diff --git a/include/jemalloc/internal/tcache_types.h b/include/jemalloc/internal/tcache_types.h
index cea86fb7..50f1fbcd 100644
--- a/include/jemalloc/internal/tcache_types.h
+++ b/include/jemalloc/internal/tcache_types.h
@@ -8,16 +8,6 @@ typedef struct tcache_slow_s tcache_slow_t;
 typedef struct tcache_s tcache_t;
 typedef struct tcaches_s tcaches_t;
 
-/*
- * tcache pointers close to NULL are used to encode state information that is
- * used for two purposes: preventing thread caching on a per thread basis and
- * cleaning up during thread shutdown.
- */
-#define TCACHE_STATE_DISABLED		((tcache_t *)(uintptr_t)1)
-#define TCACHE_STATE_REINCARNATED	((tcache_t *)(uintptr_t)2)
-#define TCACHE_STATE_PURGATORY		((tcache_t *)(uintptr_t)3)
-#define TCACHE_STATE_MAX		TCACHE_STATE_PURGATORY
-
 /* Used in TSD static initializer only. Real init in tsd_tcache_data_init(). */
 #define TCACHE_ZERO_INITIALIZER {0}
 #define TCACHE_SLOW_ZERO_INITIALIZER {0}