diff --git a/Documentation/dontdiff b/Documentation/dontdiff
deleted file mode 100644
index de2cb8de6112..000000000000
--- a/Documentation/dontdiff
+++ /dev/null
@@ -1,271 +0,0 @@
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-*_MODULES
-*_vga16.c
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-\#*#
-*.9
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diff --git a/Documentation/process/5.Posting.rst b/Documentation/process/5.Posting.rst
index de4edd42d5c0..b3eff03ea249 100644
--- a/Documentation/process/5.Posting.rst
+++ b/Documentation/process/5.Posting.rst
@@ -191,11 +191,6 @@ change to a revision control system.  It will be followed by:
    option to diff will associate function names with changes, making the
    resulting patch easier for others to read.
 
-You should avoid including changes to irrelevant files (those generated by
-the build process, for example, or editor backup files) in the patch.  The
-file "dontdiff" in the Documentation directory can help in this regard;
-pass it to diff with the "-X" option.
-
 The tags already briefly mentioned above are used to provide insights how
 the patch came into being. They are described in detail in the
 :ref:`Documentation/process/submitting-patches.rst <submittingpatches>`
diff --git a/Documentation/translations/it_IT/process/5.Posting.rst b/Documentation/translations/it_IT/process/5.Posting.rst
index a61d9e6f7433..3b9b4db6fb9a 100644
--- a/Documentation/translations/it_IT/process/5.Posting.rst
+++ b/Documentation/translations/it_IT/process/5.Posting.rst
@@ -208,11 +208,6 @@ di commit in un sistema di controllo di versione.  Sarà seguito da:
    l'opzione "-p" assocerà alla modifica il nome della funzione alla quale
    si riferisce, rendendo il risultato più facile da leggere per gli altri.
 
-Dovreste evitare di includere nelle patch delle modifiche per file
-irrilevanti (quelli generati dal processo di generazione, per esempio, o i file
-di backup del vostro editor).  Il file "dontdiff" nella cartella Documentation
-potrà esservi d'aiuto su questo punto; passatelo a diff con l'opzione "-X".
-
 Le etichette sopracitate danno un'idea di come una patch prende vita e sono
 descritte nel dettaglio nel documento
 :ref:`Documentation/translations/it_IT/process/submitting-patches.rst <it_submittingpatches>`.
diff --git a/Documentation/translations/zh_CN/process/5.Posting.rst b/Documentation/translations/zh_CN/process/5.Posting.rst
index 6a469e1c7deb..6c83a8f40310 100644
--- a/Documentation/translations/zh_CN/process/5.Posting.rst
+++ b/Documentation/translations/zh_CN/process/5.Posting.rst
@@ -146,10 +146,6 @@
  - 补丁本身，采用统一的（“-u”）补丁格式。使用“-p”选项来diff将使函数名与
    更改相关联，从而使结果补丁更容易被其他人读取。
 
-您应该避免在补丁中包括与更改不相关文件（例如，构建过程生成的文件或编辑器
-备份文件）。文档目录中的“dontdiff”文件在这方面有帮助；使用“-X”选项将
-其传递给diff。
-
 上面提到的标签（tag）用于描述各种开发人员如何与这个补丁的开发相关联。
 :ref:`Documentation/translations/zh_CN/process/submitting-patches.rst <cn_submittingpatches>`
 文档中对它们进行了详细描述；下面是一个简短的总结。每一行的格式如下：
diff --git a/Documentation/translations/zh_TW/process/5.Posting.rst b/Documentation/translations/zh_TW/process/5.Posting.rst
index 7d66a1c638be..38f3a6d618eb 100644
--- a/Documentation/translations/zh_TW/process/5.Posting.rst
+++ b/Documentation/translations/zh_TW/process/5.Posting.rst
@@ -149,10 +149,6 @@
  - 補丁本身，採用統一的（“-u”）補丁格式。使用“-p”選項來diff將使函數名與
    更改相關聯，從而使結果補丁更容易被其他人讀取。
 
-您應該避免在補丁中包括與更改不相關文件（例如，構建過程生成的文件或編輯器
-備份文件）。文檔目錄中的“dontdiff”文件在這方面有幫助；使用“-X”選項將
-其傳遞給diff。
-
 上面提到的標籤（tag）用於描述各種開發人員如何與這個補丁的開發相關聯。
 :ref:`Documentation/translations/zh_CN/process/submitting-patches.rst <tw_submittingpatches>`
 文檔中對它們進行了詳細描述；下面是一個簡短的總結。每一行的格式如下：