diff --git a/nafuma/auxillary.py b/nafuma/auxillary.py
index 8e428b5..4931a79 100644
--- a/nafuma/auxillary.py
+++ b/nafuma/auxillary.py
@@ -50,16 +50,6 @@ def load_options(path):
 
 
 
-def swap_values(dict, key1, key2):
-
-    key1_val = dict[key1]
-    dict[key1] = dict[key2]
-    dict[key2] = key1_val
-
-    return dict
-
-
-
 def ceil(a, roundto=1):
 
     fac = 1/roundto
@@ -195,4 +185,4 @@ def find_neighbours(value, df, colname, start=0, end=-1):
 
 def isnan(value):
 
-    return value!=value
\ No newline at end of file
+    return value!=value