diff --git a/math.go b/math.go
deleted file mode 100644
index 69784f3..0000000
--- a/math.go
+++ /dev/null
@@ -1,15 +0,0 @@
-package pixel
-
-// Clamp returns x clamped to the interval [min, max].
-//
-// If x is less than min, min is returned. If x is more than max, max is returned. Otherwise, x is
-// returned.
-func Clamp(x, min, max float64) float64 {
-	if x < min {
-		return min
-	}
-	if x > max {
-		return max
-	}
-	return x
-}