diff --git a/bar.go b/bar.go
index 8b9072b..de14848 100644
--- a/bar.go
+++ b/bar.go
@@ -23,7 +23,6 @@
 
 const (
 	cmdId = 1 << iota
-	cmdTotal
 	cmdCurrent
 	cmdALen
 	cmdPLen
@@ -42,7 +41,7 @@
 	runningBar    *Bar
 	cacheState    *bState
 	operateState  chan func(*bState)
-	cmdValue      chan int64
+	cmdValue      chan int
 	frameReaderCh chan io.Reader
 
 	// done is closed by Bar's goroutine, after cacheState is written
@@ -117,7 +116,7 @@
 		priority:      s.priority,
 		runningBar:    s.runningBar,
 		operateState:  make(chan func(*bState)),
-		cmdValue:      make(chan int64),
+		cmdValue:      make(chan int),
 		frameReaderCh: make(chan io.Reader, 1),
 		done:          make(chan struct{}),
 		shutdown:      make(chan struct{}),
@@ -160,7 +159,7 @@
 func (b *Bar) NumOfAppenders() int {
 	select {
 	case b.cmdValue <- cmdALen:
-		return int(<-b.cmdValue)
+		return <-b.cmdValue
 	case <-b.done:
 		return len(b.cacheState.aDecorators)
 	}
@@ -170,7 +169,7 @@
 func (b *Bar) NumOfPrependers() int {
 	select {
 	case b.cmdValue <- cmdPLen:
-		return int(<-b.cmdValue)
+		return <-b.cmdValue
 	case <-b.done:
 		return len(b.cacheState.pDecorators)
 	}
@@ -180,7 +179,7 @@
 func (b *Bar) ID() int {
 	select {
 	case b.cmdValue <- cmdId:
-		return int(<-b.cmdValue)
+		return <-b.cmdValue
 	case <-b.done:
 		return b.cacheState.id
 	}
@@ -190,19 +189,9 @@
 func (b *Bar) Current() int64 {
 	select {
 	case b.cmdValue <- cmdCurrent:
-		return <-b.cmdValue
+		return int64(<-b.cmdValue)
 	case <-b.done:
 		return b.cacheState.current
-	}
-}
-
-// Total returns bar's total number.
-func (b *Bar) Total() int64 {
-	select {
-	case b.cmdValue <- cmdTotal:
-		return <-b.cmdValue
-	case <-b.done:
-		return b.cacheState.total
 	}
 }
 
@@ -273,17 +262,15 @@
 		case cmd := <-b.cmdValue:
 			switch {
 			case cmd&cmdId != 0:
-				b.cmdValue <- int64(s.id)
-			case cmd&cmdTotal != 0:
-				b.cmdValue <- s.total
+				b.cmdValue <- s.id
 			case cmd&cmdCurrent != 0:
-				b.cmdValue <- s.current
+				b.cmdValue <- int(s.current)
 			case cmd&cmdPLen != 0:
-				b.cmdValue <- int64(len(s.pDecorators))
+				b.cmdValue <- len(s.pDecorators)
 			case cmd&cmdALen != 0:
-				b.cmdValue <- int64(len(s.aDecorators))
+				b.cmdValue <- len(s.aDecorators)
 			case cmd&cmdCompleted != 0:
-				var v int64
+				var v int
 				if s.toComplete {
 					v = 1
 				}
diff --git a/progress_go1.7_test.go b/progress_go1.7_test.go
index 987cd52..6b4adda 100644
--- a/progress_go1.7_test.go
+++ b/progress_go1.7_test.go
@@ -20,10 +20,11 @@
 		mpb.WithShutdownNotifier(shutdown),
 	)
 
+	total := 1000
 	numBars := 3
 	bars := make([]*mpb.Bar, 0, numBars)
 	for i := 0; i < numBars; i++ {
-		bar := p.AddBar(int64(1000), mpb.BarID(i))
+		bar := p.AddBar(int64(total))
 		bars = append(bars, bar)
 		go func() {
 			for !bar.Completed() {
@@ -37,8 +38,8 @@
 
 	p.Wait()
 	for _, bar := range bars {
-		if bar.Current() >= bar.Total() {
-			t.Errorf("bar %d: total = %d, current = %d\n", bar.ID(), bar.Total(), bar.Current())
+		if bar.Current() >= int64(total) {
+			t.Errorf("bar %d: total = %d, current = %d\n", bar.ID(), total, bar.Current())
 		}
 	}
 	select {