diff --git a/src/engine/defines.h b/src/engine/defines.h
index 17b23beb..2cd4b692 100644
--- a/src/engine/defines.h
+++ b/src/engine/defines.h
@@ -33,6 +33,4 @@
 // sample related
 #define DIV_MAX_SAMPLE_TYPE 4
 
-typedef unsigned char PatternOrder;
-
 #endif