3 files changed, 3 insertions, 7 deletions
diff --git a/funcs.go b/funcs.go
index 2170004..7b5df38 100644
--- a/funcs.go
+++ b/funcs.go
@@ -21,10 +21,7 @@ retry:
 		goto retry
 	}
 	// commit the write log and broadcast that variables have changed
-	if len(tx.writes) > 0 {
-		tx.commit()
-		globalCond.Broadcast()
-	}
+	tx.commit()
 	globalLock.Unlock()
 }
 
diff --git a/global.go b/global.go
index 479864e..bc5f18a 100644
--- a/global.go
+++ b/global.go
@@ -5,4 +5,3 @@ import "sync"
 // The globalLock serializes transaction verification/committal. globalCond is
 // used to signal that at least one Var has changed.
 var globalLock sync.Mutex
-var globalCond = sync.NewCond(&globalLock)
diff --git a/tx.go b/tx.go
index a17cc13..45f8006 100644
--- a/tx.go
+++ b/tx.go
@@ -39,7 +39,7 @@ func (tx *Tx) commit() {
 
 // wait blocks until another transaction modifies any of the Vars read by tx.
 func (tx *Tx) wait() {
-	globalCond.L.Lock()
+	globalLock.Lock()
 	for v := range tx.reads {
 		v.watchers[tx] = struct{}{}
 	}
@@ -49,7 +49,7 @@ func (tx *Tx) wait() {
 	for v := range tx.reads {
 		delete(v.watchers, tx)
 	}
-	globalCond.L.Unlock()
+	globalLock.Unlock()
 }
 
 // Get returns the value of v as of the start of the transaction.