diff --git a/lib/system/threadimpl.nim b/lib/system/threadimpl.nim
index 94db233365..285b8f5e7f 100644
--- a/lib/system/threadimpl.nim
+++ b/lib/system/threadimpl.nim
@@ -20,13 +20,8 @@ when not defined(useNimRtl):
       threadType = ThreadType.NimThread
 
 when defined(gcDestructors):
-  proc allocThreadStorage(size: int): pointer =
-    result = c_malloc(csize_t size)
-    zeroMem(result, size)
-
   proc deallocThreadStorage(p: pointer) = c_free(p)
 else:
-  template allocThreadStorage(size: untyped): untyped = allocShared0(size)
   template deallocThreadStorage(p: pointer) = deallocShared(p)
 
 template afterThreadRuns() =