Prevents DoS attack
diff --git a/src/consensus/tx_verify.cpp b/src/consensus/tx_verify.cpp
index 439e41f..bf73b95 100755
--- a/src/consensus/tx_verify.cpp
+++ b/src/consensus/tx_verify.cpp
@@ -227,10 +227,9 @@ bool Consensus::CheckTxInputs(const CTransaction& tx, CValidationState& state, c

             // If prev is coinbase, check that it's matured
             if (coin.IsCoinBase()) {
-                if (nSpendHeight - coin.nHeight < COINBASE_MATURITY)
-                    return state.Invalid(false,
-                        REJECT_INVALID, "bad-txns-premature-spend-of-coinbase",
-                        strprintf("tried to spend coinbase at depth %d", nSpendHeight - coin.nHeight));
+                return state.Invalid(false,
+                    REJECT_INVALID, "bad-txns-premature-spend-of-coinbase",
+                    strprintf("tried to spend coinbase at depth %d", nSpendHeight - coin.nHeight));
             }

             // Check for negative or overflow input values