diff --git a/Makefile b/Makefile
index d268cdc..f4b76b0 100644
--- a/Makefile
+++ b/Makefile
@@ -22,4 +22,5 @@ deinstall:
 
 shellcheck:
 	shellcheck bin/portzap
-	shellcheck libexec/portzap/*
+	shellcheck libexec/portzap/utils/*
+	shellcheck libexec/portzap/commands/*
diff --git a/libexec/portzap/utils/git-changed-files b/libexec/portzap/utils/git-changed-files
index aa708cb..58f6fcb 100644
--- a/libexec/portzap/utils/git-changed-files
+++ b/libexec/portzap/utils/git-changed-files
@@ -3,7 +3,6 @@ set -e
 
 ##
 # variables
-localbase=${LOCALBASE:-$(realpath "$(dirname "$0")"/../../..)}
 git=$(which git)
 mode=u=rwX,g=rX,o=
 gitdir=$1
diff --git a/libexec/portzap/utils/git-removed-files b/libexec/portzap/utils/git-removed-files
index a3424e8..8a779e5 100644
--- a/libexec/portzap/utils/git-removed-files
+++ b/libexec/portzap/utils/git-removed-files
@@ -3,7 +3,6 @@ set -e
 
 ##
 # variables
-localbase=${LOCALBASE:-$(realpath "$(dirname "$0")"/../../..)}
 git=$(which git)
 mode=u=rwX,g=rX,o=
 gitdir=$1
diff --git a/libexec/portzap/utils/git-rev b/libexec/portzap/utils/git-rev
index 1784bc2..2a49568 100644
--- a/libexec/portzap/utils/git-rev
+++ b/libexec/portzap/utils/git-rev
@@ -3,7 +3,6 @@ set -e
 
 ##
 # variables
-localbase=${LOCALBASE:-$(realpath "$(dirname "$0")"/../../..)}
 git=$(which git)
 mode=u=rwX,g=rX,o=
 gitdir=$1
diff --git a/libexec/portzap/utils/isportzap-member b/libexec/portzap/utils/isportzap-member
index 4ce02cf..ff4d9c4 100644
--- a/libexec/portzap/utils/isportzap-member
+++ b/libexec/portzap/utils/isportzap-member
@@ -5,5 +5,5 @@ set -e
 # main
 group="_portzap"
 mygroups=$(id -Gn | tr ' ' '\n')
-anymatch=$(echo "${mygroups}" | grep -e "^${group}$")
+echo "${mygroups}" | grep -e "^${group}$"
 exit "${?}"