diff --git a/subprojects/gst-plugins-good/ext/qt6/gstqsg6material.h b/subprojects/gst-plugins-good/ext/qt6/gstqsg6material.h
index 3bf9fb8ecf..d331b0aa5c 100644
--- a/subprojects/gst-plugins-good/ext/qt6/gstqsg6material.h
+++ b/subprojects/gst-plugins-good/ext/qt6/gstqsg6material.h
@@ -66,7 +66,6 @@ private:
     bool buffer_was_bound;
     GWeakRef qt_context_ref_;
     GstBuffer * sync_buffer_;
-    GstMemory * mem_;
     GstVideoInfo v_info;
     GstGLTextureTarget tex_target;
     GstVideoFrame v_frame;