diff --git a/lack-util.asd b/lack-util.asd
index 1e93e17..e43ec17 100644
--- a/lack-util.asd
+++ b/lack-util.asd
@@ -7,7 +7,6 @@
   :version "0.1"
   :author "Eitaro Fukamachi"
   :license "LLGPL"
-  :depends-on (:ironclad
-               :alexandria)
+  :depends-on (:ironclad)
   :components ((:file "src/util"))
   :in-order-to ((test-op (test-op t-lack-util))))
diff --git a/src/util.lisp b/src/util.lisp
index 9652315..1c9fce1 100644
--- a/src/util.lisp
+++ b/src/util.lisp
@@ -6,8 +6,6 @@
                 :byte-array-to-hex-string
                 :digest-sequence
                 :make-digest)
-  (:import-from :alexandria
-                :when-let)
   (:export :find-package-or-load
            :find-middleware
            :funcall-with-cb