diff --git a/ensemble_md/replica_exchange_EE.py b/ensemble_md/replica_exchange_EE.py
index a44aea3..2b61299 100644
--- a/ensemble_md/replica_exchange_EE.py
+++ b/ensemble_md/replica_exchange_EE.py
@@ -790,7 +790,6 @@ def extract_final_log_info(self, log_files):
 
         return wl_delta, weights, counts
 
-    @staticmethod
     def identify_swappable_pairs(self, states, state_ranges, neighbor_exchange, add_swappables=None, iteration=None):
         """
         Identifies swappable pairs. By definition, a pair of simulation is considered swappable only if