diff --git a/wmframepic/configure.ac b/wmframepic/configure.ac
index 616f121..a4308f7 100644
--- a/wmframepic/configure.ac
+++ b/wmframepic/configure.ac
@@ -3,9 +3,6 @@ AC_CONFIG_SRCDIR([src/main.c])
 AM_INIT_AUTOMAKE
 
 AC_PROG_CC
-AM_PROG_CC_C_O
 
 AC_CONFIG_FILES([Makefile src/Makefile])
 AC_OUTPUT
-
-AM_PROG_CC_C_O