diff --git a/ftdetect/Dockerfile.vim b/ftdetect/Dockerfile.vim
deleted file mode 100644
index ee2976f..0000000
--- a/ftdetect/Dockerfile.vim
+++ /dev/null
@@ -1,8 +0,0 @@
-" vint: -ProhibitAutocmdWithNoGroup
-
-" Dockerfile
-autocmd BufRead,BufNewFile [Dd]ockerfile set ft=Dockerfile
-autocmd BufRead,BufNewFile Dockerfile* set ft=Dockerfile
-autocmd BufRead,BufNewFile [Dd]ockerfile.vim set ft=vim
-autocmd BufRead,BufNewFile *.dock set ft=Dockerfile
-autocmd BufRead,BufNewFile *.[Dd]ockerfile set ft=Dockerfile
diff --git a/ftplugin/Dockerfile.vim b/ftplugin/dockerfile.vim
similarity index 100%
rename from ftplugin/Dockerfile.vim
rename to ftplugin/dockerfile.vim
diff --git a/indent/Dockerfile.vim b/indent/dockerfile.vim
similarity index 100%
rename from indent/Dockerfile.vim
rename to indent/dockerfile.vim
diff --git a/snippets/Dockerfile.snippets b/snippets/dockerfile.snippets
similarity index 100%
rename from snippets/Dockerfile.snippets
rename to snippets/dockerfile.snippets
diff --git a/syntax/Dockerfile.vim b/syntax/dockerfile.vim
similarity index 100%
rename from syntax/Dockerfile.vim
rename to syntax/dockerfile.vim