diff --git a/engine/vm.c b/engine/vm.c
index 4997622..b3d6f15 100644
--- a/engine/vm.c
+++ b/engine/vm.c
@@ -5724,13 +5724,6 @@ Resume:
 						n = 0;
 						while(pArg < pTos) {
 							if(n < SySetUsed(&pVmFunc->aArgs)) {
-								if((pArg->nType & MEMOBJ_NULL) && SySetUsed(&aFormalArg[n].aByteCode) > 0) {
-									/* NULL values are redirected to default arguments */
-									rc = VmLocalExec(&(*pVm), &aFormalArg[n].aByteCode, pArg);
-									if(rc == PH7_ABORT) {
-										goto Abort;
-									}
-								}
 								/* Make sure the given arguments are of the correct type */
 								if(aFormalArg[n].nType > 0) {
 									if(aFormalArg[n].nType == SXU32_HIGH) {