diff --git a/baselines/dom.generated.d.ts b/baselines/dom.generated.d.ts
index 70e23ef78..59922e82b 100644
--- a/baselines/dom.generated.d.ts
+++ b/baselines/dom.generated.d.ts
@@ -5875,6 +5875,7 @@ interface CSSRule {
     readonly MEDIA_RULE: 4;
     readonly FONT_FACE_RULE: 5;
     readonly PAGE_RULE: 6;
+    readonly MARGIN_RULE: 9;
     readonly NAMESPACE_RULE: 10;
     readonly KEYFRAMES_RULE: 7;
     readonly KEYFRAME_RULE: 8;
@@ -5892,6 +5893,7 @@ declare var CSSRule: {
     readonly MEDIA_RULE: 4;
     readonly FONT_FACE_RULE: 5;
     readonly PAGE_RULE: 6;
+    readonly MARGIN_RULE: 9;
     readonly NAMESPACE_RULE: 10;
     readonly KEYFRAMES_RULE: 7;
     readonly KEYFRAME_RULE: 8;
diff --git a/baselines/ts5.5/dom.generated.d.ts b/baselines/ts5.5/dom.generated.d.ts
index 308ad8250..adb82191f 100644
--- a/baselines/ts5.5/dom.generated.d.ts
+++ b/baselines/ts5.5/dom.generated.d.ts
@@ -5865,6 +5865,7 @@ interface CSSRule {
     readonly MEDIA_RULE: 4;
     readonly FONT_FACE_RULE: 5;
     readonly PAGE_RULE: 6;
+    readonly MARGIN_RULE: 9;
     readonly NAMESPACE_RULE: 10;
     readonly KEYFRAMES_RULE: 7;
     readonly KEYFRAME_RULE: 8;
@@ -5882,6 +5883,7 @@ declare var CSSRule: {
     readonly MEDIA_RULE: 4;
     readonly FONT_FACE_RULE: 5;
     readonly PAGE_RULE: 6;
+    readonly MARGIN_RULE: 9;
     readonly NAMESPACE_RULE: 10;
     readonly KEYFRAMES_RULE: 7;
     readonly KEYFRAME_RULE: 8;
diff --git a/baselines/ts5.6/dom.generated.d.ts b/baselines/ts5.6/dom.generated.d.ts
index 3d8546117..12b2b246f 100644
--- a/baselines/ts5.6/dom.generated.d.ts
+++ b/baselines/ts5.6/dom.generated.d.ts
@@ -5872,6 +5872,7 @@ interface CSSRule {
     readonly MEDIA_RULE: 4;
     readonly FONT_FACE_RULE: 5;
     readonly PAGE_RULE: 6;
+    readonly MARGIN_RULE: 9;
     readonly NAMESPACE_RULE: 10;
     readonly KEYFRAMES_RULE: 7;
     readonly KEYFRAME_RULE: 8;
@@ -5889,6 +5890,7 @@ declare var CSSRule: {
     readonly MEDIA_RULE: 4;
     readonly FONT_FACE_RULE: 5;
     readonly PAGE_RULE: 6;
+    readonly MARGIN_RULE: 9;
     readonly NAMESPACE_RULE: 10;
     readonly KEYFRAMES_RULE: 7;
     readonly KEYFRAME_RULE: 8;
diff --git a/baselines/ts5.9/dom.generated.d.ts b/baselines/ts5.9/dom.generated.d.ts
index 01b293947..a116419a2 100644
--- a/baselines/ts5.9/dom.generated.d.ts
+++ b/baselines/ts5.9/dom.generated.d.ts
@@ -5872,6 +5872,7 @@ interface CSSRule {
     readonly MEDIA_RULE: 4;
     readonly FONT_FACE_RULE: 5;
     readonly PAGE_RULE: 6;
+    readonly MARGIN_RULE: 9;
     readonly NAMESPACE_RULE: 10;
     readonly KEYFRAMES_RULE: 7;
     readonly KEYFRAME_RULE: 8;
@@ -5889,6 +5890,7 @@ declare var CSSRule: {
     readonly MEDIA_RULE: 4;
     readonly FONT_FACE_RULE: 5;
     readonly PAGE_RULE: 6;
+    readonly MARGIN_RULE: 9;
     readonly NAMESPACE_RULE: 10;
     readonly KEYFRAMES_RULE: 7;
     readonly KEYFRAME_RULE: 8;
diff --git a/inputfiles/removedTypes.jsonc b/inputfiles/removedTypes.jsonc
index a00827f0e..1750d8fcd 100644
--- a/inputfiles/removedTypes.jsonc
+++ b/inputfiles/removedTypes.jsonc
@@ -26,13 +26,6 @@
                     }
                 }
             },
-            "CSSRule": {
-                "constants": {
-                    "constant": {
-                        "MARGIN_RULE": null // WebKit only as of 2023-10
-                    }
-                }
-            },
             "Document": {
                 "methods": {
                     "method": {