diff --git a/vim/circuit.vim b/vim/circuit.vim
deleted file mode 100644
index 42ea519..0000000
--- a/vim/circuit.vim
+++ /dev/null
@@ -1,13 +0,0 @@
-augroup latex_circuitikz_abbr
-    iabbrev <buffer> ctikz <Esc>i\begin{circuitikz}<CR><CR>\end{circuitikz}<Esc>ki
-    iabbrev <buffer> tobatt <Esc>ato [battery2, invert, v={$E$}]<Esc>a
-    iabbrev <buffer> tores <Esc>ato [R={$R$}]<Esc>a
-    iabbrev <buffer> toslo <Esc>ato [short, o-]<Esc>a
-    iabbrev <buffer> toslc <Esc>ato [short, *-]<Esc>a
-    iabbrev <buffer> tosro <Esc>ato [short, -o]<Esc>a
-    iabbrev <buffer> tosrc <Esc>ato [short, -*]<Esc>a
-    iabbrev <buffer> ndl <Esc>anode[left]{.}<Esc>5hf.vc
-    iabbrev <buffer> ndr <Esc>anode[right]{.}<Esc>5hf.vc
-    iabbrev <buffer> ndc <Esc>anode{.}<Esc>5hf.vc
-    iabbrev <buffer> ohm <Esc>a\Omega<Esc>a
-augroup END
diff --git a/vim/generic-envs.vim b/vim/generic-envs.vim
deleted file mode 100644
index a47caa7..0000000
--- a/vim/generic-envs.vim
+++ /dev/null
@@ -1,11 +0,0 @@
-augroup latex_generic_envs_abbr
-    iabbrev <buffer> emptyenv <Esc>i\begin{}<CR><CR>\end{}<Esc>k
-    iabbrev <buffer> ugather <Esc>i\begin{gather*}<CR><CR>\end{gather*}<Esc>k
-    iabbrev <buffer> uequi <Esc>i\begin{equation*}<CR><CR>\end{equation*}<Esc>k
-    iabbrev <buffer> equi <Esc>i\begin{equation}<CR><CR>\end{equation}<Esc>k
-    iabbrev <buffer> centerenv <Esc>i\begin{center}<CR><CR>\end{center}<Esc>k
-    iabbrev <buffer> codelsenv <Esc>i\begin{lstlisting}[language=.,title={.}]<CR><CR>\end{lstlisting}<Esc>2k0f.vc
-    iabbrev <buffer> itemenv <Esc>i\begin{itemize}<CR><CR>\end{itemize}<Esc>k
-    iabbrev <buffer> enumenv <Esc>i\begin{enumerate}<CR><CR>\end{enumerate}<Esc>k
-    iabbrev <buffer> figenv <Esc>i\begin{figure}[tbh]<CR>\centering<CR><CR>\caption{}<CR>\end{figure}<Esc>k
-augroup END
diff --git a/vim/generic.vim b/vim/generic.vim
deleted file mode 100644
index 537112e..0000000
--- a/vim/generic.vim
+++ /dev/null
@@ -1,54 +0,0 @@
-augroup latex_generic_abbr
-    iabbrev <buffer> trm <Esc>a\textrm{}<Esc><Left>a
-    iabbrev <buffer> ttt <Esc>a\texttt{}<Esc><Left>a
-    iabbrev <buffer> tbf <Esc>a\textbf{}<Esc><Left>a
-    iabbrev <buffer> tit <Esc>a\textit{}<Esc><Left>a
-    iabbrev <buffer> sec <Esc>a\section{.}<Esc>3hf.vc
-    iabbrev <buffer> ssec <Esc>a\subsection{.}<Esc>3hf.vc
-    iabbrev <buffer> inm <Esc>a$$<Esc><Left>a
-    iabbrev <buffer> m/ <Esc>a\frac{}{}<Esc>3ha
-    iabbrev <buffer> mpl <Esc>a\left(<Esc>a
-    iabbrev <buffer> mpr <Esc>a\right)<Esc>a
-    iabbrev <buffer> minv <Esc>a\frac{1}{.}<Esc>3hf.vc
-augroup END
-
-function! Simpletexbang()
-    let l:name = input("Name: ")
-    let l:title = input("Title: ")
-    let l:todayYear = strftime('%Y')
-    let l:todayMonth = strftime('%m')
-    let l:todayDay = strftime('%d')
-    execute "normal i\\documentclass[xelatex,a4paper,11pt,ja=standard]{bxjsarticle}\n\n\\usepackage{tex/preamble}\n\\usepackage{tex/simple-title}\n\n"
-    execute "normal i\\reportauthor{" . l:name . "}\n"
-    execute "normal i\\reporttitle{" . l:title . "}\n"
-    execute "normal i\\reportdate{" . l:todayYear . "年}{" . l:todayMonth . "月}{" . l:todayDay . "日}\n"
-    execute "normal i\\turnindate{年}{月}{日}\n\n\\begin{document}\\end{document}"
-    execute "normal 02f{bhi\n\\simpletitle\n"
-endfunction
-
-function! Detailedtexbang()
-    let l:name = input("Name: ")
-    let l:id = input("Student ID: ")
-    let l:seat = input("Seating Number: ")
-    let l:title = input("Title: ")
-    let l:school = input("School: ")
-    let l:dep = input("Department: ")
-    let l:subj = input("Subject: ")
-    let l:prof = input("Professor Name: ")
-    let l:todayYear = strftime('%Y')
-    let l:todayMonth = strftime('%m')
-    let l:todayDay = strftime('%d')
-    execute "normal i\\documentclass[xelatex,a4paper,11pt,ja=standard]{bxjsarticle}\n\n\\usepackage{tex/preamble}\n\\usepackage{tex/detailed-title}\n\n"
-    execute "normal i\\reportauthor{" . l:name . "}\n"
-    execute "normal i\\reporttitle{" . l:title . "}\n"
-    execute "normal i\\reportdate{" . l:todayYear . "年}{" . l:todayMonth . "月}{" . l:todayDay . "日}\n"
-    execute "normal i\\turnindate{年}{月}{日}\n"
-    execute "normal i\\schoolname{" . l:school . "}\n"
-    execute "normal i\\department{" . l:dep . "}\n"
-    execute "normal i\\subject{" . l:subj . "}\n"
-    execute "normal i\\professor{" . l:prof . "}\n"
-    execute "normal i\\studentid{" . l:id . "}\n"
-    execute "normal i\\seatingnum{" . l:seat . "}\n"
-    execute "normal i\n\\begin{document}\\end{document}"
-    execute "normal 02f{bhi\n\\detailedtitle\n"
-endfunction
diff --git a/vim/info-proc.vim b/vim/info-proc.vim
deleted file mode 100644
index 5773a78..0000000
--- a/vim/info-proc.vim
+++ /dev/null
@@ -1,3 +0,0 @@
-augroup latex_info_procs_abbr
-    iabbrev <buffer> cas <Esc>i\section{.}<CR><CR><CR><CR>\lstinputlisting[language=C,title={.}]{.}<CR><CR>\subsection{実行結果}<CR><CR>\begin{figure}[tbh]<CR>\centering<CR>\includegraphics[width=12cm]{.}<CR>\caption{.}<CR>\end{figure}<ESC>10k0f.vc
-augroup END
diff --git a/vim/packages.vim b/vim/packages.vim
deleted file mode 100644
index 68580a1..0000000
--- a/vim/packages.vim
+++ /dev/null
@@ -1,5 +0,0 @@
-augroup latex_packages_abbr
-    iabbrev <buffer> amsp <Esc>i\usepackage{amsmath}<Esc>
-    iabbrev <buffer> tikzp <Esc>i\usepackage{pgf}<Esc>
-    iabbrev <buffer> circp <Esc>i\usepackage{circuitikz}<Esc>
-augroup END