diff --git a/fish/.config/fish/config.fish.backup b/fish/.config/fish/config.fish.backup
deleted file mode 100644
index d13813c..0000000
--- a/fish/.config/fish/config.fish.backup
+++ /dev/null
@@ -1,53 +0,0 @@
-if status is-interactive
-    # Commands to run in interactive sessions can go here
-    # Set default Node.js version
-    nvm use lts --silent
-    # Add uv to PATH
-    fish_add_path $HOME/.local/bin
-
-    # kitty integration 최적화
-    if test "$TERM" = xterm-kitty
-        # kitty shell integration 설정 (kssh 제외)
-        alias icat="kitty +kitten icat"
-        alias kdiff="kitty +kitten diff"
-
-        # 빠른 디렉토리 이동 (kitty의 프롬프트 마킹 활용)
-        bind \cg 'history | fzf | read -l result; and commandline $result'
-
-        # 파일 미리보기
-        alias preview="fzf --preview 'if test -d {}; eza -la {}; else; bat --color=always {}; end'"
-
-        # tmux 유틸리티 함수들
-        alias tm="tmux"
-        alias tma="tmux attach-session -t"
-        alias tmn="tmux new-session -s"
-        alias tml="tmux list-sessions"
-        alias tmk="tmux kill-session -t"
-
-        # kitten 유틸리티 alias들 (kssh 제외)
-        alias clipboard="kitty +kitten clipboard"
-        alias img="kitty +kitten icat"
-        alias unicode="kitty +kitten unicode_input"
-        alias hgrep="kitty +kitten hyperlinked_grep"
-
-        # 이미지 갤러리 함수 (간단한 alias로 변경)
-        alias imgls="find . -maxdepth 1 -type f \( -name '*.png' -o -name '*.jpg' -o -name '*.jpeg' -o -name '*.gif' -o -name '*.webp' \) | head -5 | xargs -I {} kitty +kitten icat --align center {}"
-    end
-end
-
-# Vault Configuration
-set -x VAULT_ADDR "https://vault.anvil.it.com"
-set -x VAULT_TOKEN "hvs.o7JrzES15uuXRmvlKAJKEaTv"
-
-# Cloudflare Configuration
-set -x CF_API_KEY (vault kv get -field=api_key secret/cloudflare 2>/dev/null || echo "")
-set -x CF_EMAIL (vault kv get -field=email secret/cloudflare 2>/dev/null || echo "")
-
-alias vi=nvim
-alias docker "limactl shell docker -- docker"
-alias podman "limactl shell podman -- podman"
-alias ss='netstat -an'
-
-# Set default editor for Claude Code /memory command
-set -Ux VISUAL nvim
-set -Ux EDITOR nvim