diff --git a/bigchaindb/exceptions.py b/bigchaindb/exceptions.py
index 336ce231..bb5d7c01 100644
--- a/bigchaindb/exceptions.py
+++ b/bigchaindb/exceptions.py
@@ -4,7 +4,3 @@ class BigchainDBError(Exception):
 
 class CriticalDoubleSpend(BigchainDBError):
     """Data integrity error that requires attention"""
-
-
-class CriticalDoubleInclusion(BigchainDBError):
-    """Data integrity error that requires attention"""