diff --git a/ORStools/proc/matrix_proc.py b/ORStools/proc/matrix_proc.py
index 6634f364..9e0991bd 100644
--- a/ORStools/proc/matrix_proc.py
+++ b/ORStools/proc/matrix_proc.py
@@ -295,9 +295,3 @@ def get_fields(source_type, destination_type):
         fields.append(QgsField("DIST_KM", QVariant.Double))
 
         return fields
-
-    @staticmethod
-    def chunks(l, n):
-        """Yield successive n-sized chunks from l."""
-        for i in range(0, len(l), n):
-            yield l[i:i + n]