diff --git a/core/org.eclipse.cdt.core/.settings/.api_filters b/core/org.eclipse.cdt.core/.settings/.api_filters
index 6cce4ae2d23..6c1ca58b678 100644
--- a/core/org.eclipse.cdt.core/.settings/.api_filters
+++ b/core/org.eclipse.cdt.core/.settings/.api_filters
@@ -1,20 +1,44 @@
 <?xml version="1.0" encoding="UTF-8" standalone="no"?>
 <component id="org.eclipse.cdt.core" version="2">
     <resource path="META-INF/MANIFEST.MF" type="org.eclipse.cdt.core.dom.ast.cpp.ICPPASTDeductionGuide">
+        <filter comment="Bug 567261: This API was backed out and is believed to not be in use so the API breakage is unlikely" id="305324134">
+            <message_arguments>
+                <message_argument value="org.eclipse.cdt.core.dom.ast.cpp.ICPPASTDeductionGuide"/>
+                <message_argument value="org.eclipse.cdt.core_7.0.1"/>
+            </message_arguments>
+        </filter>
         <filter comment="deduction guides have been reverted post release" id="305324134">
             <message_arguments>
                 <message_argument value="org.eclipse.cdt.core.dom.ast.cpp.ICPPASTDeductionGuide"/>
                 <message_argument value="org.eclipse.cdt.core_7.1.0"/>
             </message_arguments>
         </filter>
+        <filter comment="Bug 567261: This API was backed out and is believed to not be in use so the API breakage is unlikely" id="305324134">
+            <message_arguments>
+                <message_argument value="org.eclipse.cdt.core.dom.ast.cpp.ICPPASTDeductionGuide"/>
+                <message_argument value="org.eclipse.cdt.core_7.1.100"/>
+            </message_arguments>
+        </filter>
     </resource>
     <resource path="META-INF/MANIFEST.MF" type="org.eclipse.cdt.core.dom.ast.cpp.ICPPASTParameterListOwner">
+        <filter comment="Bug 567261: This API was backed out and is believed to not be in use so the API breakage is unlikely" id="305324134">
+            <message_arguments>
+                <message_argument value="org.eclipse.cdt.core.dom.ast.cpp.ICPPASTParameterListOwner"/>
+                <message_argument value="org.eclipse.cdt.core_7.0.1"/>
+            </message_arguments>
+        </filter>
         <filter comment="deduction guides have been reverted post release" id="305324134">
             <message_arguments>
                 <message_argument value="org.eclipse.cdt.core.dom.ast.cpp.ICPPASTParameterListOwner"/>
                 <message_argument value="org.eclipse.cdt.core_7.1.0"/>
             </message_arguments>
         </filter>
+        <filter comment="Bug 567261: This API was backed out and is believed to not be in use so the API breakage is unlikely" id="305324134">
+            <message_arguments>
+                <message_argument value="org.eclipse.cdt.core.dom.ast.cpp.ICPPASTParameterListOwner"/>
+                <message_argument value="org.eclipse.cdt.core_7.1.100"/>
+            </message_arguments>
+        </filter>
     </resource>
     <resource path="parser/org/eclipse/cdt/core/dom/ast/cpp/ICPPASTFunctionDeclarator.java" type="org.eclipse.cdt.core.dom.ast.cpp.ICPPASTFunctionDeclarator">
         <filter comment="asdf" id="404791350">
diff --git a/doc/org.eclipse.cdt.doc.isv/guide/deprecated_API_removals.html b/doc/org.eclipse.cdt.doc.isv/guide/deprecated_API_removals.html
index 8f9b15c3a70..25317cb3d35 100644
--- a/doc/org.eclipse.cdt.doc.isv/guide/deprecated_API_removals.html
+++ b/doc/org.eclipse.cdt.doc.isv/guide/deprecated_API_removals.html
@@ -47,6 +47,7 @@
     <li><a href="#casesensitive">Environment Variables are always case sensitive in CDT.</a></li>
     <li><a href="#escaping">Environment variables no longer support \${ to avoid expanding.</a></li>
     <li><a href="#autocloseable">The binary parsers are now implement Autocloseable</a></li>
+    <li><a href="#deductionremovedin10.0.0">ICPPASTDeductionGuide and ICPPASTParameterListOwner removed in CDT 10.0.1</a></li>
   </ol>
   <p>
     Planned Removals after June 2022
@@ -325,6 +326,15 @@
     <li>org.eclipse.cdt.utils.macho.AR</li>
   </ul>
 
+
+  <h3>16. <a name="deductionremovedin10.0.0">ICPPASTDeductionGuide and ICPPASTParameterListOwner removed in CDT 10.0.1</a></h3>
+  <p>
+    Classes org.eclipse.cdt.core.dom.ast.cpp.ICPPASTDeductionGuide and org.eclipse.cdt.core.dom.ast.cpp.ICPPASTParameterListOwner
+    which were added for CDT 10.0.0 have been removed in CDT 10.0.1.  See <a
+    href="https://bugs.eclipse.org/bugs/show_bug.cgi?id=567261" target="_blank">Bug 567261</a>.
+  </p>
+
+
   <hr>
 
   <h2>Future Deletions</h2>