diff --git a/doc/class.xsd b/doc/class.xsd
index 8133c5af63..661e5ef3f5 100644
--- a/doc/class.xsd
+++ b/doc/class.xsd
@@ -148,7 +148,6 @@
 			<xs:attribute type="xs:string" name="name" />
 			<xs:attribute type="xs:string" name="inherits" />
 			<xs:attribute type="xs:string" name="category" />
-			<xs:attribute type="xs:float" name="version" />
 		</xs:complexType>
 	</xs:element>
 </xs:schema>
diff --git a/doc/tools/make_rst.py b/doc/tools/make_rst.py
index d0706844f3..f343fe6b22 100755
--- a/doc/tools/make_rst.py
+++ b/doc/tools/make_rst.py
@@ -489,10 +489,6 @@ def main() -> None:
             continue
         doc = tree.getroot()
 
-        if "version" not in doc.attrib:
-            print_error(f'{cur_file}: "version" attribute missing from "doc".', state)
-            continue
-
         name = doc.attrib["name"]
         if name in classes:
             print_error(f'{cur_file}: Duplicate class "{name}".', state)
diff --git a/editor/doc/doc_data.cpp b/editor/doc/doc_data.cpp
index 1a37ee316b..76f17bf016 100644
--- a/editor/doc/doc_data.cpp
+++ b/editor/doc/doc_data.cpp
@@ -1119,7 +1119,6 @@ Error DocData::save_classes(const String &p_default_path, const RBMap<String, St
 		if (c.inherits != "") {
 			header += " inherits=\"" + c.inherits + "\"";
 		}
-		header += String(" version=\"") + VERSION_BRANCH + "\"";
 		header += ">";
 		_write_string(f, 0, header);