diff --git a/libstdc++-v3/mkcheck.in b/libstdc++-v3/mkcheck.in
index bbcb2a64f81..b7cf25acfc2 100755
--- a/libstdc++-v3/mkcheck.in
+++ b/libstdc++-v3/mkcheck.in
@@ -54,7 +54,7 @@ fi
 
 # INC_PATH == include path to new headers for use on gcc command-line
 if [ $WHICH != "1" ]; then
-  INC_PATH="@CSHADOWFLAGS@ @CSHADOW_INCLUDES@ -I$BUILD_DIR -I$BUILD_DIR/libio -I$SRC_DIR/@ctype_include_dir@ -I$SRC_DIR/@cpu_include_dir@  -I$SRC_DIR/std -I$SRC_DIR -I$SRC_DIR/libio"
+  INC_PATH="@CSHADOWFLAGS@ -I$BUILD_DIR -I$BUILD_DIR/libio -I$SRC_DIR/@ctype_include_dir@ -I$SRC_DIR/@cpu_include_dir@  -I$SRC_DIR/std -I$SRC_DIR -I$SRC_DIR/libio"
 elif [ $WHICH -eq 1 ]; then
   INC_PATH=""
 fi