diff --git a/mvcc/key_index_test.go b/mvcc/key_index_test.go
index 44f69084f..bfaed9856 100644
--- a/mvcc/key_index_test.go
+++ b/mvcc/key_index_test.go
@@ -239,7 +239,7 @@ func TestKeyIndexCompact(t *testing.T) {
 				},
 			},
 			map[revision]struct{}{
-				revision{main: 2}: {},
+				{main: 2}: {},
 			},
 		},
 		{
@@ -255,7 +255,7 @@ func TestKeyIndexCompact(t *testing.T) {
 				},
 			},
 			map[revision]struct{}{
-				revision{main: 2}: {},
+				{main: 2}: {},
 			},
 		},
 		{
@@ -271,7 +271,7 @@ func TestKeyIndexCompact(t *testing.T) {
 				},
 			},
 			map[revision]struct{}{
-				revision{main: 4}: {},
+				{main: 4}: {},
 			},
 		},
 		{
@@ -287,7 +287,7 @@ func TestKeyIndexCompact(t *testing.T) {
 				},
 			},
 			map[revision]struct{}{
-				revision{main: 4}: {},
+				{main: 4}: {},
 			},
 		},
 		{
@@ -328,7 +328,7 @@ func TestKeyIndexCompact(t *testing.T) {
 				},
 			},
 			map[revision]struct{}{
-				revision{main: 8}: {},
+				{main: 8}: {},
 			},
 		},
 		{
@@ -343,7 +343,7 @@ func TestKeyIndexCompact(t *testing.T) {
 				},
 			},
 			map[revision]struct{}{
-				revision{main: 8}: {},
+				{main: 8}: {},
 			},
 		},
 		{
@@ -358,7 +358,7 @@ func TestKeyIndexCompact(t *testing.T) {
 				},
 			},
 			map[revision]struct{}{
-				revision{main: 10}: {},
+				{main: 10}: {},
 			},
 		},
 		{
@@ -373,7 +373,7 @@ func TestKeyIndexCompact(t *testing.T) {
 				},
 			},
 			map[revision]struct{}{
-				revision{main: 10}: {},
+				{main: 10}: {},
 			},
 		},
 		{
@@ -411,7 +411,7 @@ func TestKeyIndexCompact(t *testing.T) {
 				},
 			},
 			map[revision]struct{}{
-				revision{main: 14, sub: 1}: {},
+				{main: 14, sub: 1}: {},
 			},
 		},
 		{
@@ -425,7 +425,7 @@ func TestKeyIndexCompact(t *testing.T) {
 				},
 			},
 			map[revision]struct{}{
-				revision{main: 14, sub: 1}: {},
+				{main: 14, sub: 1}: {},
 			},
 		},
 		{
@@ -499,7 +499,7 @@ func TestKeyIndexCompactOnFurtherRev(t *testing.T) {
 		},
 	}
 	wam := map[revision]struct{}{
-		revision{main: 2}: {},
+		{main: 2}: {},
 	}
 	if !reflect.DeepEqual(ki, wki) {
 		t.Errorf("ki = %+v, want %+v", ki, wki)
diff --git a/mvcc/kvstore_compaction_test.go b/mvcc/kvstore_compaction_test.go
index a631ed1ff..b2ee570f9 100644
--- a/mvcc/kvstore_compaction_test.go
+++ b/mvcc/kvstore_compaction_test.go
@@ -48,7 +48,7 @@ func TestScheduleCompaction(t *testing.T) {
 		{
 			1,
 			map[revision]struct{}{
-				revision{main: 1}: {},
+				{main: 1}: {},
 			},
 			revs,
 		},
@@ -56,8 +56,8 @@ func TestScheduleCompaction(t *testing.T) {
 		{
 			3,
 			map[revision]struct{}{
-				revision{main: 2}: {},
-				revision{main: 3}: {},
+				{main: 2}: {},
+				{main: 3}: {},
 			},
 			revs[1:],
 		},
diff --git a/mvcc/kvstore_test.go b/mvcc/kvstore_test.go
index 2bcb87642..6fb1adf5c 100644
--- a/mvcc/kvstore_test.go
+++ b/mvcc/kvstore_test.go
@@ -329,7 +329,7 @@ func TestStoreCompact(t *testing.T) {
 	fi := s.kvindex.(*fakeIndex)
 
 	s.currentRev = revision{3, 0}
-	fi.indexCompactRespc <- map[revision]struct{}{revision{1, 0}: {}}
+	fi.indexCompactRespc <- map[revision]struct{}{{1, 0}: {}}
 	key1 := newTestKeyBytes(revision{1, 0}, false)
 	key2 := newTestKeyBytes(revision{2, 0}, false)
 	b.tx.rangeRespc <- rangeResp{[][]byte{key1, key2}, nil}
diff --git a/rafthttp/urlpick_test.go b/rafthttp/urlpick_test.go
index 458664197..70ebbd326 100644
--- a/rafthttp/urlpick_test.go
+++ b/rafthttp/urlpick_test.go
@@ -28,8 +28,8 @@ func TestURLPickerPickTwice(t *testing.T) {
 
 	u := picker.pick()
 	urlmap := map[url.URL]bool{
-		url.URL{Scheme: "http", Host: "127.0.0.1:2380"}: true,
-		url.URL{Scheme: "http", Host: "127.0.0.1:7001"}: true,
+		{Scheme: "http", Host: "127.0.0.1:2380"}: true,
+		{Scheme: "http", Host: "127.0.0.1:7001"}: true,
 	}
 	if !urlmap[u] {
 		t.Errorf("url picked = %+v, want a possible url in %+v", u, urlmap)
@@ -48,8 +48,8 @@ func TestURLPickerUpdate(t *testing.T) {
 
 	u := picker.pick()
 	urlmap := map[url.URL]bool{
-		url.URL{Scheme: "http", Host: "localhost:2380"}: true,
-		url.URL{Scheme: "http", Host: "localhost:7001"}: true,
+		{Scheme: "http", Host: "localhost:2380"}: true,
+		{Scheme: "http", Host: "localhost:7001"}: true,
 	}
 	if !urlmap[u] {
 		t.Errorf("url picked = %+v, want a possible url in %+v", u, urlmap)