diff --git a/configure.ac b/configure.ac
index 2ca3247f11..502fb2e36b 100644
--- a/configure.ac
+++ b/configure.ac
@@ -3384,11 +3384,9 @@ AG_GST_CHECK_FEATURE(WEBRTCDSP, [WebRTC Audio Processing], webrtcdsp, [
 
   AC_LANG_PUSH([C++])
   old_CPPFLAGS=$CPPFLAGS
-  old_LDFLAGS=$GNUSTL_LIBS
   CPPFLAGS="-std=c++11 $CPPFLAGS $GNUSTL_CFLAGS"
   AC_CHECK_HEADER([vector],[],[HAVE_WEBRTCDSP=no])
   CPPFLAGS=$old_CPPFLAGS
-  LDFLAGS=$old_LDFLAGS
   AC_LANG_POP([C++])
 ])