diff --git a/Libraries/Geolocation/RCTLocationObserver.m b/Libraries/Geolocation/RCTLocationObserver.m
index f21233dbfa0576..0fe5fed756808b 100644
--- a/Libraries/Geolocation/RCTLocationObserver.m
+++ b/Libraries/Geolocation/RCTLocationObserver.m
@@ -85,7 +85,9 @@ @implementation RCTLocationRequest
 
 - (void)dealloc
 {
-  [_timeoutTimer invalidate];
+  if (_timeoutTimer.valid) {
+    [_timeoutTimer invalidate];
+  }
 }
 
 @end
@@ -273,6 +275,7 @@ - (void)locationManager:(CLLocationManager *)manager didUpdateLocations:(NSArray
   // Fire all queued callbacks
   for (RCTLocationRequest *request in _pendingRequests) {
     request.successBlock(@[_lastLocationEvent]);
+    [request.timeoutTimer invalidate];
   }
   [_pendingRequests removeAllObjects];
 
@@ -311,6 +314,7 @@ - (void)locationManager:(CLLocationManager *)manager didFailWithError:(NSError *
   // Fire all queued error callbacks
   for (RCTLocationRequest *request in _pendingRequests) {
     request.errorBlock(@[jsError]);
+    [request.timeoutTimer invalidate];
   }
   [_pendingRequests removeAllObjects];