diff --git a/api/NavigationActivation.json b/api/NavigationActivation.json
index 92280689fbf5b1..50c6f541db495e 100644
--- a/api/NavigationActivation.json
+++ b/api/NavigationActivation.json
@@ -9,13 +9,13 @@
         ],
         "support": {
           "chrome": {
-            "version_added": "123",
-            "impl_url": "https://crbug.com/40285670/"
+            "version_added": "123"
           },
           "chrome_android": "mirror",
           "edge": "mirror",
           "firefox": {
-            "version_added": false
+            "version_added": false,
+            "impl_url": "https://bugzil.la/1777171"
           },
           "firefox_android": "mirror",
           "ie": {
@@ -48,8 +48,7 @@
           ],
           "support": {
             "chrome": {
-              "version_added": "123",
-              "impl_url": "https://crbug.com/40285670/"
+              "version_added": "123"
             },
             "chrome_android": "mirror",
             "edge": "mirror",
@@ -87,8 +86,7 @@
           ],
           "support": {
             "chrome": {
-              "version_added": "123",
-              "impl_url": "https://crbug.com/40285670/"
+              "version_added": "123"
             },
             "chrome_android": "mirror",
             "edge": "mirror",
@@ -126,8 +124,7 @@
           ],
           "support": {
             "chrome": {
-              "version_added": "123",
-              "impl_url": "https://crbug.com/40285670/"
+              "version_added": "123"
             },
             "chrome_android": "mirror",
             "edge": "mirror",