diff --git a/configure.ac b/configure.ac
index 006537c3..6ec0bd89 100644
--- a/configure.ac
+++ b/configure.ac
@@ -211,7 +211,6 @@ AC_PROG_MAKE_SET
 dnl Add libtool support.
 AC_LIBTOOL_WIN32_DLL
 AC_LIBTOOL_RC
-AC_LIBTOOL_DLOPEN
 AC_PROG_LIBTOOL
 
 dnl These required for svn checkout