diff --git a/src/validation.cpp b/src/validation.cpp
--- a/src/validation.cpp
+++ b/src/validation.cpp
@@ -1826,11 +1826,7 @@
             nSigOpsCount += GetSigOpCountWithoutP2SH(tx, flags);
         }
 
-        // We do not need to throw when a transaction is duplicated. If they are
-        // in the same block, CheckBlock will catch it, and if they are in a
-        // different block, it'll register as a double spend or BIP30 violation.
-        // In both cases, we get a more meaningful feedback out of it.
-        AddCoins(view, tx, pindex->nHeight, true);
+        AddCoins(view, tx, pindex->nHeight);
     }
 
     for (const auto &ptx : block.vtx) {