diff --git a/tools/Makefile.unix b/tools/Makefile.unix
index 6f0e00c74da..10284dc4e4c 100644
--- a/tools/Makefile.unix
+++ b/tools/Makefile.unix
@@ -117,7 +117,7 @@ LINKLIBS = $(patsubst staging/%,%,$(NUTTXLIBS))
 # Export tool definitions
 
 MKEXPORT= tools/mkexport.sh
-MKEXPORT_ARGS = -w$(CONFIG_CYGWIN_WINTOOL) -t "$(TOPDIR)" -b "$(BOARD_DIR)"
+MKEXPORT_ARGS = -t "$(TOPDIR)" -b "$(BOARD_DIR)"
 
 ifneq ($(CONFIG_BUILD_FLAT),y)
 MKEXPORT_ARGS += -u
diff --git a/tools/Makefile.win b/tools/Makefile.win
index 4c55deb8736..38eb3f109a5 100644
--- a/tools/Makefile.win
+++ b/tools/Makefile.win
@@ -102,7 +102,7 @@ LINKLIBS = $(patsubst staging\\%,%,$(NUTTXLIBS))
 # Export tool definitions
 
 MKEXPORT = tools\mkexport.bat
-MKEXPORT_ARGS = -w$(CONFIG_CYGWIN_WINTOOL) -t "$(TOPDIR)"
+MKEXPORT_ARGS = -t "$(TOPDIR)"
 
 ifneq ($(CONFIG_BUILD_FLAT),y)
 MKEXPORT_ARGS += -u