diff --git a/server/v2/tests/delete_handler_test.go b/server/v2/tests/delete_handler_test.go
index 82d59321a..04d557f42 100644
--- a/server/v2/tests/delete_handler_test.go
+++ b/server/v2/tests/delete_handler_test.go
@@ -24,6 +24,6 @@ func TestV2DeleteKey(t *testing.T) {
 		resp, err = tests.DeleteForm(fmt.Sprintf("%s%s", s.URL(), "/v2/keys/foo/bar"), url.Values{})
 		body := tests.ReadBody(resp)
 		assert.Nil(t, err, "")
-		assert.Equal(t, string(body), `{"action":"delete","node":{"key":"/foo/bar","prevValue":"XXX","modifiedIndex":3,"createdIndex":2}}`, "")
+		assert.Equal(t, string(body), `{"action":"delete","node":{"key":"/foo/bar","modifiedIndex":3,"createdIndex":2}}`, "")
 	})
 }
diff --git a/server/v2/tests/put_handler_test.go b/server/v2/tests/put_handler_test.go
index 2507f05ad..94082f4cd 100644
--- a/server/v2/tests/put_handler_test.go
+++ b/server/v2/tests/put_handler_test.go
@@ -118,9 +118,6 @@ func TestV2UpdateKeySuccess(t *testing.T) {
 		resp, _ = tests.PutForm(fmt.Sprintf("%s%s", s.URL(), "/v2/keys/foo/bar"), v)
 		body := tests.ReadBodyJSON(resp)
 		assert.Equal(t, body["action"], "update", "")
-
-		node := body["node"].(map[string]interface{})
-		assert.Equal(t, node["prevValue"], "XXX", "")
 	})
 }
 
@@ -178,7 +175,6 @@ func TestV2SetKeyCASOnIndexSuccess(t *testing.T) {
 		body := tests.ReadBodyJSON(resp)
 		assert.Equal(t, body["action"], "compareAndSwap", "")
 		node := body["node"].(map[string]interface{})
-		assert.Equal(t, node["prevValue"], "XXX", "")
 		assert.Equal(t, node["value"], "YYY", "")
 		assert.Equal(t, node["modifiedIndex"], 3, "")
 	})
@@ -240,7 +236,6 @@ func TestV2SetKeyCASOnValueSuccess(t *testing.T) {
 		body := tests.ReadBodyJSON(resp)
 		assert.Equal(t, body["action"], "compareAndSwap", "")
 		node := body["node"].(map[string]interface{})
-		assert.Equal(t, node["prevValue"], "XXX", "")
 		assert.Equal(t, node["value"], "YYY", "")
 		assert.Equal(t, node["modifiedIndex"], 3, "")
 	})
diff --git a/store/node_extern.go b/store/node_extern.go
index 319378f74..514d5c8cf 100644
--- a/store/node_extern.go
+++ b/store/node_extern.go
@@ -10,7 +10,7 @@ import (
 // TTL is time to live in second
 type NodeExtern struct {
 	Key           string      `json:"key, omitempty"`
-	PrevValue     string      `json:"prevValue,omitempty"`
+	PrevValue     string      `json:"-"`
 	Value         string      `json:"value,omitempty"`
 	Dir           bool        `json:"dir,omitempty"`
 	Expiration    *time.Time  `json:"expiration,omitempty"`
diff --git a/tests/functional/simple_multi_node_test.go b/tests/functional/simple_multi_node_test.go
index 0506b95aa..dc8ed3389 100644
--- a/tests/functional/simple_multi_node_test.go
+++ b/tests/functional/simple_multi_node_test.go
@@ -54,7 +54,7 @@ func templateTestSimpleMultiNode(t *testing.T, tls bool) {
 	result, err = c.Set("foo", "bar", 100)
 	node = result.Node
 
-	if err != nil || node.Key != "/foo" || node.Value != "bar" || node.PrevValue != "bar" || node.TTL < 95 {
+	if err != nil || node.Key != "/foo" || node.Value != "bar" || node.TTL < 95 {
 		if err != nil {
 			t.Fatal(err)
 		}
diff --git a/tests/functional/single_node_test.go b/tests/functional/single_node_test.go
index 9294e2f96..95f06c439 100644
--- a/tests/functional/single_node_test.go
+++ b/tests/functional/single_node_test.go
@@ -43,7 +43,7 @@ func TestSingleNode(t *testing.T) {
 	result, err = c.Set("foo", "bar", 100)
 	node = result.Node
 
-	if err != nil || node.Key != "/foo" || node.Value != "bar" || node.PrevValue != "bar" || node.TTL != 100 {
+	if err != nil || node.Key != "/foo" || node.Value != "bar" || node.TTL != 100 {
 		if err != nil {
 			t.Fatal("Set 2: ", err)
 		}
@@ -56,7 +56,7 @@ func TestSingleNode(t *testing.T) {
 	result, err = c.CompareAndSwap("foo", "foobar", 100, "bar", 0)
 	node = result.Node
 
-	if err != nil || node.Key != "/foo" || node.Value != "foobar" || node.PrevValue != "bar" || node.TTL != 100 {
+	if err != nil || node.Key != "/foo" || node.Value != "foobar" || node.TTL != 100 {
 		if err != nil {
 			t.Fatal(err)
 		}