diff --git a/client/daemon/objectstorage/objectstorage.go b/client/daemon/objectstorage/objectstorage.go
index 8fcb6c7e3df..27a0b048727 100644
--- a/client/daemon/objectstorage/objectstorage.go
+++ b/client/daemon/objectstorage/objectstorage.go
@@ -289,7 +289,7 @@ func (o *objectStorage) getObject(ctx *gin.Context) {
 		rg = &rangeValue
 
 		// Range header in dragonfly is without "bytes=".
-		urlMeta.Range = strings.TrimLeft(rangeHeader, "bytes=")
+		urlMeta.Range = strings.TrimPrefix(rangeHeader, "bytes=")
 
 		// When the request has a range header,
 		// there is no need to calculate md5, set this value to empty.
diff --git a/client/daemon/peer/peertask_manager_test.go b/client/daemon/peer/peertask_manager_test.go
index 9a5ff72c775..783f4419c28 100644
--- a/client/daemon/peer/peertask_manager_test.go
+++ b/client/daemon/peer/peertask_manager_test.go
@@ -630,7 +630,7 @@ func TestPeerTaskManager_TaskSuite(t *testing.T) {
 					}
 
 					if tc.httpRange != nil {
-						urlMeta.Range = strings.TrimLeft(tc.httpRange.String(), "bytes=")
+						urlMeta.Range = strings.TrimPrefix(tc.httpRange.String(), "bytes=")
 					}
 
 					if tc.urlGenerator != nil {
diff --git a/client/daemon/transport/transport.go b/client/daemon/transport/transport.go
index bd423387314..08294194145 100644
--- a/client/daemon/transport/transport.go
+++ b/client/daemon/transport/transport.go
@@ -261,7 +261,7 @@ func (rt *transport) download(ctx context.Context, req *http.Request) (*http.Res
 		}
 		rg = &rgs[0]
 		// range in dragonfly is without "bytes="
-		meta.Range = strings.TrimLeft(rangeHeader, "bytes=")
+		meta.Range = strings.TrimPrefix(rangeHeader, "bytes=")
 	}
 
 	// Pick header's parameters
diff --git a/client/dfget/dfget.go b/client/dfget/dfget.go
index 66d3a7b9625..0902e38cc9c 100644
--- a/client/dfget/dfget.go
+++ b/client/dfget/dfget.go
@@ -234,7 +234,7 @@ func parseHeader(s []string) map[string]string {
 func newDownRequest(cfg *config.DfgetConfig, hdr map[string]string) *dfdaemonv1.DownRequest {
 	var rg string
 	if r, ok := hdr[headers.Range]; ok {
-		rg = strings.TrimLeft(r, "bytes=")
+		rg = strings.TrimPrefix(r, "bytes=")
 	} else {
 		rg = cfg.Range
 	}
diff --git a/scheduler/job/job.go b/scheduler/job/job.go
index 834db3675c3..04bc14df782 100644
--- a/scheduler/job/job.go
+++ b/scheduler/job/job.go
@@ -172,7 +172,7 @@ func (j *job) preheat(ctx context.Context, req string) error {
 	if preheat.Headers != nil {
 		if r, ok := preheat.Headers[headers.Range]; ok {
 			// Range in dragonfly is without "bytes=".
-			urlMeta.Range = strings.TrimLeft(r, http.RangePrefix)
+			urlMeta.Range = strings.TrimPrefix(r, http.RangePrefix)
 		}
 	}