diff --git a/webextensions/api/privacy.json b/webextensions/api/privacy.json
index 24f4f46a3af205..9fd87fffa9b289 100644
--- a/webextensions/api/privacy.json
+++ b/webextensions/api/privacy.json
@@ -62,7 +62,7 @@
             "__compat": {
               "support": {
                 "chrome": {
-                  "version_added": true
+                  "version_added": false
                 },
                 "edge": "mirror",
                 "firefox": {
@@ -161,11 +161,9 @@
             "__compat": {
               "support": {
                 "chrome": {
-                  "version_added": true
-                },
-                "edge": {
-                  "version_added": "79"
+                  "version_added": "18"
                 },
+                "edge": "mirror",
                 "firefox": {
                   "version_added": false
                 },
@@ -220,11 +218,9 @@
             "__compat": {
               "support": {
                 "chrome": {
-                  "version_added": true
-                },
-                "edge": {
-                  "version_added": "79"
+                  "version_added": "18"
                 },
+                "edge": "mirror",
                 "firefox": {
                   "version_added": false
                 },