diff --git a/tools/Makefile.unix b/tools/Makefile.unix
index f71e91a248c..a668447d9b3 100644
--- a/tools/Makefile.unix
+++ b/tools/Makefile.unix
@@ -387,6 +387,7 @@ clean_context:
 			$(MAKE) -C $$dir TOPDIR="$(TOPDIR)" clean_context ; \
 		fi \
 	done
+	$(call DELFILE, include/float.h)
 	$(call DELFILE, include/math.h)
 	$(call DELFILE, include/stdarg.h)
 	$(call DELFILE, include/setjmp.h)
@@ -612,6 +613,7 @@ clean: subdir_clean
 	$(call DELDIR, nuttx-export*)
 	$(call DELFILE, nuttx_user*)
 	$(call DELDIR, staging)
+	$(call DELFILE, uImage)
 	$(call CLEAN)
 
 subdir_distclean:
@@ -629,8 +631,10 @@ endif
 	$(call DELFILE, include/nuttx/version.h)
 	$(call DELFILE, Make.defs)
 	$(call DELFILE, defconfig)
+	$(call DELFILE, defconfig.tmp-e)
 	$(call DELFILE, .config)
 	$(call DELFILE, .config.old)
+	$(call DELFILE, .config-e)
 	$(call DELFILE, .gdbinit)
 	$(Q) $(DIRUNLINK) include/arch/board
 	$(Q) $(DIRUNLINK) include/arch/chip
diff --git a/tools/Makefile.win b/tools/Makefile.win
index 12f6d057045..1b987339b42 100644
--- a/tools/Makefile.win
+++ b/tools/Makefile.win
@@ -399,6 +399,7 @@ clean_context:
 	$(Q) for %%G in ($(CCLEANDIRS)) do ( if exist %%G\Makefile $(MAKE) -C %%G TOPDIR="$(TOPDIR)" clean_context )
 	$(call DELFILE, include\nuttx\config.h)
 	$(call DELFILE, include\nuttx\version.h)
+	$(call DELFILE, include\float.h)
 	$(call DELFILE, include\math.h)
 	$(call DELFILE, include\stdarg.h)
 	$(call DELFILE, include\setjmp.h)
@@ -590,6 +591,7 @@ clean: subdir_clean
 	$(call DELFILE, nuttx_user*)
 	$(call DELFILE, .gdbinit)
 	$(call DELDIR, staging)
+	$(call DELFILE, uImage)
 	$(call CLEAN)
 
 subdir_distclean:
@@ -601,8 +603,10 @@ ifeq ($(CONFIG_BUILD_2PASS),y)
 endif
 	$(call DELFILE, Make.defs)
 	$(call DELFILE, defconfig)
+	$(call DELFILE, defconfig.tmp-e)
 	$(call DELFILE, .config)
 	$(call DELFILE, .config.old)
+	$(call DELFILE, .config-e)
 	$(call DELDIR, include\arch\board)
 	$(call DELDIR, include\arch\chip)
 	$(call DELDIR, include\arch)