diff --git a/configure.in b/configure.in
index e1ec29813..78d537c38 100755
--- a/configure.in
+++ b/configure.in
@@ -1510,7 +1510,6 @@ AC_OBJEXT
 AC_EXEEXT
 
 AC_SUBST(precompile_headers)
-AC_SUBST(CXX_DEPENDS)
 AC_SUBST(FLIBS)
 AC_SUBST(OS_IS_DARWIN)
 AC_SUBST(OS_IS_WIN)