diff --git a/PKGBUILD b/PKGBUILD
index e71ea88..66f3c10 100644
--- a/PKGBUILD
+++ b/PKGBUILD
@@ -150,7 +150,7 @@ _package() {
   mv "${pkgdir}/lib" "${pkgdir}/usr/"
 
   # add vmlinux
-  install -D -m644 vmlinux "${pkgdir}/usr/lib/modules/${_kernver}/build/vmlinux" 
+  install -D -m644 vmlinux "${pkgdir}/usr/lib/modules/${_kernver}/build/vmlinux"
 }
 
 _package-headers() {
@@ -254,7 +254,7 @@ _package-headers() {
   # add objtool for external module building and enabled VALIDATION_STACK option
   if [ -f tools/objtool/objtool ];  then
       mkdir -p "${pkgdir}/usr/lib/modules/${_kernver}/build/tools/objtool"
-      cp -a tools/objtool/objtool ${pkgdir}/usr/lib/modules/${_kernver}/build/tools/objtool/ 
+      cp -a tools/objtool/objtool ${pkgdir}/usr/lib/modules/${_kernver}/build/tools/objtool/
   fi
 
   chown -R root.root "${pkgdir}/usr/lib/modules/${_kernver}/build"
@@ -274,7 +274,7 @@ _package-headers() {
 
   # remove unneeded architectures
   rm -rf "${pkgdir}"/usr/lib/modules/${_kernver}/build/arch/{alpha,arc,arm,arm26,arm64,avr32,blackfin,c6x,cris,frv,h8300,hexagon,ia64,m32r,m68k,m68knommu,metag,mips,microblaze,mn10300,openrisc,parisc,powerpc,ppc,s390,score,sh,sh64,sparc,sparc64,tile,unicore32,um,v850,xtensa}
-  
+
   # remove a files already in linux-docs package
   rm -f "${pkgdir}/usr/lib/modules/${_kernver}/build/Documentation/kbuild/Kconfig.recursion-issue-01"
   rm -f "${pkgdir}/usr/lib/modules/${_kernver}/build/Documentation/kbuild/Kconfig.recursion-issue-02"