diff --git a/configure.ac b/configure.ac
index 588c9c0..4f17aee 100644
--- a/configure.ac
+++ b/configure.ac
@@ -13,7 +13,6 @@ m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])])
 
 AC_PROG_CC
 AM_PROG_CC_C_O
-AC_EXEEXT
 AC_DISABLE_STATIC
 AM_PROG_LIBTOOL
 AC_PROG_INSTALL