diff --git a/CoreStore/Saving and Processing/DataStack+Transaction.swift b/CoreStore/Saving and Processing/DataStack+Transaction.swift
index c3aa4bc..11be705 100644
--- a/CoreStore/Saving and Processing/DataStack+Transaction.swift	
+++ b/CoreStore/Saving and Processing/DataStack+Transaction.swift	
@@ -41,8 +41,6 @@ public extension DataStack {
     */
     public func beginAsynchronous(closure: (transaction: AsynchronousDataTransaction) -> Void) {
         
-        CoreStore.assert(NSThread.isMainThread(), "Attempted to begin a transaction from a \(typeName(self)) outside the main thread.")
-        
         AsynchronousDataTransaction(
             mainContext: self.rootSavingContext,
             queue: self.childTransactionQueue,
@@ -57,8 +55,6 @@ public extension DataStack {
     */
     public func beginSynchronous(closure: (transaction: SynchronousDataTransaction) -> Void) -> SaveResult? {
         
-        CoreStore.assert(NSThread.isMainThread(), "Attempted to begin a transaction from a \(typeName(self)) outside the main thread.")
-        
         return SynchronousDataTransaction(
             mainContext: self.rootSavingContext,
             queue: self.childTransactionQueue,
@@ -72,8 +68,6 @@ public extension DataStack {
     */
     public func beginDetached() -> DetachedDataTransaction {
         
-        CoreStore.assert(NSThread.isMainThread(), "Attempted to begin a transaction from a \(typeName(self)) outside the main thread.")
-        
         return DetachedDataTransaction(
             mainContext: self.rootSavingContext,
             queue: .Main)