diff --git a/schema.graphql b/schema.graphql
index b3a8568..7401505 100644
--- a/schema.graphql
+++ b/schema.graphql
@@ -17,7 +17,6 @@ type System {
 type Route {
   name: String!
   id: ID!
-  system: System!
   orderedStops: [OrderedStop!]
   nextOrderedStop(forStopId: ID): OrderedStop
   shuttles: [Shuttle!]
@@ -36,7 +35,6 @@ type Stop {
   id: ID!
   name: String!
   coordinates: Coordinates!
-  system: System!
   etas: [ETA!]
   orderedStops: [OrderedStop!]
 }
@@ -57,7 +55,6 @@ type Shuttle {
   id: ID!,
   coordinates: Coordinates!
   route: Route
-  system: System
   etas: [ETA!]
   eta(forStopId: ID): ETA
 }