diff --git a/kernel.spec b/kernel.spec
index a355867..5a5cd3f 100644
--- a/kernel.spec
+++ b/kernel.spec
@@ -1238,7 +1238,8 @@ BuildKernel() {
 	%smake INSTALL_MOD_PATH=%{temp_root} KERNELRELEASE=$KernelVer modules_install
 
 	# headers	
-	%make INSTALL_HDR_PATH=%{temp_root}%_prefix KERNELRELEASE=$KernelVer headers_install
+	%make INSTALL_HDR_PATH=%{temp_root}%{_prefix} KERNELRELEASE=$KernelVer headers_install
+	find %{temp_root}%{_prefix} -name .install -or -name ..install.cmd | %kxargs rm -f
 
 	# remove /lib/firmware, we use a separate kernel-firmware
 	rm -rf %{temp_root}/lib/firmware
@@ -1789,6 +1790,9 @@ rm -rf %{target_source}/.tmp_depmod/
 #endif %build_source
 %endif
 
+# Remove .install and ..install.cmd files from this directory tree too.
+find %{target_source}/include -name .install -or -name ..install.cmd | %kxargs rm -f
+
 # compressing modules
 %if %{build_modxz}
 find %{target_modules} -name "*.ko" | %kxargs xz -6e