diff --git a/test/utils/__snapshots__/functions.test.ts.snap b/test/utils/__snapshots__/functions.test.ts.snap
index 5e47ffe..843768f 100644
--- a/test/utils/__snapshots__/functions.test.ts.snap
+++ b/test/utils/__snapshots__/functions.test.ts.snap
@@ -46,8 +46,6 @@ exports[`functions should be calculate csch 1`] = `0.8509181282393216`;
 
 exports[`functions should be calculate deg2rad 1`] = `0.017453292519943295`;
 
-exports[`functions should be calculate derivative 1`] = `[Function]`;
-
 exports[`functions should be calculate gamma 1`] = `1`;
 
 exports[`functions should be calculate linearInterpolate 1`] = `0.75`;