diff --git a/packages/redgeometry/src/primitives/quaternion.ts b/packages/redgeometry/src/primitives/quaternion.ts
index dba2e84..67a6db3 100644
--- a/packages/redgeometry/src/primitives/quaternion.ts
+++ b/packages/redgeometry/src/primitives/quaternion.ts
@@ -1,4 +1,4 @@
-import { assertUnreachable } from "../index.js";
+import { assertUnreachable } from "../utility/debug.js";
 import { Point3 } from "./point.js";
 import { Vector3 } from "./vector.js";
 
diff --git a/packages/redgeometry/tests/primitives/matrix.spec.ts b/packages/redgeometry/tests/primitives/matrix.spec.ts
index ccb89c1..4144bb3 100644
--- a/packages/redgeometry/tests/primitives/matrix.spec.ts
+++ b/packages/redgeometry/tests/primitives/matrix.spec.ts
@@ -1,5 +1,5 @@
 import { expect, test } from "vitest";
-import { Complex } from "../../src/index.js";
+import { Complex } from "../../src/primitives/complex.js";
 import { Matrix3, Matrix3A, Matrix4, Matrix4A } from "../../src/primitives/matrix.js";
 import { Point2, Point3 } from "../../src/primitives/point.js";
 import { Quaternion, RotationOrder } from "../../src/primitives/quaternion.js";
diff --git a/packages/redgeometry/tests/utility/set.spec.ts b/packages/redgeometry/tests/utility/set.spec.ts
index 7ff4737..3e0e941 100644
--- a/packages/redgeometry/tests/utility/set.spec.ts
+++ b/packages/redgeometry/tests/utility/set.spec.ts
@@ -1,5 +1,5 @@
 import { expect, test } from "vitest";
-import { Bitset } from "../../src/index.js";
+import { Bitset } from "../../src/utility/set.js";
 
 test("BitSet.eq", () => {
     const b1 = Bitset.fromElements([0]);