diff --git a/vector/src/main/java/im/vector/app/features/location/LocationTracker.kt b/vector/src/main/java/im/vector/app/features/location/LocationTracker.kt
index d5e298a14b..b7006370a6 100644
--- a/vector/src/main/java/im/vector/app/features/location/LocationTracker.kt
+++ b/vector/src/main/java/im/vector/app/features/location/LocationTracker.kt
@@ -93,19 +93,15 @@ class LocationTracker @Inject constructor(
     }
 
     fun addCallback(callback: Callback) {
-        synchronized(callbacks) {
-            if (!callbacks.contains(callback)) {
-                callbacks.add(callback)
-            }
+        if (!callbacks.contains(callback)) {
+            callbacks.add(callback)
         }
     }
 
     fun removeCallback(callback: Callback) {
-        synchronized(callbacks) {
-            callbacks.remove(callback)
-            if (callbacks.size == 0) {
-                stop()
-            }
+        callbacks.remove(callback)
+        if (callbacks.size == 0) {
+            stop()
         }
     }