diff --git a/reactos/drivers/network/ndis/ndis/protocol.c b/reactos/drivers/network/ndis/ndis/protocol.c
index 965a4f41c27..a64168280a4 100644
--- a/reactos/drivers/network/ndis/ndis/protocol.c
+++ b/reactos/drivers/network/ndis/ndis/protocol.c
@@ -51,6 +51,26 @@ NdisCompleteBindAdapter(
   ExInterlockedInsertTailList(&ProtocolListHead, &Protocol->ListEntry, &ProtocolListLock);
 }
 
+/*
+ * @implemented
+ */
+VOID
+EXPORT
+NdisCompleteUnbindAdapter(
+    IN  NDIS_HANDLE UnbindAdapterContext,
+    IN  NDIS_STATUS Status)
+{
+  /* We probably need to do more here but for now we just do
+   * the opposite of what NdisCompleteBindAdapter does
+   */
+
+  PROTOCOL_BINDING *Protocol = (PROTOCOL_BINDING *)UnbindAdapterContext;
+
+  if (!NT_SUCCESS(Status)) return;
+
+  ExInterlockedRemoveEntryList(&Protocol->ListEntry, &ProtocolListLock);
+}
+
 
 NDIS_STATUS
 ProIndicatePacket(
diff --git a/reactos/drivers/network/ndis/ndis/stubs.c b/reactos/drivers/network/ndis/ndis/stubs.c
index 85738f62795..67b38c40be9 100644
--- a/reactos/drivers/network/ndis/ndis/stubs.c
+++ b/reactos/drivers/network/ndis/ndis/stubs.c
@@ -24,19 +24,6 @@ NdisCompleteQueryStatistics(
 }
 
 
-/*
- * @unimplemented
- */
-VOID
-EXPORT
-NdisCompleteUnbindAdapter(
-    IN  NDIS_HANDLE UnbindAdapterContext,
-    IN  NDIS_STATUS Status)
-{
-    UNIMPLEMENTED
-}
-
-
 /*
  * @implemented
  */