diff --git a/.circleci/config.yml b/.circleci/config.yml
index 8ebf569a5..75819fc6e 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -6,6 +6,9 @@ workflows:
     jobs:
       - prep-deps-npm
       - prep-deps-firefox
+      - prep-build:
+          requires:
+            - prep-deps-npm
       - prep-scss:
           requires:
             - prep-deps-npm
@@ -14,6 +17,7 @@ workflows:
             - prep-deps-npm
       - test-e2e:
           requires:
+            - prep-build
             - prep-deps-npm
       - test-unit:
           requires:
@@ -36,6 +40,15 @@ workflows:
             - prep-deps-npm
             - prep-deps-firefox
             - prep-scss
+      - all-tests-pass:
+          requires:
+            - test-lint
+            - test-unit
+            - test-e2e
+            - test-integration-mascara-chrome
+            - test-integration-mascara-firefox
+            - test-integration-flat-chrome
+            - test-integration-flat-firefox
 
 jobs:
   prep-deps-npm:
@@ -68,6 +81,23 @@ jobs:
           paths:
             - firefox
 
+  prep-build:
+    docker:
+      - image: circleci/node:8-browsers
+    steps:
+      - checkout
+      - restore_cache:
+          key: dependency-cache-{{ checksum "package-lock.json" }}
+      - run:
+          name: build:dist
+          command: npm run dist
+      - run:
+          name: build:debug
+          command: find dist/ -type f -exec md5sum {} \; | sort -k 2
+      - save_cache:
+          key: build-cache-{{ .Revision }}
+          paths:
+            - dist
 
   prep-scss:
     docker:
@@ -106,9 +136,8 @@ jobs:
       - checkout
       - restore_cache:
           key: dependency-cache-{{ checksum "package-lock.json" }}
-      - run:
-          name: Build
-          command: npm run dist
+      - restore_cache:
+          key: build-cache-{{ .Revision }}
       - run:
           name: Test
           command: npm run test:e2e
@@ -217,3 +246,11 @@ jobs:
       - run:
           name: test:integration:mascara
           command: npm run test:mascara
+
+  all-tests-pass:
+    docker:
+      - image: circleci/node:8-browsers
+    steps:
+      - run:
+          name: All Tests Passed
+          command: echo 'weew - everything passed!'
diff --git a/app/scripts/lib/tx-state-manager.js b/app/scripts/lib/tx-state-manager.js
index ad07c813f..ab344ae9b 100644
--- a/app/scripts/lib/tx-state-manager.js
+++ b/app/scripts/lib/tx-state-manager.js
@@ -38,11 +38,6 @@ module.exports = class TransactionStateManager extends EventEmitter {
     }, opts)
   }
 
-  // Returns the number of txs for the current network.
-  getTxCount () {
-    return this.getTxList().length
-  }
-
   getTxList () {
     const network = this.getNetwork()
     const fullTxList = this.getFullTxList()
@@ -88,7 +83,7 @@ module.exports = class TransactionStateManager extends EventEmitter {
     txMeta.history.push(snapshot)
 
     const transactions = this.getFullTxList()
-    const txCount = this.getTxCount()
+    const txCount = transactions.length
     const txHistoryLimit = this.txHistoryLimit
 
     // checks if the length of the tx history is
diff --git a/app/scripts/migrations/023.js b/app/scripts/migrations/023.js
new file mode 100644
index 000000000..bce0a5bea
--- /dev/null
+++ b/app/scripts/migrations/023.js
@@ -0,0 +1,50 @@
+
+const version = 23
+
+/*
+
+This migration removes transactions that are no longer usefull down to 40 total
+
+*/
+
+const clone = require('clone')
+
+module.exports = {
+  version,
+
+  migrate: function (originalVersionedData) {
+    const versionedData = clone(originalVersionedData)
+    versionedData.meta.version = version
+    try {
+      const state = versionedData.data
+      const newState = transformState(state)
+      versionedData.data = newState
+    } catch (err) {
+      console.warn(`MetaMask Migration #${version}` + err.stack)
+    }
+    return Promise.resolve(versionedData)
+  },
+}
+
+function transformState (state) {
+  const newState = state
+  const transactions = newState.TransactionController.transactions
+
+  if (transactions.length <= 40) return newState
+
+  let reverseTxList = transactions.reverse()
+  let stripping = true
+  while (reverseTxList.length > 40 && stripping) {
+    let txIndex = reverseTxList.findIndex((txMeta) => {
+      return (txMeta.status === 'failed' ||
+      txMeta.status === 'rejected' ||
+      txMeta.status === 'confirmed' ||
+      txMeta.status === 'dropped')
+    })
+    if (txIndex < 0) stripping = false
+    else reverseTxList.splice(txIndex, 1)
+  }
+
+  newState.TransactionController.transactions = reverseTxList.reverse()
+  return newState
+}
diff --git a/app/scripts/migrations/index.js b/app/scripts/migrations/index.js
index b49a40c65..811e06b6b 100644
--- a/app/scripts/migrations/index.js
+++ b/app/scripts/migrations/index.js
@@ -33,4 +33,5 @@ module.exports = [
   require('./020'),
   require('./021'),
   require('./022'),
+  require('./023'),
 ]
diff --git a/test/unit/migrations/023-test.js b/test/unit/migrations/023-test.js
new file mode 100644
index 000000000..be432d9fa
--- /dev/null
+++ b/test/unit/migrations/023-test.js
@@ -0,0 +1,99 @@
+const assert = require('assert')
+const migration23 = require('../../../app/scripts/migrations/023')
+const properTime = (new Date()).getTime()
+const storage = {
+  "meta": {},
+  "data": {
+    "TransactionController": {
+      "transactions": [
+      ]
+    },
+  },
+}
+
+const transactions = []
+const transactions40 = []
+const transactions20 = []
+
+const txStates = [
+  'unapproved',
+  'approved',
+  'signed',
+  'submitted',
+  'confirmed',
+  'rejected',
+  'failed',
+  'dropped',
+]
+
+const deletableTxStates = [
+  'confirmed',
+  'rejected',
+  'failed',
+  'dropped',
+]
+
+let nonDeletableCount = 0
+
+let status
+while (transactions.length <= 100) {
+  status = txStates[Math.floor(Math.random() * Math.floor(txStates.length - 1))]
+  if (!deletableTxStates.find((s) => s === status)) nonDeletableCount++
+  transactions.push({status})
+}
+
+while (transactions40.length < 40) {
+  status = txStates[Math.floor(Math.random() * Math.floor(txStates.length - 1))]
+  transactions40.push({status})
+}
+
+while (transactions20.length < 20) {
+  status = txStates[Math.floor(Math.random() * Math.floor(txStates.length - 1))]
+  transactions20.push({status})
+}
+
+
+
+storage.data.TransactionController.transactions = transactions
+
+describe('storage is migrated successfully and the proper transactions are remove from state', () => {
+  it('should remove transactions that are unneeded', (done) => {
+    migration23.migrate(storage)
+    .then((migratedData) => {
+      let leftoverNonDeletableTxCount = 0
+      const migratedTransactions = migratedData.data.TransactionController.transactions
+      migratedTransactions.forEach((tx) => {
+        if (!deletableTxStates.find((s) => s === tx.status)) {
+          leftoverNonDeletableTxCount++
+        }
+      })
+      assert.equal(leftoverNonDeletableTxCount, nonDeletableCount, 'migration shouldnt delete transactions we want to keep')
+      assert((migratedTransactions.length >= 40), `should be equal or greater to 40 if they are non deletable states got ${migratedTransactions.length} transactions`)
+      done()
+    }).catch(done)
+  })
+
+  it('should not remove any transactions because 40 is the expectable limit', (done) => {
+    storage.meta.version = 22
+    storage.data.TransactionController.transactions = transactions40
+    migration23.migrate(storage)
+    .then((migratedData) => {
+      const migratedTransactions = migratedData.data.TransactionController.transactions
+
+      assert.equal(migratedTransactions.length, 40, 'migration shouldnt delete when at limit')
+      done()
+    }).catch(done)
+  })
+
+  it('should not remove any transactions because 20 txs is under the expectable limit', (done) => {
+    storage.meta.version = 22
+    storage.data.TransactionController.transactions = transactions20
+    migration23.migrate(storage)
+    .then((migratedData) => {
+      const migratedTransactions = migratedData.data.TransactionController.transactions
+      assert.equal(migratedTransactions.length, 20, 'migration shouldnt delete when under limit')
+      done()
+    }).catch(done)
+  })
+
+})
diff --git a/test/unit/tx-state-manager-test.js b/test/unit/tx-state-manager-test.js
index 220bf501f..a5ac13664 100644
--- a/test/unit/tx-state-manager-test.js
+++ b/test/unit/tx-state-manager-test.js
@@ -240,12 +240,12 @@ describe('TransactionStateManager', function () {
   })
 
   describe('#wipeTransactions', function () {
-    
+
     const specificAddress = '0xaa'
     const otherAddress = '0xbb'
 
     it('should remove only the transactions from a specific address', function () {
-      
+
       const txMetas = [
         { id: 0, status: 'unapproved', txParams: { from: specificAddress, to: otherAddress }, metamaskNetworkId: currentNetworkId },
         { id: 1, status: 'confirmed', txParams: { from: otherAddress, to: specificAddress }, metamaskNetworkId: currentNetworkId },
@@ -268,7 +268,7 @@ describe('TransactionStateManager', function () {
         { id: 1, status: 'confirmed', txParams: { from: specificAddress, to: otherAddress }, metamaskNetworkId: otherNetworkId },
         { id: 2, status: 'confirmed', txParams: { from: specificAddress, to: otherAddress }, metamaskNetworkId: otherNetworkId },
       ]
-      
+
       txMetas.forEach((txMeta) => txStateManager.addTx(txMeta, noop))
 
       txStateManager.wipeTransactions(specificAddress)