diff --git a/src/vec2-impl.ts b/src/vec2-impl.ts
index 630f3a3..db45f51 100644
--- a/src/vec2-impl.ts
+++ b/src/vec2-impl.ts
@@ -646,7 +646,7 @@ export function transformMat3(v: Vec2, m: Mat3, dst?: Vec2): Vec2 {
 
 /**
  * Rotate a 2D vector
- * 
+ *
  * @param a The vec2 point to rotate
  * @param b The origin of the rotation
  * @param rad The angle of rotation in radians
@@ -656,10 +656,10 @@ export function rotate(a: Vec2, b: Vec2, rad: number, dst?: Vec2) {
   dst = dst || new VecType(2);
 
   // Translate point to the origin
-  const p0 = a[0] - b[0],
-    p1 = a[1] - b[1],
-    sinC = Math.sin(rad),
-    cosC = Math.cos(rad);
+  const p0 = a[0] - b[0];
+  const p1 = a[1] - b[1];
+  const sinC = Math.sin(rad);
+  const cosC = Math.cos(rad);
 
   //perform rotation and translate to correct position
   dst[0] = p0 * cosC - p1 * sinC + b[0];
diff --git a/src/vec3-impl.ts b/src/vec3-impl.ts
index c415a7b..a8eb263 100644
--- a/src/vec3-impl.ts
+++ b/src/vec3-impl.ts
@@ -790,7 +790,7 @@ export function getScaling(m: Mat4, dst: Vec3) {
 
 /**
  * Rotate a 3D vector around the x-axis
- * 
+ *
  * @param {ReadonlyVec3} a The vec3 point to rotate
  * @param {ReadonlyVec3} b The origin of the rotation
  * @param {Number} rad The angle of rotation in radians
@@ -799,8 +799,9 @@ export function getScaling(m: Mat4, dst: Vec3) {
  */
 export function rotateX(a: Vec3, b: Vec3, rad: number, dst?: Vec3) {
   dst = dst || new VecType(3);
-  let p = [],
-    r = [];
+  const p = [];
+  const r = [];
+
   //Translate point to the origin
   p[0] = a[0] - b[0];
   p[1] = a[1] - b[1];
@@ -821,7 +822,7 @@ export function rotateX(a: Vec3, b: Vec3, rad: number, dst?: Vec3) {
 
 /**
  * Rotate a 3D vector around the y-axis
- * 
+ *
  * @param {ReadonlyVec3} a The vec3 point to rotate
  * @param {ReadonlyVec3} b The origin of the rotation
  * @param {Number} rad The angle of rotation in radians
@@ -830,8 +831,9 @@ export function rotateX(a: Vec3, b: Vec3, rad: number, dst?: Vec3) {
  */
 export function rotateY(a: Vec3, b: Vec3, rad: number, dst?: Vec3) {
   dst = dst || new VecType(3);
-  let p = [],
-    r = [];
+  const p = [];
+  const r = [];
+
   // translate point to the origin
   p[0] = a[0] - b[0];
   p[1] = a[1] - b[1];
@@ -852,7 +854,7 @@ export function rotateY(a: Vec3, b: Vec3, rad: number, dst?: Vec3) {
 
 /**
  * Rotate a 3D vector around the z-axis
- * 
+ *
  * @param {ReadonlyVec3} a The vec3 point to rotate
  * @param {ReadonlyVec3} b The origin of the rotation
  * @param {Number} rad The angle of rotation in radians
@@ -861,8 +863,9 @@ export function rotateY(a: Vec3, b: Vec3, rad: number, dst?: Vec3) {
  */
 export function rotateZ(a: Vec3, b: Vec3, rad: number, dst?: Vec3) {
   dst = dst || new VecType(3);
-  let p = [],
-    r = [];
+  const p = [];
+  const r = [];
+
   // translate point to the origin
   p[0] = a[0] - b[0];
   p[1] = a[1] - b[1];