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-rw-r--r--lib/default.nix2
-rw-r--r--lib/options.nix14
2 files changed, 2 insertions, 14 deletions
diff --git a/lib/default.nix b/lib/default.nix
index 8fea4b8ad63..73b8ad87154 100644
--- a/lib/default.nix
+++ b/lib/default.nix
@@ -138,7 +138,7 @@ let
       mergeDefaultOption mergeOneOption mergeEqualOption mergeUniqueOption
       getValues getFiles
       optionAttrSetToDocList optionAttrSetToDocList'
-      scrubOptionValue literalExpression literalExample literalDocBook
+      scrubOptionValue literalExpression literalExample
       showOption showOptionWithDefLocs showFiles
       unknownModule mkOption mkPackageOption mkPackageOptionMD
       mdDoc literalMD;
diff --git a/lib/options.nix b/lib/options.nix
index af7914bb513..11a3984aa47 100644
--- a/lib/options.nix
+++ b/lib/options.nix
@@ -344,19 +344,7 @@ rec {
     if ! isString text then throw "literalExpression expects a string."
     else { _type = "literalExpression"; inherit text; };
 
-  literalExample = lib.warn "literalExample is deprecated, use literalExpression instead, or use literalDocBook for a non-Nix description." literalExpression;
-
-
-  /* For use in the `defaultText` and `example` option attributes. Causes the
-     given DocBook text to be inserted verbatim in the documentation, for when
-     a `literalExpression` would be too hard to read.
-  */
-  literalDocBook = text:
-    if ! isString text then throw "literalDocBook expects a string."
-    else
-      lib.warnIf (lib.isInOldestRelease 2211)
-        "literalDocBook is deprecated, use literalMD instead"
-        { _type = "literalDocBook"; inherit text; };
+  literalExample = lib.warn "literalExample is deprecated, use literalExpression instead, or use literalMD for a non-Nix description." literalExpression;
 
   /* Transition marker for documentation that's already migrated to markdown
      syntax.