diff --git a/core/prelude-editor.el b/core/prelude-editor.el
index da25677..c833c9c 100644
--- a/core/prelude-editor.el
+++ b/core/prelude-editor.el
@@ -253,12 +253,6 @@ The body of the advice is in BODY."
 (global-set-key (kbd "M-%") 'anzu-query-replace)
 (global-set-key (kbd "C-M-%") 'anzu-query-replace-regexp)
 
-;; shorter aliases for ack-and-a-half commands
-(defalias 'ack 'ack-and-a-half)
-(defalias 'ack-same 'ack-and-a-half-same)
-(defalias 'ack-find-file 'ack-and-a-half-find-file)
-(defalias 'ack-find-file-same 'ack-and-a-half-find-file-same)
-
 ;; dired - reuse current buffer by pressing 'a'
 (put 'dired-find-alternate-file 'disabled nil)
 
diff --git a/core/prelude-packages.el b/core/prelude-packages.el
index 10861e6..8eec9dc 100644
--- a/core/prelude-packages.el
+++ b/core/prelude-packages.el
@@ -45,7 +45,6 @@
   '(ace-jump-mode
     ace-jump-buffer
     ace-window
-    ack-and-a-half
     anzu
     browse-kill-ring
     dash
diff --git a/utils/installer.sh b/utils/installer.sh
index cae096a..801ece2 100755
--- a/utils/installer.sh
+++ b/utils/installer.sh
@@ -175,14 +175,6 @@ else
     printf "$RED not found. Install aspell to benefit from flyspell-mode!$RESET\n"
 fi
 
-printf  "$CYAN Checking to see if ack is installed... "
-if hash ack 2>&- || hash ack-grep 2>&-
-then
-    printf "$GREEN found.$RESET\n"
-else
-    printf "$RED not found. You'll need it to use ack-and-a-half!$RESET\n"
-fi
-
 ### Check emacs version
 if [ $(emacs --version 2>/dev/null | sed -n 's/.*[^0-9.]\([0-9]*\.[0-9.]*\).*/\1/p;q' | sed 's/\..*//g') -lt 24 ]
 then