diff --git a/src/openrct2/platform/platform.h b/src/openrct2/platform/platform.h
index 785e7a90b7..a74fd1bf4a 100644
--- a/src/openrct2/platform/platform.h
+++ b/src/openrct2/platform/platform.h
@@ -29,8 +29,6 @@ struct rct2_install_info;
 
 #define INVALID_HANDLE -1
 
-#define TOUCH_DOUBLE_TIMEOUT 300
-
 #ifdef _WIN32
 #define PATH_SEPARATOR "\\"
 #define PLATFORM_NEWLINE "\r\n"
@@ -39,11 +37,6 @@ struct rct2_install_info;
 #define PLATFORM_NEWLINE "\n"
 #endif
 
-#define SHIFT 0x100
-#define CTRL 0x200
-#define ALT 0x400
-#define CMD 0x800
-
 struct resolution_t {
     sint32 width, height;
 };