diff --git a/.emacs.d/abbrev_defs b/.emacs.d/abbrev_defs
index 557f0fb6..70f715e0 100644
--- a/.emacs.d/abbrev_defs
+++ b/.emacs.d/abbrev_defs
@@ -90,11 +90,7 @@
 
 (define-abbrev-table 'sgml-mode-abbrev-table '())
 
-(define-abbrev-table 'sh-mode-abbrev-table
-  '(
-    ("/null" "" sh-redirect-to-null 0)
-    ("null" "" sh-redirect-to-null 2)
-   ))
+(define-abbrev-table 'sh-mode-abbrev-table '())
 
 (define-abbrev-table 'shell-mode-abbrev-table '())
 
diff --git a/.scripts/sessionclean b/.scripts/sessionclean
index 8de4bb90..3f218cda 100755
--- a/.scripts/sessionclean
+++ b/.scripts/sessionclean
@@ -11,12 +11,11 @@ EOF
 fi
 
 if command -v emacsclient >/dev/null 2>&1; then
-    if emacsclient -e '(kill-emacs)'; then
+    if emacsclient -e '(kill-emacs)' >/dev/null 2>&1; then
         echo "Emacs terminated." >&2
     fi
 fi
-
-if [ -n "$SSH_AGENT_PID" ]; then
-    echo "SSH" >&2
+if [ -S "$SSH_AUTH_SOCK" ]; then
+    echo "SSH agent terminated." >&2
     eval "$(ssh-agent -k)"
-fi
\ No newline at end of file
+fi