diff --git Makefile Makefile
index e549d6d..210ecd9 100644
--- Makefile
+++ Makefile
@@ -670,8 +670,6 @@ else # ifeq freebsd
 
 ifeq ($(PLATFORM),openbsd)
 
-  ARCH=$(shell uname -m)
-
   BASE_CFLAGS = -Wall -fno-strict-aliasing -Wimplicit -Wstrict-prototypes \
     -DUSE_ICON -DMAP_ANONYMOUS=MAP_ANON
   CLIENT_CFLAGS += $(SDL_CFLAGS)