diff --git a/configure.in b/configure.in
index 9d99a3f5..6e8ce9dd 100644
--- a/configure.in
+++ b/configure.in
@@ -116,12 +116,6 @@ CXXFLAGS="$CXXFLAGS $X_CFLAGS"
 LIBS="$LIBS $X_LIBS"
 LDFLAGS="$LDFLAGS $LIBS $X_PRE_LIBS"
 
-dnl Check for required functions in -lXau
-AC_CHECK_LIB(Xau, XauFileName,
-  LIBS="$LIBS -lXau",
-  AC_MSG_ERROR([Could not find XauFileName in -lXau.])
-)
-LIBS="$LIBS $X_EXTRA_LIBS"
 
 dnl Check for required functions in -lX11
 AC_CHECK_LIB(X11, XOpenDisplay,