diff --git a/accessibility-checker-engine/src/v2/aria/ARIADefinitions.ts b/accessibility-checker-engine/src/v2/aria/ARIADefinitions.ts
index c8b040852..b35f3278b 100644
--- a/accessibility-checker-engine/src/v2/aria/ARIADefinitions.ts
+++ b/accessibility-checker-engine/src/v2/aria/ARIADefinitions.ts
@@ -2087,7 +2087,7 @@ export class ARIADefinitions {
             globalAriaAttributesValid: true
         },
         "summary": {
-            implicitRole: ["button"],
+            implicitRole: null,
             validRoles: null,
             globalAriaAttributesValid: true
         },
diff --git a/accessibility-checker-engine/test/v2/checker/accessibility/rules/aria_hidden_focus_misuse_ruleunit/act_6cfa84_aria_hidden_fail_with_summary_element.html b/accessibility-checker-engine/test/v2/checker/accessibility/rules/aria_hidden_focus_misuse_ruleunit/act_6cfa84_aria_hidden_fail_with_summary_element.html
index f6ff65ae6..c433b0afe 100644
--- a/accessibility-checker-engine/test/v2/checker/accessibility/rules/aria_hidden_focus_misuse_ruleunit/act_6cfa84_aria_hidden_fail_with_summary_element.html
+++ b/accessibility-checker-engine/test/v2/checker/accessibility/rules/aria_hidden_focus_misuse_ruleunit/act_6cfa84_aria_hidden_fail_with_summary_element.html
@@ -57,7 +57,7 @@
                     ],
                     "path": {
                         "dom": "/html[1]/body[1]/details[1]/summary[1]",
-                        "aria": "/document[1]/generic[1]/group[1]/button[1]"
+                        "aria": "/document[1]/generic[1]/group[1]"
                     },
                     "reasonId": "Fail_1",
                     "message": "Element \"summary\" should not be focusable within the subtree of an element with an 'aria-hidden' attribute with value 'true'",
diff --git a/accessibility-checker-engine/test/v2/checker/accessibility/rules/aria_semantics_role_ruleunit/summary_element.html b/accessibility-checker-engine/test/v2/checker/accessibility/rules/aria_semantics_role_ruleunit/summary_element.html
new file mode 100644
index 000000000..f6812537a
--- /dev/null
+++ b/accessibility-checker-engine/test/v2/checker/accessibility/rules/aria_semantics_role_ruleunit/summary_element.html
@@ -0,0 +1,103 @@
+<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
+<!--
+   /******************************************************************************
+     Copyright:: 2020- IBM, Inc
+
+    Licensed under the Apache License, Version 2.0 (the "License");
+    you may not use this file except in compliance with the License.
+    You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+    Unless required by applicable law or agreed to in writing, software
+    distributed under the License is distributed on an "AS IS" BASIS,
+    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+    See the License for the specific language governing permissions and
+    limitations under the License.
+  *****************************************************************************/
+-->
+
+<html lang="en" id="id-32">
+
+<head id="id-29">
+    <title id="id-36">Element with aria-hidden has no focusable content</title>
+    <meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
+</head>
+
+<body id="id-9" aria-atomic="true">
+    <details aria-hidden="true">
+        <summary>Some button</summary>
+        <summary>Another button</summary>
+        <p>Some details</p>
+    </details>
+    <details>
+        <summary>Overview</summary>
+        <ol>
+          <li>Cash on hand: $500.00</li>
+          <li>Current invoice: $75.30</li>
+          <li>Due date: 5/6/19</li>
+        </ol>
+      </details>
+      <ul role=none>
+        <li role="button" ...>li element</li> <!-- allowed because ul is no longer a 'list' -->
+      </ul>
+    <script type="text/javascript">
+        UnitTest = {
+            ruleIds: ["aria_hidden_focus_misuse"],
+            results: [
+                {
+                    "ruleId": "aria_hidden_focus_misuse",
+                    "value": [
+                        "INFORMATION",
+                        "PASS"
+                    ],
+                    "path": {
+                        "dom": "/html[1]/body[1]/details[1]",
+                        "aria": "/document[1]/generic[1]/group[1]"
+                    },
+                    "reasonId": "Pass_0",
+                    "message": "Rule Passed",
+                    "messageArgs": [],
+                    "apiArgs": [],
+                    "category": "Accessibility"
+                },
+                {
+                    "ruleId": "aria_hidden_focus_misuse",
+                    "value": [
+                        "INFORMATION",
+                        "FAIL"
+                    ],
+                    "path": {
+                        "dom": "/html[1]/body[1]/details[1]/summary[1]",
+                        "aria": "/document[1]/generic[1]/group[1]"
+                    },
+                    "reasonId": "Fail_1",
+                    "message": "Element \"summary\" should not be focusable within the subtree of an element with an 'aria-hidden' attribute with value 'true'",
+                    "messageArgs": [
+                        "summary"
+                    ],
+                    "apiArgs": [],
+                    "category": "Accessibility"
+                },
+                {
+                    "ruleId": "aria_hidden_focus_misuse",
+                    "value": [
+                        "INFORMATION",
+                        "PASS"
+                    ],
+                    "path": {
+                        "dom": "/html[1]/body[1]/details[1]/p[1]",
+                        "aria": "/document[1]/generic[1]/group[1]/paragraph[1]"
+                    },
+                    "reasonId": "Pass_0",
+                    "message": "Rule Passed",
+                    "messageArgs": [],
+                    "apiArgs": [],
+                    "category": "Accessibility"
+                }
+            ]
+        }
+    </script>
+</body>
+
+</html>
\ No newline at end of file
