diff --git a/Makefile b/Makefile
index 77bcbc0..ffa69b4 100644
--- a/Makefile
+++ b/Makefile
@@ -6,13 +6,7 @@ include config.mk
 SRC = drw.c dwm.c util.c
 OBJ = ${SRC:.c=.o}
 
-all: options dwm
-
-options:
-	@echo dwm build options:
-	@echo "CFLAGS   = ${CFLAGS}"
-	@echo "LDFLAGS  = ${LDFLAGS}"
-	@echo "CC       = ${CC}"
+all: dwm
 
 .c.o:
 	${CC} -c ${CFLAGS} $<
@@ -48,4 +42,4 @@ uninstall:
 	rm -f ${DESTDIR}${PREFIX}/bin/dwm\
 		${DESTDIR}${MANPREFIX}/man1/dwm.1
 
-.PHONY: all options clean dist install uninstall
+.PHONY: all clean dist install uninstall
diff --git a/config.mk b/config.mk
index ba64d3d..8efca9a 100644
--- a/config.mk
+++ b/config.mk
@@ -1,5 +1,5 @@
 # dwm version
-VERSION = 6.4
+VERSION = 6.5
 
 # Customize below to fit your system
 
diff --git a/dwm.c b/dwm.c
index 2550f66..fc940e1 100644
--- a/dwm.c
+++ b/dwm.c
@@ -2111,7 +2111,7 @@ updatebarpos(Monitor *m)
 }
 
 void
-updateclientlist()
+updateclientlist(void)
 {
 	Client *c;
 	Monitor *m;