diff --git a/spreadflow_thumbor/proc.py b/spreadflow_thumbor/proc.py
index 971b5f1..27af682 100644
--- a/spreadflow_thumbor/proc.py
+++ b/spreadflow_thumbor/proc.py
@@ -37,7 +37,3 @@ def __call__(self, item, send):
             item['data'][oid][self.destkey] = self.service.generate_url(options)
 
         send(item, self)
-
-    @property
-    def dependencies(self):
-        yield (self, self.service)