diff --git a/src/template/aix_42 b/src/template/aix_42
index b7bc5ba2a8fe63803887da93e324c291cb3cc629..23500123322b4e6b07b2b520736d8ff40408da00 100644
--- a/src/template/aix_42
+++ b/src/template/aix_42
@@ -1,5 +1,5 @@
 AROPT:crs
-CFLAGS:-O2 -qmaxmem=16384 -qhalt=w -qsrcmsg -qlanglvl=extended -qlonglong
+CFLAGS:-qmaxmem=16384 -qhalt=w -qsrcmsg -qlanglvl=extended -qlonglong
 SHARED_LIB:-lc
 ALL:
 SRCH_INC: