diff --git a/lib/bcoin/tx.js b/lib/bcoin/tx.js
index e73dedcf..92186fa1 100644
--- a/lib/bcoin/tx.js
+++ b/lib/bcoin/tx.js
@@ -137,9 +137,7 @@ TX.prototype.fromOptions = function fromOptions(options) {
 
   if (options.ps != null) {
     assert(utils.isNumber(options.ps));
-    this.ps = this.ts === 0
-      ? options.ps
-      : 0;
+    this.ps = options.ps;
   }
 
   if (options.height != null) {
@@ -180,7 +178,6 @@ TX.prototype.setBlock = function setBlock(block, index) {
   this.block = block.hash('hex');
   this.height = block.height;
   this.index = index == null ? -1 : index;
-  this.ps = 0;
 };
 
 /**
@@ -192,7 +189,6 @@ TX.prototype.unsetBlock = function unsetBlock() {
   this.block = null;
   this.height = -1;
   this.index = -1;
-  this.ps = utils.now();
 };
 
 /**
diff --git a/lib/bcoin/txdb.js b/lib/bcoin/txdb.js
index 88162cf6..3d552d0e 100644
--- a/lib/bcoin/txdb.js
+++ b/lib/bcoin/txdb.js
@@ -458,25 +458,22 @@ TXDB.prototype._add = function add(tx, map, callback, force) {
 
     batch.put('t/' + hash, tx.toExtended());
 
-    if (tx.ts === 0) {
+    if (tx.ts === 0)
       batch.put('p/' + hash, DUMMY);
-      batch.put('m/' + pad32(tx.ps) + '/' + hash, DUMMY);
-    } else {
+    else
       batch.put('h/' + pad32(tx.height) + '/' + hash, DUMMY);
-      batch.put('m/' + pad32(tx.ts) + '/' + hash, DUMMY);
-    }
+
+    batch.put('m/' + pad32(tx.ps) + '/' + hash, DUMMY);
 
     for (i = 0; i < map.accounts.length; i++) {
       path = map.accounts[i];
       id = path.id + '/' + path.account;
       batch.put('T/' + id + '/' + hash, DUMMY);
-      if (tx.ts === 0) {
+      if (tx.ts === 0)
         batch.put('P/' + id + '/' + hash, DUMMY);
-        batch.put('M/' + id + '/' + pad32(tx.ps) + '/' + hash, DUMMY);
-      } else {
+      else
         batch.put('H/' + id + '/' + pad32(tx.height) + '/' + hash, DUMMY);
-        batch.put('M/' + id + '/' + pad32(tx.ts) + '/' + hash, DUMMY);
-      }
+      batch.put('M/' + id + '/' + pad32(tx.ps) + '/' + hash, DUMMY);
     }
 
     // Consume unspent money or add orphans
@@ -875,22 +872,17 @@ TXDB.prototype._confirm = function _confirm(tx, map, callback, force) {
     // Tricky - update the tx and coin in storage,
     // and remove pending flag to mark as confirmed.
     assert(tx.height >= 0);
-    assert(existing.ps > 0);
 
     batch.put('t/' + hash, tx.toExtended());
 
     batch.del('p/' + hash);
     batch.put('h/' + pad32(tx.height) + '/' + hash, DUMMY);
-    batch.del('m/' + pad32(existing.ps) + '/' + hash);
-    batch.put('m/' + pad32(tx.ts) + '/' + hash, DUMMY);
 
     for (i = 0; i < map.accounts.length; i++) {
       path = map.accounts[i];
       id = path.id + '/' + path.account;
       batch.del('P/' + id + '/' + hash);
       batch.put('H/' + id + '/' + pad32(tx.height) + '/' + hash, DUMMY);
-      batch.del('M/' + id + '/' + pad32(existing.ps) + '/' + hash);
-      batch.put('M/' + id + '/' + pad32(tx.ts) + '/' + hash, DUMMY);
     }
 
     utils.forEachSerial(tx.outputs, function(output, next, i) {
@@ -1020,25 +1012,22 @@ TXDB.prototype._remove = function remove(tx, map, callback, force) {
 
   batch.del('t/' + hash);
 
-  if (tx.ts === 0) {
+  if (tx.ts === 0)
     batch.del('p/' + hash);
-    batch.del('m/' + pad32(tx.ps) + '/' + hash);
-  } else {
+  else
     batch.del('h/' + pad32(tx.height) + '/' + hash);
-    batch.del('m/' + pad32(tx.ts) + '/' + hash);
-  }
+
+  batch.del('m/' + pad32(tx.ps) + '/' + hash);
 
   for (i = 0; i < map.accounts.length; i++) {
     path = map.accounts[i];
     id = path.id + '/' + path.account;
     batch.del('T/' + id + '/' + hash);
-    if (tx.ts === 0) {
+    if (tx.ts === 0)
       batch.del('P/' + id + '/' + hash);
-      batch.del('M/' + id + '/' + pad32(tx.ps) + '/' + hash);
-    } else {
+    else
       batch.del('H/' + id + '/' + pad32(tx.height) + '/' + hash);
-      batch.del('M/' + id + '/' + pad32(tx.ts) + '/' + hash);
-    }
+    batch.del('M/' + id + '/' + pad32(tx.ps) + '/' + hash);
   }
 
   this.fillHistory(tx, function(err) {
@@ -1155,7 +1144,7 @@ TXDB.prototype.unconfirm = function unconfirm(hash, callback, force) {
 
 TXDB.prototype._unconfirm = function unconfirm(tx, map, callback, force) {
   var self = this;
-  var batch, unlock, hash, height, ts, i, path, id;
+  var batch, unlock, hash, height, i, path, id;
 
   unlock = this._lock(unconfirm, [tx, map, callback], force);
 
@@ -1166,7 +1155,6 @@ TXDB.prototype._unconfirm = function unconfirm(tx, map, callback, force) {
 
   hash = tx.hash('hex');
   height = tx.height;
-  ts = tx.ts;
 
   batch = this.db.batch();
 
@@ -1174,7 +1162,6 @@ TXDB.prototype._unconfirm = function unconfirm(tx, map, callback, force) {
     return callback(null, false, map);
 
   tx.height = -1;
-  tx.ps = utils.now();
   tx.ts = 0;
   tx.index = -1;
   tx.block = null;
@@ -1183,16 +1170,12 @@ TXDB.prototype._unconfirm = function unconfirm(tx, map, callback, force) {
 
   batch.put('p/' + hash, DUMMY);
   batch.del('h/' + pad32(height) + '/' + hash);
-  batch.del('m/' + pad32(ts) + '/' + hash);
-  batch.put('m/' + pad32(tx.ps) + '/' + hash, DUMMY);
 
   for (i = 0; i < map.accounts.length; i++) {
     path = map.accounts[i];
     id = path.id + '/' + path.account;
     batch.put('P/' + id + '/' + hash, DUMMY);
     batch.del('H/' + id + '/' + pad32(height) + '/' + hash);
-    batch.del('M/' + id + '/' + pad32(ts) + '/' + hash);
-    batch.put('M/' + id + '/' + pad32(tx.ps) + '/' + hash, DUMMY);
   }
 
   utils.forEachSerial(tx.outputs, function(output, next, i) {