diff --git a/src/test/java/org/htmlunit/general/huge/HostParentOfDTest.java b/src/test/java/org/htmlunit/general/huge/HostParentOfDTest.java
index 4e746b7e712..bb1abbbbcbd 100644
--- a/src/test/java/org/htmlunit/general/huge/HostParentOfDTest.java
+++ b/src/test/java/org/htmlunit/general/huge/HostParentOfDTest.java
@@ -2222,10 +2222,8 @@ public void _Event_MessageEvent() throws Exception {
      * @throws Exception if the test fails
      */
     @Test
-    @Alerts(DEFAULT = "false",
-            CHROME = "true",
-            EDGE = "true",
-            FF = "true")
+    @Alerts(DEFAULT = "true",
+            IE = "false")
     public void _Event_MIDIConnectionEvent() throws Exception {
         test("Event", "MIDIConnectionEvent");
     }
@@ -2234,10 +2232,8 @@ public void _Event_MIDIConnectionEvent() throws Exception {
      * @throws Exception if the test fails
      */
     @Test
-    @Alerts(DEFAULT = "false",
-            CHROME = "true",
-            EDGE = "true",
-            FF = "true")
+    @Alerts(DEFAULT = "true",
+            IE = "false")
     public void _Event_MIDIMessageEvent() throws Exception {
         test("Event", "MIDIMessageEvent");
     }
@@ -3667,8 +3663,7 @@ public void _EventTarget_IDBDatabase() throws Exception {
      * @throws Exception if the test fails
      */
     @Test
-    @Alerts(DEFAULT = "false",
-            FF_ESR = "true")
+    @Alerts("false")
     public void _EventTarget_IDBMutableFile() throws Exception {
         test("EventTarget", "IDBMutableFile");
     }
@@ -3846,10 +3841,8 @@ public void _EventTarget_MessagePort() throws Exception {
      * @throws Exception if the test fails
      */
     @Test
-    @Alerts(DEFAULT = "false",
-            CHROME = "true",
-            EDGE = "true",
-            FF = "true")
+    @Alerts(DEFAULT = "true",
+            IE = "false")
     public void _EventTarget_MIDIAccess() throws Exception {
         test("EventTarget", "MIDIAccess");
     }
@@ -3858,10 +3851,8 @@ public void _EventTarget_MIDIAccess() throws Exception {
      * @throws Exception if the test fails
      */
     @Test
-    @Alerts(DEFAULT = "false",
-            CHROME = "true",
-            EDGE = "true",
-            FF = "true")
+    @Alerts(DEFAULT = "true",
+            IE = "false")
     public void _EventTarget_MIDIInput() throws Exception {
         test("EventTarget", "MIDIInput");
     }
@@ -3870,10 +3861,8 @@ public void _EventTarget_MIDIInput() throws Exception {
      * @throws Exception if the test fails
      */
     @Test
-    @Alerts(DEFAULT = "false",
-            CHROME = "true",
-            EDGE = "true",
-            FF = "true")
+    @Alerts(DEFAULT = "true",
+            IE = "false")
     public void _EventTarget_MIDIOutput() throws Exception {
         test("EventTarget", "MIDIOutput");
     }
@@ -3882,10 +3871,8 @@ public void _EventTarget_MIDIOutput() throws Exception {
      * @throws Exception if the test fails
      */
     @Test
-    @Alerts(DEFAULT = "false",
-            CHROME = "true",
-            EDGE = "true",
-            FF = "true")
+    @Alerts(DEFAULT = "true",
+            IE = "false")
     public void _EventTarget_MIDIPort() throws Exception {
         test("EventTarget", "MIDIPort");
     }
@@ -3894,8 +3881,7 @@ public void _EventTarget_MIDIPort() throws Exception {
      * @throws Exception if the test fails
      */
     @Test
-    @Alerts(DEFAULT = "false",
-            FF_ESR = "true")
+    @Alerts("false")
     public void _EventTarget_mozRTCPeerConnection() throws Exception {
         test("EventTarget", "mozRTCPeerConnection");
     }
@@ -3945,8 +3931,7 @@ public void _EventTarget_OfflineAudioContext() throws Exception {
      * @throws Exception if the test fails
      */
     @Test
-    @Alerts(DEFAULT = "false",
-            FF_ESR = "true")
+    @Alerts("false")
     public void _EventTarget_OfflineResourceList() throws Exception {
         test("EventTarget", "OfflineResourceList");
     }
@@ -4092,7 +4077,6 @@ public void _EventTarget_RTCPeerConnection() throws Exception {
      */
     @Test
     @Alerts(DEFAULT = "true",
-            FF_ESR = "false",
             IE = "false")
     public void _EventTarget_RTCSctpTransport() throws Exception {
         test("EventTarget", "RTCSctpTransport");
diff --git a/src/test/java/org/htmlunit/general/huge/HostParentOfITest.java b/src/test/java/org/htmlunit/general/huge/HostParentOfITest.java
index e6f55c5600b..cfc4c518d07 100644
--- a/src/test/java/org/htmlunit/general/huge/HostParentOfITest.java
+++ b/src/test/java/org/htmlunit/general/huge/HostParentOfITest.java
@@ -18,7 +18,6 @@
 
 import org.htmlunit.junit.BrowserParameterizedRunner;
 import org.htmlunit.junit.BrowserRunner.Alerts;
-import org.htmlunit.junit.BrowserRunner.HtmlUnitNYI;
 import org.junit.Test;
 import org.junit.runner.RunWith;
 import org.junit.runners.Parameterized.Parameters;
@@ -123,8 +122,7 @@ public void _IDBKeyRange_IDBKeyRange() throws Exception {
      * @throws Exception if the test fails
      */
     @Test
-    @Alerts(DEFAULT = "false",
-            FF_ESR = "true")
+    @Alerts("false")
     public void _IDBMutableFile_IDBMutableFile() throws Exception {
         test("IDBMutableFile", "IDBMutableFile");
     }
@@ -288,7 +286,6 @@ public void _InputEvent_InputEvent() throws Exception {
      */
     @Test
     @Alerts("false")
-    @HtmlUnitNYI(FF_ESR = "true")
     public void _InstallTrigger_InstallTrigger() throws Exception {
         test("InstallTrigger", "InstallTrigger");
     }