diff --git a/include/debug.mk b/include/debug.mk
index bec74d187a4fd44e50c10932f5706fdb4ff0a663..59a99c0f77d89e22b12e93eec168b7cd0341165a 100644
--- a/include/debug.mk
+++ b/include/debug.mk
@@ -1,4 +1,4 @@
-# 
+#
 # Copyright (C) 2007 OpenWrt.org
 #
 # This is free software, licensed under the GNU General Public License v2.
diff --git a/include/depends.mk b/include/depends.mk
index 14cdcdf7a7b1a74b586785edb010f09154db1dfe..53e5b1e5b2e713169b92a4b9b9c257b5b52df019 100644
--- a/include/depends.mk
+++ b/include/depends.mk
@@ -1,4 +1,4 @@
-# 
+#
 # Copyright (C) 2007 OpenWrt.org
 #
 # This is free software, licensed under the GNU General Public License v2.
diff --git a/include/host.mk b/include/host.mk
index f7368de85c2b6e8fe7e0059d23bdee1fa037b4b2..ec3ae276a429809acefa78ff4a719ea0ee7ff335 100644
--- a/include/host.mk
+++ b/include/host.mk
@@ -1,4 +1,4 @@
-# 
+#
 # Copyright (C) 2007-2015 OpenWrt.org
 #
 # This is free software, licensed under the GNU General Public License v2.
diff --git a/include/kernel.mk b/include/kernel.mk
index 9c3a04b635f4b59fc0023ba28001fccc42c170bc..6caf59389dc5711b0c960b99ff8c8c7b320083b8 100644
--- a/include/kernel.mk
+++ b/include/kernel.mk
@@ -1,4 +1,4 @@
-# 
+#
 # Copyright (C) 2006-2015 OpenWrt.org
 #
 # This is free software, licensed under the GNU General Public License v2.
diff --git a/include/netfilter.mk b/include/netfilter.mk
index e95744f7f1fd9f01ec9461b0a590654125db4fa0..f8b3504ecf3dee0439c64d679ccba4aa168be196 100644
--- a/include/netfilter.mk
+++ b/include/netfilter.mk
@@ -108,7 +108,7 @@ $(eval $(call nf_add,IPT_FILTER,CONFIG_NETFILTER_XT_MATCH_STRING, $(P_XT)xt_stri
 
 $(eval $(call nf_add,IPT_IPOPT,CONFIG_NETFILTER_XT_MATCH_DSCP, $(P_XT)xt_dscp))
 $(eval $(call nf_add,IPT_IPOPT,CONFIG_NETFILTER_XT_TARGET_DSCP, $(P_XT)xt_DSCP))
-$(eval $(call nf_add,IPT_HASHLIMIT,CONFIG_NETFILTER_XT_MATCH_HASHLIMIT, $(P_XT)xt_hashlimit)) 
+$(eval $(call nf_add,IPT_HASHLIMIT,CONFIG_NETFILTER_XT_MATCH_HASHLIMIT, $(P_XT)xt_hashlimit))
 $(eval $(call nf_add,IPT_IPOPT,CONFIG_NETFILTER_XT_MATCH_LENGTH, $(P_XT)xt_length))
 $(eval $(call nf_add,IPT_IPOPT,CONFIG_NETFILTER_XT_MATCH_STATISTIC, $(P_XT)xt_statistic))
 $(eval $(call nf_add,IPT_IPOPT,CONFIG_NETFILTER_XT_MATCH_TCPMSS, $(P_XT)xt_tcpmss))
@@ -261,7 +261,7 @@ $(eval $(call nf_add,IPT_LED,CONFIG_NETFILTER_XT_TARGET_LED, $(P_XT)xt_LED))
 
 $(eval $(call nf_add,IPT_TEE,CONFIG_NETFILTER_XT_TARGET_TEE, $(P_XT)xt_TEE))
 
-# u32 
+# u32
 
 $(eval $(call nf_add,IPT_U32,CONFIG_NETFILTER_XT_MATCH_U32, $(P_XT)xt_u32))
 
diff --git a/include/package-bin.mk b/include/package-bin.mk
index c6cb9caf41dfdc220178ffc4b9694aaff270ff3b..e5224517f8ebbb4b5c24b6a09c719f6abf08a514 100644
--- a/include/package-bin.mk
+++ b/include/package-bin.mk
@@ -1,4 +1,4 @@
-# 
+#
 # Copyright (C) 2007-2014 OpenWrt.org
 #
 # This is free software, licensed under the GNU General Public License v2.
diff --git a/include/package-defaults.mk b/include/package-defaults.mk
index e37ab88a310da6ef4dee35164b56d57d495c3bae..2896b4c7830dcd1e146362f7cdb79afc9834d79c 100644
--- a/include/package-defaults.mk
+++ b/include/package-defaults.mk
@@ -1,4 +1,4 @@
-# 
+#
 # Copyright (C) 2006 OpenWrt.org
 #
 # This is free software, licensed under the GNU General Public License v2.
diff --git a/include/package-dumpinfo.mk b/include/package-dumpinfo.mk
index b6e2f0f794d6fb2a977f5602cab1417e39b83eb6..5bc931e6ab06cbcf408c876824bd9f39d7bc60d3 100644
--- a/include/package-dumpinfo.mk
+++ b/include/package-dumpinfo.mk
@@ -1,4 +1,4 @@
-# 
+#
 # Copyright (C) 2006 OpenWrt.org
 #
 # This is free software, licensed under the GNU General Public License v2.
diff --git a/include/package.mk b/include/package.mk
index 435509e9dc61749754f4213dda8197a0f6dea7c7..5ad0e916591b69b8a1165fb88bf924f3ae0748ab 100644
--- a/include/package.mk
+++ b/include/package.mk
@@ -347,6 +347,6 @@ clean: clean-staging FORCE
 
 dist:
 	$(Build/Dist)
-   
+
 distcheck:
-	$(Build/DistCheck) 
+	$(Build/DistCheck)
diff --git a/include/prereq-build.mk b/include/prereq-build.mk
index 3f8f9870b3114def3ff0817492471350d8ee30ee..211201af3da1e0aaf85a2b3701f78c3bd0d6f499 100644
--- a/include/prereq-build.mk
+++ b/include/prereq-build.mk
@@ -1,4 +1,4 @@
-# 
+#
 # Copyright (C) 2006-2012 OpenWrt.org
 #
 # This is free software, licensed under the GNU General Public License v2.
diff --git a/include/prereq.mk b/include/prereq.mk
index 71ca96e8a78476010922929f06e02c2219fe5a54..33ac27823297b0ab86d98013aaeb8fc3f53321a7 100644
--- a/include/prereq.mk
+++ b/include/prereq.mk
@@ -1,4 +1,4 @@
-# 
+#
 # Copyright (C) 2006-2015 OpenWrt.org
 #
 # This is free software, licensed under the GNU General Public License v2.
@@ -62,7 +62,7 @@ define RequireHeader
   define Require/$(1)
     [ -e "$(1)" ]
   endef
-  
+
   $$(eval $$(call Require,$(1),$(2)))
 endef
 
diff --git a/include/quilt.mk b/include/quilt.mk
index 925b7a736bd83710331c4396b804d8593505e58f..3377eb105533fbbcf16144d121613ce59d42d680 100644
--- a/include/quilt.mk
+++ b/include/quilt.mk
@@ -1,4 +1,4 @@
-# 
+#
 # Copyright (C) 2007-2009 OpenWrt.org
 #
 # This is free software, licensed under the GNU General Public License v2.
diff --git a/include/shell.sh b/include/shell.sh
index 634beedcef3e17d351f440a765c251ae16f50737..6389304c24bdd7f798b3a71f957dbfaad9cfa3e5 100644
--- a/include/shell.sh
+++ b/include/shell.sh
@@ -32,6 +32,6 @@ trapret() {(
 md5s() {
 	cat "$@" | (
 		md5sum 2>/dev/null ||
-		md5 
+		md5
 	) | awk '{print $1}'
 }
diff --git a/include/subdir.mk b/include/subdir.mk
index aa905bcbd00a3f547ebe367041ce9b6b54ba66de..8dc9a78d7d437afd8f0264c05a8350323c45f399 100644
--- a/include/subdir.mk
+++ b/include/subdir.mk
@@ -1,4 +1,4 @@
-# 
+#
 # Copyright (C) 2007 OpenWrt.org
 #
 # This is free software, licensed under the GNU General Public License v2.
diff --git a/include/toolchain-build.mk b/include/toolchain-build.mk
index a86f6aba7719b78900af055e4be9bce4bae26093..212923a1e65f263ae9bf2f7513c925154c5702e8 100644
--- a/include/toolchain-build.mk
+++ b/include/toolchain-build.mk
@@ -1,4 +1,4 @@
-# 
+#
 # Copyright (C) 2009 OpenWrt.org
 #
 # This is free software, licensed under the GNU General Public License v2.
diff --git a/include/toplevel.mk b/include/toplevel.mk
index 2e13f623dcab8ae5a38e13148ce1481080a4c1d9..33baa86da92db66c0a502d2bc49a2fa02a656057 100644
--- a/include/toplevel.mk
+++ b/include/toplevel.mk
@@ -161,7 +161,7 @@ download: .config FORCE
 	@+$(SUBMAKE) target/download
 
 clean dirclean: .config
-	@+$(SUBMAKE) -r $@ 
+	@+$(SUBMAKE) -r $@
 
 prereq:: prepare-tmpinfo .config
 	@+$(NO_TRACE_MAKE) -r -s $@
diff --git a/include/unpack.mk b/include/unpack.mk
index 2d3586309516ae83f28d1d3a78e8e25e773b5993..3fabf460336b711a8e413927c901c8a581a7eb46 100644
--- a/include/unpack.mk
+++ b/include/unpack.mk
@@ -1,4 +1,4 @@
-# 
+#
 # Copyright (C) 2006-2007 OpenWrt.org
 #
 # This is free software, licensed under the GNU General Public License v2.
diff --git a/include/verbose.mk b/include/verbose.mk
index d34f55fc4867b8a5eb86f6b5daf2bf3f462264b0..90aab4c2f5a8b17307d61264b8350e2c79526364 100644
--- a/include/verbose.mk
+++ b/include/verbose.mk
@@ -1,4 +1,4 @@
-# 
+#
 # Copyright (C) 2006 OpenWrt.org
 #
 # This is free software, licensed under the GNU General Public License v2.