diff --git a/sh/main.sh b/sh/main.sh
index 83f0705..4925099 100644
--- a/sh/main.sh
+++ b/sh/main.sh
@@ -90,16 +90,6 @@ main_source_directory() {
 	_sh_ifs_pop
 }
 
-main_source_file() {
-	local path="${1}"
-	if [ -f "${path}" ]; then
-		main_source_directory "$(dirname "${path}")"
-	else
-		_sh_main_log "Not a file: ${path}"
-		return 1
-	fi
-}
-
 # public
 
 sh_help() {
@@ -110,10 +100,10 @@ sh_help() {
 }
 
 sh_main() {
-	main_source_file "${ENV}"
+	main_source_directory "${SH_ROOT}"
 	main_source_directory "${SH_USER}"
 	sh_log
-	sh_shellcheck "$(dirname "${ENV}")"
+	sh_shellcheck "${SH_ROOT}"
 	sh_log
 	sh_help
 }