diff --git a/GNUmakefile.am b/GNUmakefile.am
index 58e8aecd1..da6a7db98 100644
--- a/GNUmakefile.am
+++ b/GNUmakefile.am
@@ -1,6 +1,6 @@
 ACLOCAL_AMFLAGS = ${ACLOCAL_FLAGS} -I m4 -I script
 
-AM_COPT = -Wall -O2
+AM_COPT =
 AM_COVLDFLAGS =
 
 if ENABLE_COVERAGE