diff --git a/reactos/drivers/network/ndis/ndis/50stubs.c b/reactos/drivers/network/ndis/ndis/50stubs.c
index 11db175b47b..ece754100e3 100644
--- a/reactos/drivers/network/ndis/ndis/50stubs.c
+++ b/reactos/drivers/network/ndis/ndis/50stubs.c
@@ -464,46 +464,6 @@ NdisIMDeregisterLayeredMiniport(
 }
 
 
-/*
- * @unimplemented
- */
-NDIS_HANDLE
-EXPORT
-NdisIMGetBindingContext(
-    IN  NDIS_HANDLE NdisBindingHandle)
-/*
- * FUNCTION:
- * ARGUMENTS:
- * NOTES:
- *    NDIS 5.0
- */
-{
-    UNIMPLEMENTED
-
-    return (NDIS_HANDLE)NULL;
-}
-
-
-/*
- * @unimplemented
- */
-NDIS_HANDLE
-EXPORT
-NdisIMGetDeviceContext(
-    IN  NDIS_HANDLE MiniportAdapterHandle)
-/*
- * FUNCTION:
- * ARGUMENTS:
- * NOTES:
- *    NDIS 5.0
- */
-{
-    UNIMPLEMENTED
-
-    return (NDIS_HANDLE)NULL;
-}
-
-
 /*
  * @unimplemented
  */
diff --git a/reactos/drivers/network/ndis/ndis/miniport.c b/reactos/drivers/network/ndis/ndis/miniport.c
index ada0af44c36..c74542e32bc 100644
--- a/reactos/drivers/network/ndis/ndis/miniport.c
+++ b/reactos/drivers/network/ndis/ndis/miniport.c
@@ -3031,5 +3031,50 @@ NdisCancelSendPackets(
     }
 }
 
+
+/*
+ * @implemented
+ */
+NDIS_HANDLE
+EXPORT
+NdisIMGetBindingContext(
+    IN  NDIS_HANDLE NdisBindingHandle)
+/*
+ * FUNCTION:
+ * ARGUMENTS:
+ * NOTES:
+ *    NDIS 5.0
+ */
+{
+    PADAPTER_BINDING AdapterBinding = NdisBindingHandle;
+    PLOGICAL_ADAPTER Adapter = AdapterBinding->Adapter;
+
+    NDIS_DbgPrint(MAX_TRACE, ("Called.\n"));
+
+    return Adapter->NdisMiniportBlock.DeviceContext;
+}
+
+
+/*
+ * @implemented
+ */
+NDIS_HANDLE
+EXPORT
+NdisIMGetDeviceContext(
+    IN  NDIS_HANDLE MiniportAdapterHandle)
+/*
+ * FUNCTION:
+ * ARGUMENTS:
+ * NOTES:
+ *    NDIS 5.0
+ */
+{
+    PLOGICAL_ADAPTER Adapter = MiniportAdapterHandle;
+
+    NDIS_DbgPrint(MAX_TRACE, ("Called.\n"));
+
+    return Adapter->NdisMiniportBlock.DeviceContext;
+}
+
 /* EOF */