diff --git a/src/Makefile b/src/Makefile
index f8baaed..082ee73 100644
--- a/src/Makefile
+++ b/src/Makefile
@@ -57,12 +57,12 @@ ifdef HAVE_NSS
 NSS_LDFLAGS = `pkg-config --libs nss`
 endif
 
-CFLAGS = -c -Wall -O2 -fomit-frame-pointer -I/usr/local/include $(HAVE_NSS) $(OMPFLAGS) $(JOHN_CFLAGS) $(AMDAPP)
+CFLAGS = -c -Wall -g -fomit-frame-pointer -I/usr/local/include $(HAVE_NSS) $(OMPFLAGS) $(JOHN_CFLAGS) $(AMDAPP)
 # -DHAVE_SKEY
 # CFLAGS for use on the main john.c file only
 CFLAGS_MAIN = $(CFLAGS)
 ASFLAGS = -c $(JOHN_CFLAGS) $(OMPFLAGS)
-LDFLAGS = -s -L/usr/local/lib -L/usr/local/ssl/lib -lssl -lcrypto -lm -lz $(JOHN_CFLAGS) $(OMPFLAGS) $(NSS_LDFLAGS)
+LDFLAGS = -L/usr/local/lib -L/usr/local/ssl/lib -lssl -lcrypto -lm -lz $(JOHN_CFLAGS) $(OMPFLAGS) $(NSS_LDFLAGS)
 # -lskey
 LDFLAGS_SOLARIS = -lrt -lnsl -lsocket -lm -lz -lcrypto -lssl
 LDFLAGS_MKV = -s -lm