diff --git a/src/mesa/main/mtypes.h b/src/mesa/main/mtypes.h
index 0f0723d173d..9b142e28393 100644
--- a/src/mesa/main/mtypes.h
+++ b/src/mesa/main/mtypes.h
@@ -3421,14 +3421,6 @@ typedef enum {
    API_ERROR_UNKNOWN,
 } gl_api_error;
 
-typedef enum {
-   WINSYS_ERROR_UNKNOWN,
-} gl_winsys_error;
-
-typedef enum {
-   SHADER_ERROR_UNKNOWN,
-} gl_shader_error;
-
 typedef enum {
    OTHER_ERROR_UNKNOWN,
    OTHER_ERROR_OUT_OF_MEMORY,