diff --git a/storage/remote/queue_manager_test.go b/storage/remote/queue_manager_test.go
index cb5cee9a44..aec783c4db 100644
--- a/storage/remote/queue_manager_test.go
+++ b/storage/remote/queue_manager_test.go
@@ -17,7 +17,6 @@ import (
 	"context"
 	"fmt"
 	"math"
-	"net/url"
 	"os"
 	"runtime/pprof"
 	"sort"
@@ -32,7 +31,6 @@ import (
 	"github.com/golang/snappy"
 	"github.com/prometheus/client_golang/prometheus"
 	client_testutil "github.com/prometheus/client_golang/prometheus/testutil"
-	common_config "github.com/prometheus/common/config"
 	"github.com/prometheus/common/model"
 	"github.com/stretchr/testify/require"
 	"go.uber.org/atomic"
@@ -84,20 +82,15 @@ func TestSampleDelivery(t *testing.T) {
 	queueConfig.BatchSendDeadline = model.Duration(100 * time.Millisecond)
 	queueConfig.MaxShards = 1
 
-	writeConfig := config.DefaultRemoteWriteConfig
 	// We need to set URL's so that metric creation doesn't panic.
-	writeConfig.URL = &common_config.URL{
-		URL: &url.URL{
-			Host: "http://test-storage.com",
-		},
-	}
+	writeConfig := baseRemoteWriteConfig("http://test-storage.com")
 	writeConfig.QueueConfig = queueConfig
 	writeConfig.SendExemplars = true
 
 	conf := &config.Config{
 		GlobalConfig: config.DefaultGlobalConfig,
 		RemoteWriteConfigs: []*config.RemoteWriteConfig{
-			&writeConfig,
+			writeConfig,
 		},
 	}
 
diff --git a/storage/remote/storage_test.go b/storage/remote/storage_test.go
index da2b689c07..5723a6d0ca 100644
--- a/storage/remote/storage_test.go
+++ b/storage/remote/storage_test.go
@@ -31,21 +31,11 @@ func TestStorageLifecycle(t *testing.T) {
 	conf := &config.Config{
 		GlobalConfig: config.DefaultGlobalConfig,
 		RemoteWriteConfigs: []*config.RemoteWriteConfig{
-			&config.DefaultRemoteWriteConfig,
+			// We need to set URL's so that metric creation doesn't panic.
+			baseRemoteWriteConfig("http://test-storage.com"),
 		},
 		RemoteReadConfigs: []*config.RemoteReadConfig{
-			&config.DefaultRemoteReadConfig,
-		},
-	}
-	// We need to set URL's so that metric creation doesn't panic.
-	conf.RemoteWriteConfigs[0].URL = &common_config.URL{
-		URL: &url.URL{
-			Host: "http://test-storage.com",
-		},
-	}
-	conf.RemoteReadConfigs[0].URL = &common_config.URL{
-		URL: &url.URL{
-			Host: "http://test-storage.com",
+			baseRemoteReadConfig("http://test-storage.com"),
 		},
 	}
 
@@ -73,7 +63,7 @@ func TestUpdateRemoteReadConfigs(t *testing.T) {
 	require.Equal(t, 0, len(s.queryables))
 
 	conf.RemoteReadConfigs = []*config.RemoteReadConfig{
-		&config.DefaultRemoteReadConfig,
+		baseRemoteReadConfig("http://test-storage.com"),
 	}
 	require.NoError(t, s.ApplyConfig(conf))
 	require.Equal(t, 1, len(s.queryables))
@@ -96,7 +86,7 @@ func TestFilterExternalLabels(t *testing.T) {
 	require.Equal(t, 0, len(s.queryables))
 
 	conf.RemoteReadConfigs = []*config.RemoteReadConfig{
-		&config.DefaultRemoteReadConfig,
+		baseRemoteReadConfig("http://test-storage.com"),
 	}
 
 	require.NoError(t, s.ApplyConfig(conf))
@@ -121,7 +111,7 @@ func TestIgnoreExternalLabels(t *testing.T) {
 	require.Equal(t, 0, len(s.queryables))
 
 	conf.RemoteReadConfigs = []*config.RemoteReadConfig{
-		&config.DefaultRemoteReadConfig,
+		baseRemoteReadConfig("http://test-storage.com"),
 	}
 
 	conf.RemoteReadConfigs[0].FilterExternalLabels = false
@@ -133,3 +123,27 @@ func TestIgnoreExternalLabels(t *testing.T) {
 	err := s.Close()
 	require.NoError(t, err)
 }
+
+// baseRemoteWriteConfig copy values from global Default Write config
+// to avoid change global state and cross impact test execution
+func baseRemoteWriteConfig(host string) *config.RemoteWriteConfig {
+	cfg := config.DefaultRemoteWriteConfig
+	cfg.URL = &common_config.URL{
+		URL: &url.URL{
+			Host: host,
+		},
+	}
+	return &cfg
+}
+
+// baseRemoteReadConfig copy values from global Default Read config
+// to avoid change global state and cross impact test execution
+func baseRemoteReadConfig(host string) *config.RemoteReadConfig {
+	cfg := config.DefaultRemoteReadConfig
+	cfg.URL = &common_config.URL{
+		URL: &url.URL{
+			Host: host,
+		},
+	}
+	return &cfg
+}
diff --git a/storage/remote/write_test.go b/storage/remote/write_test.go
index d92b65852a..3210f9018a 100644
--- a/storage/remote/write_test.go
+++ b/storage/remote/write_test.go
@@ -202,7 +202,7 @@ func TestWriteStorageLifecycle(t *testing.T) {
 	conf := &config.Config{
 		GlobalConfig: config.DefaultGlobalConfig,
 		RemoteWriteConfigs: []*config.RemoteWriteConfig{
-			&config.DefaultRemoteWriteConfig,
+			baseRemoteWriteConfig("http://test-storage.com"),
 		},
 	}
 	require.NoError(t, s.ApplyConfig(conf))
@@ -249,18 +249,7 @@ func TestWriteStorageApplyConfigsIdempotent(t *testing.T) {
 	conf := &config.Config{
 		GlobalConfig: config.GlobalConfig{},
 		RemoteWriteConfigs: []*config.RemoteWriteConfig{
-			{
-				RemoteTimeout:    config.DefaultRemoteWriteConfig.RemoteTimeout,
-				QueueConfig:      config.DefaultRemoteWriteConfig.QueueConfig,
-				MetadataConfig:   config.DefaultRemoteWriteConfig.MetadataConfig,
-				HTTPClientConfig: config.DefaultRemoteWriteConfig.HTTPClientConfig,
-				// We need to set URL's so that metric creation doesn't panic.
-				URL: &common_config.URL{
-					URL: &url.URL{
-						Host: "http://test-storage.com",
-					},
-				},
-			},
+			baseRemoteWriteConfig("http://test-storage.com"),
 		},
 	}
 	hash, err := toHash(conf.RemoteWriteConfigs[0])