diff --git a/lib/system/gc_regions.nim b/lib/system/gc_regions.nim
index 2ab03fe2cd..a27aaaa883 100644
--- a/lib/system/gc_regions.nim
+++ b/lib/system/gc_regions.nim
@@ -395,3 +395,6 @@ proc getTotalMem*(r: MemRegion): int =
   result = r.totalSize
 
 proc setStackBottom(theStackBottom: pointer) = discard
+
+proc nimGCref(x: pointer) {.compilerProc.} = discard
+proc nimGCunref(x: pointer) {.compilerProc.} = discard