+    plain "Disable MLX5_CORE for Prjc"
+    _disable "MLX5_CORE"
   fi
 
   if [ -n "$_custom_commandline" ]; then