1 files changed, 0 insertions, 1 deletions

diff --git a/t/lex5.sh b/t/lex5.sh
index 13c8239e5..232f77dba 100644
--- a/t/lex5.sh
+++ b/t/lex5.sh
@@ -21,7 +21,6 @@ required='cc lex'
 
 cat >> configure.ac << 'END'
 AC_PROG_CC
-AM_PROG_CC_C_O
 AM_PROG_LEX
 AC_OUTPUT
 END