diff --git a/dom/webidl/DOMMatrix.webidl b/dom/webidl/DOMMatrix.webidl
index 056fad85b125..5f7a1dcfe6bb 100644
--- a/dom/webidl/DOMMatrix.webidl
+++ b/dom/webidl/DOMMatrix.webidl
@@ -10,8 +10,7 @@
  * liability, trademark and document use rules apply.
  */
 
-[Pref="layout.css.DOMMatrix.enabled",
- Exposed=(Window,Worker),
+[Exposed=(Window,Worker),
  Serializable]
 interface DOMMatrixReadOnly {
     [Throws]
@@ -89,8 +88,7 @@ interface DOMMatrixReadOnly {
     [Default] object           toJSON();
 };
 
-[Pref="layout.css.DOMMatrix.enabled",
- Exposed=(Window,Worker),
+[Exposed=(Window,Worker),
  Serializable,
  LegacyWindowAlias=WebKitCSSMatrix]
 interface DOMMatrix : DOMMatrixReadOnly {
diff --git a/dom/webidl/DOMPoint.webidl b/dom/webidl/DOMPoint.webidl
index b7fdaa43449a..ad95b2f716ef 100644
--- a/dom/webidl/DOMPoint.webidl
+++ b/dom/webidl/DOMPoint.webidl
@@ -10,8 +10,7 @@
  * liability, trademark and document use rules apply.
  */
 
-[Pref="layout.css.DOMPoint.enabled",
- Exposed=(Window,Worker),
+[Exposed=(Window,Worker),
  Serializable]
 interface DOMPointReadOnly {
     constructor(optional unrestricted double x = 0,
@@ -31,8 +30,7 @@ interface DOMPointReadOnly {
     [Default] object toJSON();
 };
 
-[Pref="layout.css.DOMPoint.enabled",
- Exposed=(Window,Worker),
+[Exposed=(Window,Worker),
  Serializable]
 interface DOMPoint : DOMPointReadOnly {
     constructor(optional unrestricted double x = 0,
diff --git a/dom/webidl/DOMQuad.webidl b/dom/webidl/DOMQuad.webidl
index 362a2b40d31f..bc3518890a3c 100644
--- a/dom/webidl/DOMQuad.webidl
+++ b/dom/webidl/DOMQuad.webidl
@@ -10,8 +10,7 @@
  * liability, trademark and document use rules apply.
  */
 
-[Pref="layout.css.DOMQuad.enabled",
- Exposed=(Window,Worker),
+[Exposed=(Window,Worker),
  Serializable]
 interface DOMQuad {
     constructor(optional DOMPointInit p1 = {}, optional DOMPointInit p2 = {},
diff --git a/layout/base/tests/test_getBoxQuads_convertPointRectQuad.html b/layout/base/tests/test_getBoxQuads_convertPointRectQuad.html
index 576e77f0f139..3b0431f4581e 100644
--- a/layout/base/tests/test_getBoxQuads_convertPointRectQuad.html
+++ b/layout/base/tests/test_getBoxQuads_convertPointRectQuad.html
@@ -358,9 +358,7 @@ SimpleTest.waitForExplicitFinish();
 window.scrollTo(0,0);
 
 function startTest() {
-  SpecialPowers.pushPrefEnv({"set": [["layout.css.DOMPoint.enabled", true],
-                                     ["layout.css.DOMQuad.enabled", true],
-                                     ["layout.css.getBoxQuads.enabled", true],
+  SpecialPowers.pushPrefEnv({"set": [["layout.css.getBoxQuads.enabled", true],
                                      ["layout.css.convertFromNode.enabled", true]]}, grabFeatures);
 }
 
diff --git a/modules/libpref/init/StaticPrefList.yaml b/modules/libpref/init/StaticPrefList.yaml
index 114785bd6e6a..2e2955ccae10 100644
--- a/modules/libpref/init/StaticPrefList.yaml
+++ b/modules/libpref/init/StaticPrefList.yaml
@@ -6992,24 +6992,6 @@
   mirror: always
   rust: true
 
-# Is support for DOMMatrix enabled?
-- name: layout.css.DOMMatrix.enabled
-  type: RelaxedAtomicBool
-  value: true
-  mirror: always
-
-# Is support for DOMQuad enabled?
-- name: layout.css.DOMQuad.enabled
-  type: RelaxedAtomicBool
-  value: true
-  mirror: always
-
-# Is support for DOMPoint enabled?
-- name: layout.css.DOMPoint.enabled
-  type: RelaxedAtomicBool
-  value: true
-  mirror: always
-
 # Is support for d property for SVG path element?
 - name: layout.css.d-property.enabled
   type: bool