--- fzy-0.9/Makefile
+++ fzy-0.9/Makefile
@@ -1,7 +1,7 @@
 VERSION=0.9
 
 CPPFLAGS=-DVERSION=\"${VERSION}\" -D_GNU_SOURCE
-CFLAGS+=-Wall -Wextra -g -std=c99 -O3 -pedantic -Ideps
+CFLAGS+=-Wall -Wextra -std=c99 -pedantic -Ideps
 PREFIX?=/usr/local
 MANDIR?=$(PREFIX)/share/man
 BINDIR?=$(PREFIX)/bin