diff --git a/src/st/st-types.h b/src/st/st-types.h
index e5c258cfe..5f5ee2dfd 100644
--- a/src/st/st-types.h
+++ b/src/st/st-types.h
@@ -33,12 +33,6 @@ G_BEGIN_DECLS
  * Common types for StWidgets.
  */
 
-typedef enum {
-  ST_ALIGN_START,
-  ST_ALIGN_MIDDLE,
-  ST_ALIGN_END
-} StAlign;
-
 typedef enum {
   ST_BACKGROUND_SIZE_AUTO,
   ST_BACKGROUND_SIZE_CONTAIN,