diff --git a/src/metaschema/oscal_assessment-common_metaschema.xml b/src/metaschema/oscal_assessment-common_metaschema.xml
index fc2f0db3c7..39c80e4fa5 100644
--- a/src/metaschema/oscal_assessment-common_metaschema.xml
+++ b/src/metaschema/oscal_assessment-common_metaschema.xml
@@ -400,10 +400,7 @@
                   <group-as name="links" in-json="ARRAY"/>
                </assembly>
                <choice>
-                  <define-assembly name="include-all" min-occurs="1">
-                     <formal-name>All</formal-name>
-                     <description>A key word to indicate all.</description>
-                  </define-assembly>
+                  <assembly ref="include-all" min-occurs="1"/>
                   <assembly ref="select-control-by-id" min-occurs="1" max-occurs="unbounded">
                      <use-name>include-control</use-name>
                      <group-as name="include-controls" in-json="ARRAY"/>
@@ -443,10 +440,7 @@
                   <group-as name="links" in-json="ARRAY"/>
                </assembly>
                <choice>
-                  <define-assembly name="include-all" min-occurs="1">
-                     <formal-name>All</formal-name>
-                     <description>A key word to indicate all.</description>
-                  </define-assembly>
+                  <assembly ref="include-all" min-occurs="1"/>
                   <assembly ref="select-objective-by-id" min-occurs="1" max-occurs="unbounded">
                      <use-name>include-objective</use-name>
                      <group-as name="include-objectives" in-json="ARRAY"/>
@@ -560,10 +554,7 @@
             <group-as name="links" in-json="ARRAY"/>
          </assembly>
          <choice>
-            <define-assembly name="include-all" min-occurs="1">
-               <formal-name>All</formal-name>
-               <description>A key word to indicate all.</description>
-            </define-assembly>
+            <assembly ref="include-all" min-occurs="1"/>
             <assembly ref="select-subject-by-id" min-occurs="1" max-occurs="unbounded">
                <use-name>include-subject</use-name>
                <group-as name="include-subjects" in-json="ARRAY"/>
diff --git a/src/metaschema/oscal_control-common_metaschema.xml b/src/metaschema/oscal_control-common_metaschema.xml
index 3de42fce79..d45ef7a3d6 100644
--- a/src/metaschema/oscal_control-common_metaschema.xml
+++ b/src/metaschema/oscal_control-common_metaschema.xml
@@ -253,9 +253,19 @@
                         <p>A set of parameter value choices, that may be picked from to set the parameter value.</p>
                 </remarks>
         </define-assembly>
+        <!-- ############################## -->
+        <!-- # Control-related constructs # -->
+        <!-- ############################## -->
         <define-flag name="control-id" as-type="token">
                 <formal-name>Control Identifier Reference</formal-name>
                 <!-- Identifier Reference -->
                 <description>A <a href="/concepts/identifier-use/#human-oriented">human-oriented</a> identifier reference to a control with a corresponding <code>id</code> value. When referencing an externally defined <code>control</code>, the <code>Control Identifier Reference</code> must be used in the context of the external / imported OSCAL instance (e.g., uri-reference).</description>
         </define-flag>
+        <define-assembly name="include-all">
+                <formal-name>Include All</formal-name>
+                <description>Include all controls from the imported catalog or profile resources.</description>
+                <remarks>
+                        <p>This element provides an alternative to calling controls individually from a catalog.</p>
+                </remarks>
+        </define-assembly>
 </METASCHEMA>
diff --git a/src/metaschema/oscal_profile_metaschema.xml b/src/metaschema/oscal_profile_metaschema.xml
index f38d040cdf..c07c892735 100644
--- a/src/metaschema/oscal_profile_metaschema.xml
+++ b/src/metaschema/oscal_profile_metaschema.xml
@@ -306,14 +306,6 @@
                   <p>If this directive is not provided, then no controls are to be inserted; i.e., all controls are included explicitly.</p>
             </remarks>
       </define-assembly>
-
-      <define-assembly name="include-all">
-            <formal-name>Insert All</formal-name>
-            <description>Insert all controls from the imported catalog or profile resources identified in the <code>import</code> directive.</description>
-            <remarks>
-                  <p>This element provides an alternative to calling controls individually from a catalog.</p>
-            </remarks>
-      </define-assembly>
       <define-assembly name="select-control-by-id" scope="local">
             <formal-name>Call</formal-name>
             <description>Call a control by its ID</description>