diff --git a/src/ass_dialogue.h b/src/ass_dialogue.h
index a1c96156d..2a1dd28b0 100644
--- a/src/ass_dialogue.h
+++ b/src/ass_dialogue.h
@@ -43,7 +43,6 @@
 #include <vector>
 
 enum class AssBlockType {
-	BASE,
 	PLAIN,
 	COMMENT,
 	OVERRIDE,