diff --git a/test_conformance/spir/datagen.h b/test_conformance/spir/datagen.h
index cf620466..d47d8df9 100644
--- a/test_conformance/spir/datagen.h
+++ b/test_conformance/spir/datagen.h
@@ -1055,8 +1055,6 @@ public:
 
     static cl_channel_order channelOrders[];
     static const char* imageTypes[];
-private:
-    WorkSizeInfo  m_wsInfo;
 };
 
 #endif