diff --git a/browsers/edge_mobile.json b/browsers/edge_mobile.json
index acd1c71b0d1f7d..3a727a25d6c8a2 100644
--- a/browsers/edge_mobile.json
+++ b/browsers/edge_mobile.json
@@ -17,18 +17,7 @@
         },
         "15": {
           "release_date": "2017-04-11",
-          "status": "retired"
-        },
-        "16": {
-          "release_date": "2017-09-26",
-          "status": "retired"
-        },
-        "17": {
-          "release_date": "2018-04-30",
           "status": "current"
-        },
-        "18": {
-          "status": "nightly"
         }
       }
     }
diff --git a/css/properties/display.json b/css/properties/display.json
index 94089202aed243..73f526e49dab9c 100644
--- a/css/properties/display.json
+++ b/css/properties/display.json
@@ -746,15 +746,10 @@
                   "version_added": "12"
                 }
               ],
-              "edge_mobile": [
-                {
-                  "version_added": "16"
-                },
-                {
-                  "prefix": "-ms-",
-                  "version_added": "12"
-                }
-              ],
+              "edge_mobile": {
+                "prefix": "-ms-",
+                "version_added": "12"
+              },
               "firefox": {
                 "version_added": "52"
               },
@@ -811,15 +806,10 @@
                   "version_added": "12"
                 }
               ],
-              "edge_mobile": [
-                {
-                  "version_added": "16"
-                },
-                {
-                  "prefix": "-ms-",
-                  "version_added": "12"
-                }
-              ],
+              "edge_mobile": {
+                "prefix": "-ms-",
+                "version_added": "12"
+              },
               "firefox": {
                 "version_added": "52"
               },
diff --git a/css/properties/grid-auto-columns.json b/css/properties/grid-auto-columns.json
index f8edf6b970dc7f..0945fb9177fbff 100644
--- a/css/properties/grid-auto-columns.json
+++ b/css/properties/grid-auto-columns.json
@@ -42,15 +42,10 @@
                 "alternative_name": "-ms-grid-columns"
               }
             ],
-            "edge_mobile": [
-              {
-                "version_added": "16"
-              },
-              {
-                "version_added": "12",
-                "alternative_name": "-ms-grid-columns"
-              }
-            ],
+            "edge_mobile": {
+              "version_added": "12",
+              "alternative_name": "-ms-grid-columns"
+            },
             "firefox": [
               {
                 "version_added": "52"
diff --git a/css/properties/grid-auto-rows.json b/css/properties/grid-auto-rows.json
index ee5eee828a2c61..30ba8cde2a55bb 100644
--- a/css/properties/grid-auto-rows.json
+++ b/css/properties/grid-auto-rows.json
@@ -42,15 +42,10 @@
                 "alternative_name": "-ms-grid-rows"
               }
             ],
-            "edge_mobile": [
-              {
-                "version_added": "16"
-              },
-              {
-                "version_added": "12",
-                "alternative_name": "-ms-grid-rows"
-              }
-            ],
+            "edge_mobile": {
+              "version_added": "12",
+              "alternative_name": "-ms-grid-rows"
+            },
             "firefox": [
               {
                 "version_added": "52"