diff --git a/viewport/viewport.go b/viewport/viewport.go
index 4de2bb4..7827f11 100644
--- a/viewport/viewport.go
+++ b/viewport/viewport.go
@@ -389,7 +389,3 @@ func max(a, b int) int {
 	}
 	return b
 }
-
-func clamp(val, low, high int) int {
-	return max(low, min(high, val))
-}