diff --git a/modules/reitit-frontend/src/reitit/frontend.cljs b/modules/reitit-frontend/src/reitit/frontend.cljs
index 331b8cbe..bc5ed851 100644
--- a/modules/reitit-frontend/src/reitit/frontend.cljs
+++ b/modules/reitit-frontend/src/reitit/frontend.cljs
@@ -15,7 +15,7 @@
 (defn query-params
   "Given goog.Uri, read query parameters into a Clojure map."
   [^goog.Uri uri]
-  (let [q (.getQueryData uri)]
+  (let [^goog.Uri.QueryData q (.getQueryData uri)]
     (->> q
          (.getKeys)
          (map (juxt keyword #(query-param q %)))
@@ -58,7 +58,7 @@
   :on-coercion-error - a sideeffecting fn of `match exception -> nil`"
   ([router path] (match-by-path router path nil))
   ([router path {:keys [on-coercion-error]}]
-   (let [uri (.parse goog.Uri path)
+   (let [^goog.Uri uri (.parse goog.Uri path)
          coerce! (if on-coercion-error
                    (fn [match]
                      (try (coercion/coerce! match)
diff --git a/modules/reitit-frontend/src/reitit/frontend/history.cljs b/modules/reitit-frontend/src/reitit/frontend/history.cljs
index 0f93a958..86043ddc 100644
--- a/modules/reitit-frontend/src/reitit/frontend/history.cljs
+++ b/modules/reitit-frontend/src/reitit/frontend/history.cljs
@@ -65,7 +65,7 @@
 (defn- event-target
   "Read event's target from composed path to get shadow dom working,
   fallback to target property if not available"
-  [event]
+  [^goog.events.BrowserEvent event]
   (let [original-event (.getBrowserEvent event)]
     (if (exists? (.-composedPath original-event))
       (aget (.composedPath original-event) 0)
@@ -76,9 +76,9 @@
   should be ignored. This logic will ignore the event
   if anchor href matches the route tree, and in this case
   the page location is updated using History API."
-  [router e el uri]
+  [router e el ^goog.Uri uri]
   (let [current-domain (if (exists? js/location)
-                         (.getDomain (.parse goog.Uri js/location)))]
+                         (.getDomain ^goog.Uri (.parse goog.Uri js/location)))]
     (and (or (and (not (.hasScheme uri)) (not (.hasDomain uri)))
              (= current-domain (.getDomain uri)))
          (not (.-altKey e))
@@ -110,7 +110,7 @@
           ignore-anchor-click (fn [e]
                                 ;; Returns the next matching ancestor of event target
                                 (when-let [el (closest-by-tag (event-target e) "a")]
-                                  (let [uri (.parse goog.Uri (.-href el))]
+                                  (let [^goog.Uri uri (.parse goog.Uri (.-href el))]
                                     (when (ignore-anchor-click-predicate router e el uri)
                                       (.preventDefault e)
                                       (let [path (str (.getPath uri)