diff --git a/git/gitconfig b/git/gitconfig
index a238783..6bc9c02 100644
--- a/git/gitconfig
+++ b/git/gitconfig
@@ -3,6 +3,7 @@
     ui = auto
 [alias]
     st = status
+    bi = bisect
     ci = commit
     co = checkout
     di = diff
@@ -32,9 +33,10 @@
 
     todo = grep --heading --break --ignore-case -e ' FIX: *' -e ' TODO: *'
     pr = "!source ~/.githelpers && get_pr"
+    prd = "!source ~/.githelpers && del_pr"
 [merge]
     tool = vimdiff
-    ff = false
+    ff = true
 [push]
     default = current
 [branch]
diff --git a/git/githelpers b/git/githelpers
index 75df5cc..f7682a0 100644
--- a/git/githelpers
+++ b/git/githelpers
@@ -53,4 +53,10 @@ get_pr() {
     : ${REMOTE:="upstream"}
     git fetch ${REMOTE} pull/${1}/head:pr/${1}
     git checkout pr/${1}
-}
\ No newline at end of file
+}
+
+del_pr() {
+    BRANCH=`git rev-parse --abbrev-ref HEAD`
+    git checkout - && git branch -D ${BRANCH}
+}
+