diff --git a/worktree/_worktree b/worktree/_worktree
index 1f19607..759494d 100644
--- a/worktree/_worktree
+++ b/worktree/_worktree
@@ -21,6 +21,9 @@ __worktree_active_branches() {
   local -a branches
   branches=(${(fo)"$(git worktree list --porcelain 2>/dev/null | \
     awk '/^worktree /{ wt++ } wt>1 && /^branch refs\/heads\//{ sub(/^branch refs\/heads\//, ""); print }')"})
+  # Skip branches already given elsewhere on the command line.
+  local -a typed=(${words[1,CURRENT-1]} ${words[CURRENT+1,-1]})
+  branches=(${branches:|typed})
   _describe 'branch' branches
 }
 
@@ -72,7 +75,8 @@ _worktree() {
         (rm|remove)
           _arguments \
             '(-f --force)'{-f,--force}'[Force removal even with modified or untracked files]' \
-            '*:: :__worktree_active_branches'
+            '(-d --delete-branch)'{-d,--delete-branch}'[Also delete the branch]' \
+            '*: :__worktree_active_branches'
           ;;
         (sync)
           _arguments '*:: :__worktree_active_branches'
diff --git a/worktree/worktree.plugin.zsh b/worktree/worktree.plugin.zsh
index ce98860..d6dea46 100644
--- a/worktree/worktree.plugin.zsh
+++ b/worktree/worktree.plugin.zsh
@@ -91,7 +91,8 @@ worktree() {
        worktree find [-i] <glob>
 
 Manage git worktrees by branch name. A new branch starts from <start-point>,
-e.g. other/main, or origin/main by default."
+e.g. other/main, or origin/main by default. remove -d also deletes the branch,
+which must be merged unless -f is given."
     return 0
   fi
 
@@ -289,11 +290,13 @@ e.g. other/main, or origin/main by default."
 
     rm|remove)
       local force=0
+      local delete_branch=0
       local branches=()
       local arg
       for arg in "${@:2}"; do
         case "$arg" in
           -f|--force) force=1 ;;
+          -d|--delete-branch) delete_branch=1 ;;
           *) branches+=("$arg") ;;
         esac
       done
@@ -346,6 +349,14 @@ e.g. other/main, or origin/main by default."
           rmdir "$parent" 2>/dev/null || break
           parent=${parent:h}
         done
+        if (( delete_branch )); then
+          # An unmerged branch is only deleted with --force.
+          if (( force )); then
+            git branch -D "$branch" || failed=1
+          else
+            git branch -d "$branch" || failed=1
+          fi
+        fi
       done
       return $failed
       ;;