diff --git a/src/babashka/impl/clojure/stacktrace.clj b/src/babashka/impl/clojure/stacktrace.clj
index a220fd88..e2bbd8ff 100644
--- a/src/babashka/impl/clojure/stacktrace.clj
+++ b/src/babashka/impl/clojure/stacktrace.clj
@@ -78,11 +78,4 @@
    (print-stack-trace tr n)
    (when-let [cause (.getCause tr)]
      (print "Caused by: " )
-     (recur cause n))))
-
-(defn e
-  "REPL utility.  Prints a brief stack trace for the root cause of the
-  most recent exception."
-  {:added "1.1"}
-  []
-  (print-stack-trace (root-cause *e) 8))
+     (recur cause n))))
\ No newline at end of file
diff --git a/src/babashka/impl/exceptions.clj b/src/babashka/impl/exceptions.clj
index 2d0dc9fd..b0c882ca 100644
--- a/src/babashka/impl/exceptions.clj
+++ b/src/babashka/impl/exceptions.clj
@@ -1,7 +1 @@
-(ns babashka.impl.exceptions)
-
-(def exception-bindings
-  {'ArithmeticException ArithmeticException
-   'java.lang.ArithmeticException ArithmeticException
-   'java.lang.AssertionError AssertionError
-   'AssertionError AssertionError})
+(ns babashka.impl.exceptions)
\ No newline at end of file
diff --git a/src/babashka/impl/socket_repl.clj b/src/babashka/impl/socket_repl.clj
index a18025b9..c18458d3 100644
--- a/src/babashka/impl/socket_repl.clj
+++ b/src/babashka/impl/socket_repl.clj
@@ -27,7 +27,6 @@
   (server/stop-server))
 
 (comment
-  (def sock (start-repl! "0.0.0.0:1666" {:env (atom {})}))
   @#'server/servers
   (stop-repl!)
   )