diff --git a/core/types/utxo.go b/core/types/utxo.go
index 0379053143..4e227c1e91 100644
--- a/core/types/utxo.go
+++ b/core/types/utxo.go
@@ -47,12 +47,12 @@ func init() {
 	Denominations[14] = big.NewInt(1000000000) // 1000000 Qi
 
 	TrimDepths = make(map[uint8]uint64)
-	TrimDepths[0] = 720  // 2 hours
-	TrimDepths[1] = 720  // 2 hours
-	TrimDepths[2] = 1080 // 3 hours
-	TrimDepths[3] = 1080 // 3 hours
-	TrimDepths[4] = 2160 // 6 hours
-	TrimDepths[5] = 4320 // 12 hours
+	TrimDepths[0] = 20  // 2 hours
+	TrimDepths[1] = 50  // 2 hours
+	TrimDepths[2] = 70  // 3 hours
+	TrimDepths[3] = 90  // 3 hours
+	TrimDepths[4] = 110 // 6 hours
+	TrimDepths[5] = 130 // 12 hours
 }
 
 type TxIns []TxIn
diff --git a/params/protocol_params.go b/params/protocol_params.go
index 78c0e7e444..ce0d985d77 100644
--- a/params/protocol_params.go
+++ b/params/protocol_params.go
@@ -152,8 +152,7 @@ const (
 	NewConversionLockPeriod       uint64 = 7200
 	MinQiConversionDenomination          = 10
 	ConversionConfirmationContext        = common.PRIME_CTX // A conversion requires a single coincident Dom confirmation
-	SoftMaxUTXOSetSize                   = math.MaxInt      // The soft maximum number of UTXOs that can be stored in the UTXO set
-	MinimumTrimDepth                     = math.MaxInt      // The minimum block depth of the chain to begin trimming
+	MinimumTrimDepth                     = 0                // The minimum block depth of the chain to begin trimming
 	QiToQuaiConversionGas                = 100000           // The gas used to convert Qi to Quai
 	DefaultCoinbaseLockup                = 0                // The default lockup byte for coinbase rewards
 )