diff --git a/css/properties/backface-visibility.json b/css/properties/backface-visibility.json
index e681c44c87aab7..63a7520aee21f5 100644
--- a/css/properties/backface-visibility.json
+++ b/css/properties/backface-visibility.json
@@ -38,8 +38,7 @@
               },
               {
                 "prefix": "-moz-",
-                "version_added": "10",
-                "version_removed": "preview"
+                "version_added": "10"
               }
             ],
             "firefox_android": "mirror",
diff --git a/css/properties/perspective-origin.json b/css/properties/perspective-origin.json
index b564832524c2ea..372b5442604a27 100644
--- a/css/properties/perspective-origin.json
+++ b/css/properties/perspective-origin.json
@@ -38,8 +38,7 @@
               },
               {
                 "prefix": "-moz-",
-                "version_added": "10",
-                "version_removed": "preview"
+                "version_added": "10"
               }
             ],
             "firefox_android": "mirror",
diff --git a/css/properties/perspective.json b/css/properties/perspective.json
index fcb466a32e2b9d..c33a3e29e8a7b7 100644
--- a/css/properties/perspective.json
+++ b/css/properties/perspective.json
@@ -38,8 +38,7 @@
               },
               {
                 "prefix": "-moz-",
-                "version_added": "10",
-                "version_removed": "preview"
+                "version_added": "10"
               }
             ],
             "firefox_android": "mirror",
diff --git a/css/properties/transform-origin.json b/css/properties/transform-origin.json
index 371e74c9444e52..fde837188d3242 100644
--- a/css/properties/transform-origin.json
+++ b/css/properties/transform-origin.json
@@ -38,8 +38,7 @@
               },
               {
                 "prefix": "-moz-",
-                "version_added": "3.5",
-                "version_removed": "preview"
+                "version_added": "3.5"
               }
             ],
             "firefox_android": "mirror",
diff --git a/css/properties/transform-style.json b/css/properties/transform-style.json
index 7d6971989586d4..6e560e82cfa3d1 100644
--- a/css/properties/transform-style.json
+++ b/css/properties/transform-style.json
@@ -38,8 +38,7 @@
               },
               {
                 "prefix": "-moz-",
-                "version_added": "10",
-                "version_removed": "preview"
+                "version_added": "10"
               }
             ],
             "firefox_android": "mirror",
diff --git a/css/properties/transform.json b/css/properties/transform.json
index ec081b41b599c1..950172eb6a10ee 100644
--- a/css/properties/transform.json
+++ b/css/properties/transform.json
@@ -41,8 +41,7 @@
               },
               {
                 "prefix": "-moz-",
-                "version_added": "≤40",
-                "version_removed": "preview"
+                "version_added": "3.5"
               }
             ],
             "firefox_android": "mirror",
diff --git a/css/properties/transition-delay.json b/css/properties/transition-delay.json
index 0e9880359bce0c..c065b7bdfe2ca4 100644
--- a/css/properties/transition-delay.json
+++ b/css/properties/transition-delay.json
@@ -39,7 +39,7 @@
               {
                 "prefix": "-moz-",
                 "version_added": "4",
-                "version_removed": "preview"
+                "version_removed": "126"
               }
             ],
             "firefox_android": "mirror",
diff --git a/css/properties/transition-duration.json b/css/properties/transition-duration.json
index 5a19b081c29c6f..d13aa24213d2d1 100644
--- a/css/properties/transition-duration.json
+++ b/css/properties/transition-duration.json
@@ -39,7 +39,7 @@
               {
                 "prefix": "-moz-",
                 "version_added": "4",
-                "version_removed": "preview"
+                "version_removed": "126"
               }
             ],
             "firefox_android": "mirror",
diff --git a/css/properties/transition-property.json b/css/properties/transition-property.json
index cac2364714c1ea..8c30b122cc5142 100644
--- a/css/properties/transition-property.json
+++ b/css/properties/transition-property.json
@@ -39,7 +39,7 @@
               {
                 "prefix": "-moz-",
                 "version_added": "4",
-                "version_removed": "preview"
+                "version_removed": "126"
               }
             ],
             "firefox_android": "mirror",
diff --git a/css/properties/transition-timing-function.json b/css/properties/transition-timing-function.json
index b5c5b92e91c2e9..640ff2e66443a6 100644
--- a/css/properties/transition-timing-function.json
+++ b/css/properties/transition-timing-function.json
@@ -39,7 +39,7 @@
               {
                 "prefix": "-moz-",
                 "version_added": "4",
-                "version_removed": "preview"
+                "version_removed": "126"
               }
             ],
             "firefox_android": "mirror",