diff --git a/src/openrct2/rct1/S4Importer.cpp b/src/openrct2/rct1/S4Importer.cpp
index 95888fa274..83041f9fef 100644
--- a/src/openrct2/rct1/S4Importer.cpp
+++ b/src/openrct2/rct1/S4Importer.cpp
@@ -451,8 +451,7 @@ namespace RCT1
                         break;
                     case RCT1_RESEARCH_TYPE_VEHICLE:
                         // For some bizarre reason, RCT1 research lists contain vehicles that aren't actually researched.
-                        // Extra bizarrely, this does not seem to apply to Loopy Landscapes saves/scenarios.
-                        if (rideTypeInResearch[researchItem->RelatedRide] || _gameVersion == FILE_VERSION_RCT1_LL)
+                        if (rideTypeInResearch[researchItem->RelatedRide])
                         {
                             AddEntryForVehicleType(static_cast<RideType>(researchItem->RelatedRide), researchItem->Item);
                         }