diff --git a/include/GL/internal/dri_interface.h b/include/GL/internal/dri_interface.h
index 87c046b2545..a4d576ecda2 100644
--- a/include/GL/internal/dri_interface.h
+++ b/include/GL/internal/dri_interface.h
@@ -442,7 +442,6 @@ struct mesa_glinterop_device_info;
 struct mesa_glinterop_export_in;
 struct mesa_glinterop_export_out;
 struct mesa_glinterop_flush_out;
-typedef struct __GLsync *GLsync;
 
 struct __DRI2interopExtensionRec {
    __DRIextension base;