diff --git a/backend/src/app/db.clj b/backend/src/app/db.clj
index d2b6f7cc1..d1debe094 100644
--- a/backend/src/app/db.clj
+++ b/backend/src/app/db.clj
@@ -5,7 +5,7 @@
 ;; This Source Code Form is "Incompatible With Secondary Licenses", as
 ;; defined by the Mozilla Public License, v. 2.0.
 ;;
-;; Copyright (c) 2020 UXBOX Labs SL
+;; Copyright (c) UXBOX Labs SL
 
 (ns app.db
   (:require
@@ -16,8 +16,8 @@
    [app.db.sql :as sql]
    [app.metrics :as mtx]
    [app.util.json :as json]
-   [app.util.migrations :as mg]
    [app.util.logging :as l]
+   [app.util.migrations :as mg]
    [app.util.time :as dt]
    [app.util.transit :as t]
    [clojure.java.io :as io]
diff --git a/backend/src/app/http.clj b/backend/src/app/http.clj
index 011cd391f..ed86ccd12 100644
--- a/backend/src/app/http.clj
+++ b/backend/src/app/http.clj
@@ -17,7 +17,6 @@
    [app.metrics :as mtx]
    [app.util.logging :as l]
    [clojure.spec.alpha :as s]
-   [clojure.tools.logging :as log]
    [integrant.core :as ig]
    [reitit.ring :as rr]
    [ring.adapter.jetty9 :as jetty])
diff --git a/backend/src/app/http/awsns.clj b/backend/src/app/http/awsns.clj
index 7dccbb08c..77ebf4c6f 100644
--- a/backend/src/app/http/awsns.clj
+++ b/backend/src/app/http/awsns.clj
@@ -15,7 +15,6 @@
    [app.db.sql :as sql]
    [app.util.http :as http]
    [app.util.logging :as l]
-   [clojure.pprint :refer [pprint]]
    [clojure.spec.alpha :as s]
    [cuerdas.core :as str]
    [integrant.core :as ig]
diff --git a/backend/src/app/http/middleware.clj b/backend/src/app/http/middleware.clj
index c281a4bf0..c117a9a8e 100644
--- a/backend/src/app/http/middleware.clj
+++ b/backend/src/app/http/middleware.clj
@@ -178,6 +178,6 @@
                 ::l/logger logger
                 :ip-addr ip-addr
                 :profile-id profile-id
-                :uri (str (:uri request) (if qstring (str "?" qstring)))
+                :uri (str (:uri request) (when qstring (str "?" qstring)))
                 :method (name (:request-method request)))
         (handler request)))))
diff --git a/backend/src/app/notifications.clj b/backend/src/app/notifications.clj
index 75cb64f46..a045f153b 100644
--- a/backend/src/app/notifications.clj
+++ b/backend/src/app/notifications.clj
@@ -149,9 +149,7 @@
                                   :out-ch out-ch
                                   :sub-ch sub-ch)]
 
-                (l/log :level :trace
-                       :action "connect"
-                       :session (:session-id cfg))
+                (l/trace :event "connect" :session (:session-id cfg))
 
                 ;; Forward all messages from out-ch to the websocket
                 ;; connection
@@ -173,18 +171,14 @@
                   ;; close subscription
                   (a/close! sub-ch))))
 
-            (on-error [_conn e]
-              (l/log :level :trace
-                     :action "error"
-                     :session (:session-id cfg))
+            (on-error [_conn _e]
+              (l/trace :event "error" :session (:session-id cfg))
 
               (a/close! out-ch)
               (a/close! rcv-ch))
 
             (on-close [_conn _status _reason]
-              (l/log :level :trace
-                     :action "close"
-                     :session (:session-id cfg))
+              (l/trace :event "close" :session (:session-id cfg))
 
               (a/close! out-ch)
               (a/close! rcv-ch))
@@ -192,8 +186,7 @@
             (on-message [_ws message]
               (let [message (t/decode-str message)]
                 (when-not (a/offer! rcv-ch message)
-                  (l/log :level :warn
-                         :msg "drop messages"))))]
+                  (l/warn :msg "drop messages"))))]
 
       {:on-connect on-connect
        :on-error on-error
diff --git a/backend/src/app/util/logging.clj b/backend/src/app/util/logging.clj
index afe03bab7..0f5fc5bb5 100644
--- a/backend/src/app/util/logging.clj
+++ b/backend/src/app/util/logging.clj
@@ -9,10 +9,8 @@
 
 (ns app.util.logging
   (:require
-   [linked.core :as lk]
    [clojure.pprint :refer [pprint]])
   (:import
-   java.util.Map
    org.apache.logging.log4j.Level
    org.apache.logging.log4j.LogManager
    org.apache.logging.log4j.Logger
@@ -65,7 +63,7 @@
           ^Object msg)))
 
 (defmacro log
-  [& {:keys [level cause msg ::logger ::async] :as props}]
+  [& {:keys [level cause ::logger ::async] :as props}]
   (let [props      (dissoc props :level :cause ::logger ::async)
         logger     (or logger (str *ns*))
         logger-sym (gensym "log")
diff --git a/backend/src/app/util/migrations.clj b/backend/src/app/util/migrations.clj
index bc47f5967..aa6bbf43c 100644
--- a/backend/src/app/util/migrations.clj
+++ b/backend/src/app/util/migrations.clj
@@ -12,7 +12,6 @@
    [app.util.logging :as l]
    [clojure.java.io :as io]
    [clojure.spec.alpha :as s]
-   [cuerdas.core :as str]
    [next.jdbc :as jdbc]))
 
 (s/def ::name string?)