diff --git a/api/client.go b/api/client.go
index c3f6cc8..1aa1591 100644
--- a/api/client.go
+++ b/api/client.go
@@ -15,6 +15,7 @@
 package api
 
 import (
+	"context"
 	"io/ioutil"
 	"net"
 	"net/http"
@@ -23,7 +24,6 @@ import (
 	"strings"
 	"time"
 
-	"golang.org/x/net/context"
 	"golang.org/x/net/context/ctxhttp"
 )
 
diff --git a/api/prometheus/v1/api.go b/api/prometheus/v1/api.go
index 99bc0cd..d849b09 100644
--- a/api/prometheus/v1/api.go
+++ b/api/prometheus/v1/api.go
@@ -16,14 +16,13 @@
 package v1
 
 import (
+	"context"
 	"encoding/json"
 	"fmt"
 	"net/http"
 	"strconv"
 	"time"
 
-	"golang.org/x/net/context"
-
 	"github.com/prometheus/client_golang/api"
 	"github.com/prometheus/common/model"
 )
diff --git a/api/prometheus/v1/api_test.go b/api/prometheus/v1/api_test.go
index 57a9192..0b7a635 100644
--- a/api/prometheus/v1/api_test.go
+++ b/api/prometheus/v1/api_test.go
@@ -14,6 +14,7 @@
 package v1
 
 import (
+	"context"
 	"encoding/json"
 	"fmt"
 	"net/http"
@@ -23,8 +24,6 @@ import (
 	"testing"
 	"time"
 
-	"golang.org/x/net/context"
-
 	"github.com/prometheus/common/model"
 )