diff --git a/css/properties/background-image.json b/css/properties/background-image.json
index 32ab660b81c6d1..494ae04581296a 100644
--- a/css/properties/background-image.json
+++ b/css/properties/background-image.json
@@ -135,7 +135,8 @@
               "edge": "mirror",
               "firefox": {
                 "prefix": "-moz-",
-                "version_added": "4"
+                "version_added": "4",
+                "version_removed": "120"
               },
               "firefox_android": "mirror",
               "ie": {
diff --git a/css/types/-moz-image-rect.json b/css/types/-moz-image-rect.json
index c2b45a9911acde..815d45e8770309 100644
--- a/css/types/-moz-image-rect.json
+++ b/css/types/-moz-image-rect.json
@@ -12,7 +12,8 @@
             "chrome_android": "mirror",
             "edge": "mirror",
             "firefox": {
-              "version_added": "4"
+              "version_added": "4",
+              "version_removed": "120"
             },
             "firefox_android": "mirror",
             "ie": {
diff --git a/css/types/image.json b/css/types/image.json
index 3d655c4a1d1141..cc0e295fb3e874 100644
--- a/css/types/image.json
+++ b/css/types/image.json
@@ -1769,13 +1769,11 @@
               "firefox": {
                 "version_added": false,
                 "notes": [
-                  "See <a href='https://bugzil.la/703217'>bug 703217</a>.",
-                  "The <a href='https://developer.mozilla.org/docs/Web/CSS/-moz-image-rect'><code>-moz-image-rect()</code></a> function supports fragments as of Firefox 4."
+                  "See <a href='https://bugzil.la/703217'>bug 703217</a>."
                 ]
               },
               "firefox_android": {
-                "version_added": false,
-                "notes": "The <a href='https://developer.mozilla.org/docs/Web/CSS/-moz-image-rect'><code>-moz-image-rect()</code></a> function supports fragments as of Firefox 4."
+                "version_added": false
               },
               "ie": {
                 "version_added": false