diff --git a/ShoulderCase/@Muscle/measureInsertionTangentToSphere.m b/ShoulderCase/@Muscle/measureInsertionTangentToSphere.m
deleted file mode 100644
index e664d3e..0000000
--- a/ShoulderCase/@Muscle/measureInsertionTangentToSphere.m
+++ /dev/null
@@ -1,6 +0,0 @@
-function measureInsertionTangentToSphere(obj, sphere, sliceNormal, polarPointOrientation)
-  obj.insertions = sphere.polarTangentPoint(...
-    obj.getCentroid().coordinates,...
-    sliceNormal,...
-    polarPointOrientation);
-end
\ No newline at end of file