diff --git a/BloubWorld/Makefile b/BloubWorld/Makefile
index 6c4aaec..5aedce3 100644
--- a/BloubWorld/Makefile
+++ b/BloubWorld/Makefile
@@ -7,7 +7,7 @@ all:	genbloubs movebloubs exportbloubs mergebloubs	\
 # ------------------------------------------------------------
 
 GFOPT = -Wall -Wextra -g -time  -I../Modules
-OBJS  = bloubspace.o povstuff.o mathstuff.o
+OBJS  = bloubspace.o povstuff.o
 MYLIB = '../Modules/libtth90modules.a'
 
 # ------------------------------------------------------------