diff --git a/src/openrct2/peep/Peep.h b/src/openrct2/peep/Peep.h
index 08968345c1..5165766865 100644
--- a/src/openrct2/peep/Peep.h
+++ b/src/openrct2/peep/Peep.h
@@ -24,7 +24,6 @@
 #include <optional>
 
 #define PEEP_MAX_THOUGHTS 5
-#define PEEP_THOUGHT_ITEM_NONE 255
 
 #define PEEP_HUNGER_WARNING_THRESHOLD 25
 #define PEEP_THIRST_WARNING_THRESHOLD 25