diff --git a/include/debug.mk b/include/debug.mk
index bec74d187a4..59a99c0f77d 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 14cdcdf7a7b..53e5b1e5b2e 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 f7368de85c2..ec3ae276a42 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 9c3a04b635f..6caf59389dc 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 e95744f7f1f..f8b3504ecf3 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 c6cb9caf41d..e5224517f8e 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 e37ab88a310..2896b4c7830 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 b6e2f0f794d..5bc931e6ab0 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 435509e9dc6..5ad0e916591 100644
--- a/include/package.mk
+++ b/include/package.mk
@@ -347,6 +347,6 @@ clean: clean-staging FORCE
 
 dist:
 	$(Build/Dist)
-   
+
 distcheck:
-	$(Build/DistCheck) 
+	$(Build/DistCheck)
diff --git a/include/prereq-build.mk b/include/prereq-build.mk
index 3f8f9870b31..211201af3da 100644
--- a/include/prereq-build.mk
+++ b/include/prereq-build.mk
@@ -1,4 +1,4 @@
-# 
+#
 # Copyright (C) 2006-2012 OpenWrt.org
 #
 # This is free software, licensed under the GNU General Public License v2.
diff --git a/include/prereq.mk b/include/prereq.mk
index 71ca96e8a78..33ac2782329 100644
--- a/include/prereq.mk
+++ b/include/prereq.mk
@@ -1,4 +1,4 @@
-# 
+#
 # Copyright (C) 2006-2015 OpenWrt.org
 #
 # This is free software, licensed under the GNU General Public License v2.
@@ -62,7 +62,7 @@ define RequireHeader
   define Require/$(1)
     [ -e "$(1)" ]
   endef
-  
+
   $$(eval $$(call Require,$(1),$(2)))
 endef
 
diff --git a/include/quilt.mk b/include/quilt.mk
index 925b7a736bd..3377eb10553 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 634beedcef3..6389304c24b 100644
--- a/include/shell.sh
+++ b/include/shell.sh
@@ -32,6 +32,6 @@ trapret() {(
 md5s() {
 	cat "$@" | (
 		md5sum 2>/dev/null ||
-		md5 
+		md5
 	) | awk '{print $1}'
 }
diff --git a/include/subdir.mk b/include/subdir.mk
index aa905bcbd00..8dc9a78d7d4 100644
--- a/include/subdir.mk
+++ b/include/subdir.mk
@@ -1,4 +1,4 @@
-# 
+#
 # Copyright (C) 2007 OpenWrt.org
 #
 # This is free software, licensed under the GNU General Public License v2.
diff --git a/include/toolchain-build.mk b/include/toolchain-build.mk
index a86f6aba771..212923a1e65 100644
--- a/include/toolchain-build.mk
+++ b/include/toolchain-build.mk
@@ -1,4 +1,4 @@
-# 
+#
 # Copyright (C) 2009 OpenWrt.org
 #
 # This is free software, licensed under the GNU General Public License v2.
diff --git a/include/toplevel.mk b/include/toplevel.mk
index 2e13f623dca..33baa86da92 100644
--- a/include/toplevel.mk
+++ b/include/toplevel.mk
@@ -161,7 +161,7 @@ download: .config FORCE
 	@+$(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 2d358630951..3fabf460336 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 d34f55fc486..90aab4c2f5a 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.