diff --git a/baselines/dom.generated.d.ts b/baselines/dom.generated.d.ts
index db1f1519..c6261591 100644
--- a/baselines/dom.generated.d.ts
+++ b/baselines/dom.generated.d.ts
@@ -3760,6 +3760,28 @@ declare var DOMImplementation: {
 };
 
 interface DOMMatrix extends DOMMatrixReadOnly {
+    a: number;
+    b: number;
+    c: number;
+    d: number;
+    e: number;
+    f: number;
+    m11: number;
+    m12: number;
+    m13: number;
+    m14: number;
+    m21: number;
+    m22: number;
+    m23: number;
+    m24: number;
+    m31: number;
+    m32: number;
+    m33: number;
+    m34: number;
+    m41: number;
+    m42: number;
+    m43: number;
+    m44: number;
     invertSelf(): DOMMatrix;
     multiplySelf(other?: DOMMatrixInit): DOMMatrix;
     preMultiplySelf(other?: DOMMatrixInit): DOMMatrix;
@@ -3863,6 +3885,10 @@ declare var DOMParser: {
 };
 
 interface DOMPoint extends DOMPointReadOnly {
+    w: number;
+    x: number;
+    y: number;
+    z: number;
 }
 
 declare var DOMPoint: {
@@ -3906,6 +3932,10 @@ declare var DOMQuad: {
 };
 
 interface DOMRect extends DOMRectReadOnly {
+    height: number;
+    width: number;
+    x: number;
+    y: number;
 }
 
 declare var DOMRect: {
diff --git a/baselines/serviceworker.generated.d.ts b/baselines/serviceworker.generated.d.ts
index e6e9e226..567ca623 100644
--- a/baselines/serviceworker.generated.d.ts
+++ b/baselines/serviceworker.generated.d.ts
@@ -1010,6 +1010,28 @@ declare var DOMException: {
 };
 
 interface DOMMatrix extends DOMMatrixReadOnly {
+    a: number;
+    b: number;
+    c: number;
+    d: number;
+    e: number;
+    f: number;
+    m11: number;
+    m12: number;
+    m13: number;
+    m14: number;
+    m21: number;
+    m22: number;
+    m23: number;
+    m24: number;
+    m31: number;
+    m32: number;
+    m33: number;
+    m34: number;
+    m41: number;
+    m42: number;
+    m43: number;
+    m44: number;
     invertSelf(): DOMMatrix;
     multiplySelf(other?: DOMMatrixInit): DOMMatrix;
     preMultiplySelf(other?: DOMMatrixInit): DOMMatrix;
@@ -1085,6 +1107,10 @@ declare var DOMMatrixReadOnly: {
 };
 
 interface DOMPoint extends DOMPointReadOnly {
+    w: number;
+    x: number;
+    y: number;
+    z: number;
 }
 
 declare var DOMPoint: {
@@ -1125,6 +1151,10 @@ declare var DOMQuad: {
 };
 
 interface DOMRect extends DOMRectReadOnly {
+    height: number;
+    width: number;
+    x: number;
+    y: number;
 }
 
 declare var DOMRect: {
diff --git a/baselines/sharedworker.generated.d.ts b/baselines/sharedworker.generated.d.ts
index d3526e12..7e320386 100644
--- a/baselines/sharedworker.generated.d.ts
+++ b/baselines/sharedworker.generated.d.ts
@@ -954,6 +954,28 @@ declare var DOMException: {
 };
 
 interface DOMMatrix extends DOMMatrixReadOnly {
+    a: number;
+    b: number;
+    c: number;
+    d: number;
+    e: number;
+    f: number;
+    m11: number;
+    m12: number;
+    m13: number;
+    m14: number;
+    m21: number;
+    m22: number;
+    m23: number;
+    m24: number;
+    m31: number;
+    m32: number;
+    m33: number;
+    m34: number;
+    m41: number;
+    m42: number;
+    m43: number;
+    m44: number;
     invertSelf(): DOMMatrix;
     multiplySelf(other?: DOMMatrixInit): DOMMatrix;
     preMultiplySelf(other?: DOMMatrixInit): DOMMatrix;
@@ -1029,6 +1051,10 @@ declare var DOMMatrixReadOnly: {
 };
 
 interface DOMPoint extends DOMPointReadOnly {
+    w: number;
+    x: number;
+    y: number;
+    z: number;
 }
 
 declare var DOMPoint: {
@@ -1069,6 +1095,10 @@ declare var DOMQuad: {
 };
 
 interface DOMRect extends DOMRectReadOnly {
+    height: number;
+    width: number;
+    x: number;
+    y: number;
 }
 
 declare var DOMRect: {
diff --git a/baselines/webworker.generated.d.ts b/baselines/webworker.generated.d.ts
index 8210dc1d..a4de4199 100644
--- a/baselines/webworker.generated.d.ts
+++ b/baselines/webworker.generated.d.ts
@@ -1021,6 +1021,28 @@ declare var DOMException: {
 };
 
 interface DOMMatrix extends DOMMatrixReadOnly {
+    a: number;
+    b: number;
+    c: number;
+    d: number;
+    e: number;
+    f: number;
+    m11: number;
+    m12: number;
+    m13: number;
+    m14: number;
+    m21: number;
+    m22: number;
+    m23: number;
+    m24: number;
+    m31: number;
+    m32: number;
+    m33: number;
+    m34: number;
+    m41: number;
+    m42: number;
+    m43: number;
+    m44: number;
     invertSelf(): DOMMatrix;
     multiplySelf(other?: DOMMatrixInit): DOMMatrix;
     preMultiplySelf(other?: DOMMatrixInit): DOMMatrix;
@@ -1096,6 +1118,10 @@ declare var DOMMatrixReadOnly: {
 };
 
 interface DOMPoint extends DOMPointReadOnly {
+    w: number;
+    x: number;
+    y: number;
+    z: number;
 }
 
 declare var DOMPoint: {
@@ -1136,6 +1162,10 @@ declare var DOMQuad: {
 };
 
 interface DOMRect extends DOMRectReadOnly {
+    height: number;
+    width: number;
+    x: number;
+    y: number;
 }
 
 declare var DOMRect: {
diff --git a/src/build/bcd/keep-alive.ts b/src/build/bcd/keep-alive.ts
index d79ccd95..6ddeb1df 100644
--- a/src/build/bcd/keep-alive.ts
+++ b/src/build/bcd/keep-alive.ts
@@ -92,8 +92,34 @@ export const forceKeepAlive: Record<string, string[]> = {
   ],
   CloseEvent: ["code", "reason", "wasClean"],
   DOMRectList: ["item", "length"],
-  DOMMatrix: ["fromFloat32Array", "fromFloat64Array", "fromMatrix"],
-  DOMRect: ["fromRect"],
+  DOMMatrix: [
+    "fromFloat32Array",
+    "fromFloat64Array",
+    "fromMatrix",
+    "a",
+    "b",
+    "c",
+    "d",
+    "e",
+    "f",
+    "m11",
+    "m12",
+    "m13",
+    "m14",
+    "m21",
+    "m22",
+    "m23",
+    "m24",
+    "m31",
+    "m32",
+    "m33",
+    "m34",
+    "m41",
+    "m42",
+    "m43",
+    "m44",
+  ],
+  DOMRect: ["fromRect", "x", "y", "width", "height"],
   Document: ["charset", "inputEncoding"],
   Element: ["webkitMatchesSelector"],
   FileReader: ["onloadstart"],
diff --git a/src/build/widlprocess.ts b/src/build/widlprocess.ts
index 5436a767..96e4e8c3 100644
--- a/src/build/widlprocess.ts
+++ b/src/build/widlprocess.ts
@@ -175,9 +175,6 @@ function convertInterfaceCommon(
         member.name
       );
     } else if (member.type === "attribute") {
-      if ((member.special as string) === "inherit") {
-        continue; // no need to redeclare
-      }
       const { properties } = result;
       const prop = convertAttribute(member, result.exposed);
       addComments(prop, commentMap, i.name, member.name);