diff --git a/sc2/src/sc2code/ships/sis_ship/istrtab.h b/sc2/src/sc2code/ships/sis_ship/istrtab.h
deleted file mode 100644
index 15bdab79f..000000000
--- a/sc2/src/sc2code/ships/sis_ship/istrtab.h
+++ /dev/null
@@ -1,3 +0,0 @@
-#define SIS_SHIP_SOUNDS 0x00400004L
-
-