--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -1,6 +1,6 @@
 ## Process this file with automake to produce Makefile.in
 
-AM_CFLAGS = -Wall -O3 $(AVX_CFLAGS)
+AM_CFLAGS = $(AVX_CFLAGS)
 
 SUBDIRS = libnova elp
 
--- a/src/elp/Makefile.am
+++ b/src/elp/Makefile.am
@@ -1,6 +1,6 @@
 noinst_LTLIBRARIES = libelp.la
 
-AM_CFLAGS = -I ../ -Wall -O3 $(AVX_CFLAGS)
+AM_CFLAGS = -I ../ $(AVX_CFLAGS)
 
 libelp_la_SOURCES = \
 	elp1.c \
-- 
2.45.2