diff --git a/include/jemalloc/internal/prof_data.h b/include/jemalloc/internal/prof_data.h
index 46a35105..09a40994 100644
--- a/include/jemalloc/internal/prof_data.h
+++ b/include/jemalloc/internal/prof_data.h
@@ -1,5 +1,5 @@
-#ifndef JEMALLOC_INTERNAL_PROF_DATA_EXTERNS_H
-#define JEMALLOC_INTERNAL_PROF_DATA_EXTERNS_H
+#ifndef JEMALLOC_INTERNAL_PROF_DATA_H
+#define JEMALLOC_INTERNAL_PROF_DATA_H
 
 #include "jemalloc/internal/mutex.h"
 
@@ -19,4 +19,4 @@ void bt_init(prof_bt_t *bt, void **vec);
 void prof_backtrace(tsd_t *tsd, prof_bt_t *bt);
 void prof_tctx_try_destroy(tsd_t *tsd, prof_tctx_t *tctx);
 
-#endif /* JEMALLOC_INTERNAL_PROF_DATA_EXTERNS_H */
+#endif /* JEMALLOC_INTERNAL_PROF_DATA_H */
diff --git a/include/jemalloc/internal/prof_log.h b/include/jemalloc/internal/prof_log.h
index 928bf27b..e833ced7 100644
--- a/include/jemalloc/internal/prof_log.h
+++ b/include/jemalloc/internal/prof_log.h
@@ -1,5 +1,5 @@
-#ifndef JEMALLOC_INTERNAL_PROF_LOG_EXTERNS_H
-#define JEMALLOC_INTERNAL_PROF_LOG_EXTERNS_H
+#ifndef JEMALLOC_INTERNAL_PROF_LOG_H
+#define JEMALLOC_INTERNAL_PROF_LOG_H
 
 #include "jemalloc/internal/mutex.h"
 
@@ -16,4 +16,4 @@ bool prof_log_is_logging(void);
 bool prof_log_rep_check(void);
 void prof_log_dummy_set(bool new_value);
 
-#endif /* JEMALLOC_INTERNAL_PROF_LOG_EXTERNS_H */
+#endif /* JEMALLOC_INTERNAL_PROF_LOG_H */
diff --git a/include/jemalloc/internal/prof_recent.h b/include/jemalloc/internal/prof_recent.h
index f88413df..4f376c7b 100644
--- a/include/jemalloc/internal/prof_recent.h
+++ b/include/jemalloc/internal/prof_recent.h
@@ -1,5 +1,5 @@
-#ifndef JEMALLOC_INTERNAL_PROF_RECENT_EXTERNS_H
-#define JEMALLOC_INTERNAL_PROF_RECENT_EXTERNS_H
+#ifndef JEMALLOC_INTERNAL_PROF_RECENT_H
+#define JEMALLOC_INTERNAL_PROF_RECENT_H
 
 extern malloc_mutex_t prof_recent_dump_mtx;
 
@@ -15,4 +15,4 @@ extern prof_recent_list_t prof_recent_alloc_list;
 edata_t *prof_recent_alloc_edata_get_no_lock_test(const prof_recent_t *node);
 prof_recent_t *edata_prof_recent_alloc_get_no_lock_test(const edata_t *edata);
 
-#endif /* JEMALLOC_INTERNAL_PROF_RECENT_EXTERNS_H */
+#endif /* JEMALLOC_INTERNAL_PROF_RECENT_H */