diff --git a/src/openrct2/ParkFile.cpp b/src/openrct2/ParkFile.cpp
index a3b39c1724..2a8e93c8bb 100644
--- a/src/openrct2/ParkFile.cpp
+++ b/src/openrct2/ParkFile.cpp
@@ -57,7 +57,7 @@ namespace OpenRCT2
     namespace ParkFileChunkType
     {
         // clang-format off
-        constexpr uint32_t RESERVED_0       = 0x00;
+//        constexpr uint32_t RESERVED_0       = 0x00;
 
         constexpr uint32_t AUTHORING        = 0x01;
         constexpr uint32_t OBJECTS          = 0x02;
@@ -65,22 +65,22 @@ namespace OpenRCT2
         constexpr uint32_t GENERAL          = 0x04;
         constexpr uint32_t CLIMATE          = 0x05;
         constexpr uint32_t PARK             = 0x06;
-        constexpr uint32_t HISTORY          = 0x07;
+//        constexpr uint32_t HISTORY          = 0x07;
         constexpr uint32_t RESEARCH         = 0x08;
         constexpr uint32_t NOTIFICATIONS    = 0x09;
 
         constexpr uint32_t INTERFACE        = 0x20;
-        constexpr uint32_t EDITOR           = 0x21;
+//        constexpr uint32_t EDITOR           = 0x21;
 
         constexpr uint32_t TILES            = 0x30;
         constexpr uint32_t ENTITIES          = 0x31;
         constexpr uint32_t RIDES            = 0x32;
         constexpr uint32_t BANNERS          = 0x33;
-        constexpr uint32_t ANIMATIONS       = 0x34;
-        constexpr uint32_t STAFF            = 0x35;
+//        constexpr uint32_t ANIMATIONS       = 0x34;
+//        constexpr uint32_t STAFF            = 0x35;
         constexpr uint32_t CHEATS           = 0x36;
 
-        constexpr uint32_t DERIVED          = 0x50;
+//        constexpr uint32_t DERIVED          = 0x50;
         // clang-format on
     }; // namespace ParkFileChunkType