diff --git a/packages/core/Source/AttributeCompression.js b/packages/core/Source/AttributeCompression.js
index aa390cbcdb70..ef3e665d9ab9 100644
--- a/packages/core/Source/AttributeCompression.js
+++ b/packages/core/Source/AttributeCompression.js
@@ -5,7 +5,7 @@ import Check from "./Check.js";
 import defined from "./defined.js";
 import DeveloperError from "./DeveloperError.js";
 import CesiumMath from "./Math.js";
-import AttributeType from "../Scene/AttributeType.js";
+import AttributeType from "./AttributeType.js";
 
 const RIGHT_SHIFT = 1.0 / 256.0;
 const LEFT_SHIFT = 256.0;
diff --git a/packages/engine/Source/Scene/AttributeType.js b/packages/core/Source/AttributeType.js
similarity index 92%
rename from packages/engine/Source/Scene/AttributeType.js
rename to packages/core/Source/AttributeType.js
index 5ba4d4f2e5c7..fc10b7281cb5 100644
--- a/packages/engine/Source/Scene/AttributeType.js
+++ b/packages/core/Source/AttributeType.js
@@ -1,11 +1,11 @@
-import Cartesian2 from "../Core/Cartesian2.js";
-import Cartesian3 from "../Core/Cartesian3.js";
-import Cartesian4 from "../Core/Cartesian4.js";
-import Check from "../Core/Check.js";
-import DeveloperError from "../Core/DeveloperError.js";
-import Matrix2 from "../Core/Matrix2.js";
-import Matrix3 from "../Core/Matrix3.js";
-import Matrix4 from "../Core/Matrix4.js";
+import Cartesian2 from "./Cartesian2.js";
+import Cartesian3 from "./Cartesian3.js";
+import Cartesian4 from "./Cartesian4.js";
+import Check from "./Check.js";
+import DeveloperError from "./DeveloperError.js";
+import Matrix2 from "./Matrix2.js";
+import Matrix3 from "./Matrix3.js";
+import Matrix4 from "./Matrix4.js";
 
 /**
  * An enum describing the attribute type for glTF and 3D Tiles.
diff --git a/packages/engine/Source/Renderer/PixelDatatype.js b/packages/core/Source/PixelDatatype.js
similarity index 98%
rename from packages/engine/Source/Renderer/PixelDatatype.js
rename to packages/core/Source/PixelDatatype.js
index e34bb3a35722..03bd1f3f98d7 100644
--- a/packages/engine/Source/Renderer/PixelDatatype.js
+++ b/packages/core/Source/PixelDatatype.js
@@ -1,4 +1,4 @@
-import WebGLConstants from "../Core/WebGLConstants.js";
+import WebGLConstants from "./WebGLConstants.js";
 
 /**
  * The data type of a pixel.
diff --git a/packages/core/Source/PixelFormat.js b/packages/core/Source/PixelFormat.js
index 890e1fe027a7..609f328a9d12 100644
--- a/packages/core/Source/PixelFormat.js
+++ b/packages/core/Source/PixelFormat.js
@@ -1,4 +1,4 @@
-import PixelDatatype from "../Renderer/PixelDatatype.js";
+import PixelDatatype from "./PixelDatatype.js";
 import WebGLConstants from "./WebGLConstants.js";
 
 /**
diff --git a/packages/engine/Specs/Scene/AttributeTypeSpec.js b/packages/core/Specs/AttributeTypeSpec.js
similarity index 99%
rename from packages/engine/Specs/Scene/AttributeTypeSpec.js
rename to packages/core/Specs/AttributeTypeSpec.js
index f442bf0bcc98..f49b1683953f 100644
--- a/packages/engine/Specs/Scene/AttributeTypeSpec.js
+++ b/packages/core/Specs/AttributeTypeSpec.js
@@ -6,7 +6,7 @@ import {
   Matrix2,
   Matrix3,
   Matrix4,
-} from "../../index.js";
+} from "../index.js";
 
 describe("Scene/AttributeType", function () {
   it("getMathType works", function () {