diff --git a/logs/log.go b/logs/log.go
index 3b3e2208..a5982e45 100644
--- a/logs/log.go
+++ b/logs/log.go
@@ -152,7 +152,7 @@ func (bl *BeeLogger) SetLogger(adapterName string, config string) error {
 			return fmt.Errorf("logs: duplicate adaptername %q (you have set this logger before)", adapterName)
 		}
 	}
-	
+
 	log, ok := adapters[adapterName]
 	if !ok {
 		return fmt.Errorf("logs: unknown adaptername %q (forgotten Register?)", adapterName)
diff --git a/logs/logger.go b/logs/logger.go
index 323c41c5..b25bfaef 100644
--- a/logs/logger.go
+++ b/logs/logger.go
@@ -12,7 +12,6 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-
 package logs
 
 import (
diff --git a/tree.go b/tree.go
index 0601099c..25b78e50 100644
--- a/tree.go
+++ b/tree.go
@@ -141,7 +141,7 @@ func (t *Tree) addtree(segments []string, tree *Tree, wildcards []string, reg st
 				regexpStr = "([^.]+).(.+)"
 				params = params[1:]
 			} else {
-				for _ = range params {
+				for range params {
 					regexpStr = "([^/]+)/" + regexpStr
 				}
 			}
@@ -254,7 +254,7 @@ func (t *Tree) addseg(segments []string, route interface{}, wildcards []string,
 					regexpStr = "/([^.]+).(.+)"
 					params = params[1:]
 				} else {
-					for _ = range params {
+					for range params {
 						regexpStr = "/([^/]+)" + regexpStr
 					}
 				}