diff --git a/orx-noise/src/main/kotlin/Interpolation.kt b/orx-noise/src/main/kotlin/Interpolation.kt
index faafb337..9d4d2326 100644
--- a/orx-noise/src/main/kotlin/Interpolation.kt
+++ b/orx-noise/src/main/kotlin/Interpolation.kt
@@ -15,8 +15,4 @@ fun cubic(a: Double, b: Double, c: Double, d: Double, t: Double): Double {
 
 fun linear(x: Double): Double {
     return x
-}
-
-fun lerp(left: Double, right: Double, x: Double): Double {
-    return left * (1.0 - x) + right * x
 }
\ No newline at end of file
diff --git a/orx-noise/src/main/kotlin/PerlinNoise2D.kt b/orx-noise/src/main/kotlin/PerlinNoise2D.kt
index 9627aff7..14a31ec7 100644
--- a/orx-noise/src/main/kotlin/PerlinNoise2D.kt
+++ b/orx-noise/src/main/kotlin/PerlinNoise2D.kt
@@ -1,6 +1,7 @@
 package org.openrndr.extra.noise
 
 import org.openrndr.math.Vector2
+import org.openrndr.math.mix
 
 fun perlin(seed: Int, x: Double, y: Double) = perlin(seed, x, y, ::linear)
 fun perlinLinear(seed: Int, x: Double, y: Double) = perlin(seed, x, y, ::linear)
@@ -26,8 +27,8 @@ inline fun perlin(seed: Int, x: Double, y: Double, crossinline interpolator: (Do
     val xd1 = xd0 - 1
     val yd1 = yd0 - 1
 
-    val xf0 = lerp(gradCoord2D(seed, x0, y0, xd0, yd0), gradCoord2D(seed, x1, y0, xd1, yd0), xs)
-    val xf1 = lerp(gradCoord2D(seed, x0, y1, xd0, yd1), gradCoord2D(seed, x1, y1, xd1, yd1), xs)
+    val xf0 = mix(gradCoord2D(seed, x0, y0, xd0, yd0), gradCoord2D(seed, x1, y0, xd1, yd0), xs)
+    val xf1 = mix(gradCoord2D(seed, x0, y1, xd0, yd1), gradCoord2D(seed, x1, y1, xd1, yd1), xs)
 
-    return lerp(xf0, xf1, ys)
+    return mix(xf0, xf1, ys)
 }
\ No newline at end of file