diff --git a/geomagio/residual/Calculation.py b/geomagio/residual/Calculation.py
index 8d091d9f36a519c7f83799210bbf32f64b31afc0..e3b6e75fb2a26c3ef1a35955d85038be8275bea0 100644
--- a/geomagio/residual/Calculation.py
+++ b/geomagio/residual/Calculation.py
@@ -94,7 +94,7 @@ def calculate(reading):
 
     result = [resultH, resultD, resultZ]
 
-    return result, scale
+    return result
 
 
 def calculate_I(measurements, ordinates, ordinates_index, mean, metadata):