diff --git a/src/mol-math/linear-algebra/3d/mat4.ts b/src/mol-math/linear-algebra/3d/mat4.ts
index f57fc231c922fb441a10f85fed0355f40354471c..d6ae371a603ef818f18af65ed9ed6c9a2b48b928 100644
--- a/src/mol-math/linear-algebra/3d/mat4.ts
+++ b/src/mol-math/linear-algebra/3d/mat4.ts
@@ -1070,9 +1070,9 @@ namespace Mat4 {
         return Math.sqrt(Math.max(scaleXSq, scaleYSq, scaleZSq));
     }
 
-    const xAxis = Vec3.create(1, 0, 0);
-    const yAxis = Vec3.create(0, 1, 0);
-    const zAxis = Vec3.create(0, 0, 1);
+    const xAxis = [1, 0, 0] as Vec3;
+    const yAxis = [0, 1, 0] as Vec3;
+    const zAxis = [0, 0, 1] as Vec3;
 
     /** Rotation matrix for 90deg around x-axis */
     export const rotX90: ReadonlyMat4 = fromRotation(zero(), degToRad(90), xAxis);
diff --git a/src/mol-math/linear-algebra/3d/quat.ts b/src/mol-math/linear-algebra/3d/quat.ts
index 2f9872490cf78312a5408999668741e5e8f1c467..31707d8099acfb3a07d75ac5a84c5aa9699db15b 100644
--- a/src/mol-math/linear-algebra/3d/quat.ts
+++ b/src/mol-math/linear-algebra/3d/quat.ts
@@ -277,7 +277,7 @@ namespace Quat {
         return out;
     }
 
-    const fromUnitVec3Temp = Vec3();
+    const fromUnitVec3Temp = [0, 0, 0] as Vec3;
     /** Quaternion from two normalized unit vectors. */
     export function fromUnitVec3 (out: Quat, a: Vec3, b: Vec3) {
         // assumes a and b are normalized
@@ -376,9 +376,9 @@ namespace Quat {
      *
      * Both vectors are assumed to be unit length.
      */
-    const rotTmpVec3 = Vec3();
-    const rotTmpVec3UnitX = Vec3.create(1, 0, 0);
-    const rotTmpVec3UnitY = Vec3.create(0, 1, 0);
+    const rotTmpVec3 = [0, 0, 0] as Vec3;
+    const rotTmpVec3UnitX = [1, 0, 0] as Vec3;
+    const rotTmpVec3UnitY = [0, 1, 0] as Vec3;
     export function rotationTo(out: Quat, a: Vec3, b: Vec3) {
         let dot = Vec3.dot(a, b);
         if (dot < -0.999999) {
@@ -421,7 +421,7 @@ namespace Quat {
      * axes. Each axis is a vec3 and is expected to be unit length and
      * perpendicular to all other specified axes.
      */
-    const axesTmpMat = Mat3();
+    const axesTmpMat = [0, 0, 0, 0, 0, 0, 0, 0, 0] as Mat3;
     export function setAxes(out: Quat, view: Vec3, right: Vec3, up: Vec3) {
         axesTmpMat[0] = right[0];
         axesTmpMat[3] = right[1];
diff --git a/src/mol-math/linear-algebra/_spec/tensor.spec.ts b/src/mol-math/linear-algebra/_spec/tensor.spec.ts
index 923e6455e4369ad8a006563d0d052326e3924c6d..f2a283bb7b816c3b079b1098baf512991e763133 100644
--- a/src/mol-math/linear-algebra/_spec/tensor.spec.ts
+++ b/src/mol-math/linear-algebra/_spec/tensor.spec.ts
@@ -52,7 +52,7 @@ describe('tensor', () => {
     it('mat4 equiv', () => {
         const M = T.ColumnMajorMatrix(4, 4);
         const data = M.create();
-        const m = Mat4.zero();
+        const m = Mat4();
 
         for (let i = 0; i < 4; i++) {
             for (let j = 0; j < 4; j++) {