diff --git a/dlls/wined3d/device.c b/dlls/wined3d/device.c
index 92f71760983..2799ffd39bb 100644
--- a/dlls/wined3d/device.c
+++ b/dlls/wined3d/device.c
@@ -2025,24 +2025,10 @@ static HRESULT WINAPI IWineD3DDeviceImpl_SetStreamSource(IWineD3DDevice *iface,
 
 static HRESULT WINAPI IWineD3DDeviceImpl_GetStreamSource(IWineD3DDevice *iface, UINT StreamNumber,IWineD3DVertexBuffer** pStream, UINT *pOffset, UINT* pStride) {
     IWineD3DDeviceImpl *This = (IWineD3DDeviceImpl *)iface;
-    UINT streamFlags;
 
     TRACE("(%p) : StreamNo: %d, Stream (%p), Stride %d\n", This, StreamNumber,
            This->stateBlock->streamSource[StreamNumber], This->stateBlock->streamStride[StreamNumber]);
 
-
-    streamFlags = StreamNumber &(WINED3DSTREAMSOURCE_INDEXEDDATA | WINED3DSTREAMSOURCE_INSTANCEDATA);
-    if (streamFlags) {
-        if (streamFlags & WINED3DSTREAMSOURCE_INDEXEDDATA) {
-           FIXME("stream index data not supported\n");
-        }
-        if (streamFlags & WINED3DSTREAMSOURCE_INDEXEDDATA) {
-            FIXME("stream instance data not supported\n");
-        }
-    }
-
-    StreamNumber&= ~(WINED3DSTREAMSOURCE_INDEXEDDATA | WINED3DSTREAMSOURCE_INSTANCEDATA);
-
     if (StreamNumber >= MAX_STREAMS) {
         WARN("Stream out of range %d\n", StreamNumber);
         return WINED3DERR_INVALIDCALL;