diff --git a/runtime/autoload/rustfmt.vim b/runtime/autoload/rustfmt.vim
index 847b698b79..268a1c02cc 100644
--- a/runtime/autoload/rustfmt.vim
+++ b/runtime/autoload/rustfmt.vim
@@ -1,8 +1,8 @@
 " Author: Stephen Sugden <stephen@stephensugden.com>
 " Last Modified: 2023-09-11
 " Last Change:
-" 2025 Mar 31 by Vim project (rename s:RustfmtConfigOptions())
-" 2025 Jul 14 by Vim project (don't parse rustfmt version automatically #17745)
+" 2025 Oct 27 by Vim project don't use rustfmt as 'formatprg' by default
+"
 "
 " Adapted from https://github.com/fatih/vim-go
 " For bugs, patches and license go to https://github.com/rust-lang/rust.vim
@@ -68,13 +68,7 @@ function! s:RustfmtWriteMode()
     endif
 endfunction
 
-function! rustfmt#RustfmtConfigOptions()
-    let default = '--edition 2018'
-
-    if !get(g:, 'rustfmt_find_toml', 0)
-        return default
-    endif
-
+function! s:RustfmtConfigOptions()
     let l:rustfmt_toml = findfile('rustfmt.toml', expand('%:p:h') . ';')
     if l:rustfmt_toml !=# ''
         return '--config-path '.shellescape(fnamemodify(l:rustfmt_toml, ":p"))
@@ -97,7 +91,7 @@ function! s:RustfmtCommandRange(filename, line1, line2)
 
     let l:arg = {"file": shellescape(a:filename), "range": [a:line1, a:line2]}
     let l:write_mode = s:RustfmtWriteMode()
-    let l:rustfmt_config = rustfmt#RustfmtConfigOptions()
+    let l:rustfmt_config = s:RustfmtConfigOptions()
 
     " FIXME: When --file-lines gets to be stable, add version range checking
     " accordingly.
@@ -112,7 +106,7 @@ endfunction
 
 function! s:RustfmtCommand()
     let write_mode = g:rustfmt_emit_files ? '--emit=stdout' : '--write-mode=display'
-    let config = rustfmt#RustfmtConfigOptions()
+    let config = s:RustfmtConfigOptions()
     return join([g:rustfmt_command, write_mode, config, g:rustfmt_options])
 endfunction
 
diff --git a/runtime/doc/ft_rust.txt b/runtime/doc/ft_rust.txt
index 30b23ced11..4f4e3a85e7 100644
--- a/runtime/doc/ft_rust.txt
+++ b/runtime/doc/ft_rust.txt
@@ -166,13 +166,6 @@ g:rustfmt_detect_version~
 	Disabled by default for performance reasons
 >
 	    let g:rustfmt_detect_version = 1
-<
-                                                       *g:rustfmt_find_toml*
-g:rustfmt_emit_files~
-	When set to 1, will try to find "rustfmt.toml" file by searching from
-	current path upwards.  Disabled by default for performance reasons
->
-	    let g:rustfmt_find_toml = 1
 <
                                                           *g:rust_playpen_url*
 g:rust_playpen_url~
diff --git a/runtime/ftplugin/rust.vim b/runtime/ftplugin/rust.vim
index 53f7f83363..3e2741f919 100644
--- a/runtime/ftplugin/rust.vim
+++ b/runtime/ftplugin/rust.vim
@@ -3,7 +3,6 @@
 " Maintainer:	Chris Morgan <me@chrismorgan.info>
 " Last Change:	2024 Mar 17
 "		2024 May 23 by Riley Bruins <ribru17@gmail.com ('commentstring')
-"		2025 Mar 31 by Vim project (set 'formatprg' option)
 " For bugs, patches and license go to https://github.com/rust-lang/rust.vim
 
 if exists("b:did_ftplugin")
@@ -58,19 +57,6 @@ setlocal includeexpr=rust#IncludeExpr(v:fname)
 
 setlocal suffixesadd=.rs
 
-if executable(get(g:, 'rustfmt_command', 'rustfmt'))
-    if get(g:, "rustfmt_fail_silently", 0)
-        augroup rust.vim.FailSilently
-            autocmd! * <buffer>
-            autocmd ShellFilterPost <buffer> if v:shell_error | execute 'echom "shell filter returned error " . v:shell_error . ", undoing changes"' | undo | endif
-        augroup END
-    endif
-
-    let &l:formatprg = get(g:, 'rustfmt_command', 'rustfmt') . ' ' .
-                \ get(g:, 'rustfmt_options', '') . ' ' .
-                \ rustfmt#RustfmtConfigOptions()
-endif
-
 if exists("g:ftplugin_rust_source_path")
     let &l:path=g:ftplugin_rust_source_path . ',' . &l:path
 endif
@@ -163,7 +149,7 @@ endif
 
 let b:undo_ftplugin = "
             \ compiler make |
-            \ setlocal formatoptions< comments< commentstring< include< includeexpr< suffixesadd< formatprg<
+            \ setlocal formatoptions< comments< commentstring< include< includeexpr< suffixesadd<
             \|if exists('b:rust_set_style')
                 \|setlocal tabstop< shiftwidth< softtabstop< expandtab< textwidth<
                 \|endif