diff --git a/gc.c b/gc.c
index d365c171c7..b6ce6f5f15 100644
--- a/gc.c
+++ b/gc.c
@@ -13353,17 +13353,6 @@ rb_raw_obj_info(char *const buff, const size_t buff_size, VALUE obj)
     return buff;
 }
 
-const char *
-rb_raw_obj_info_basic(char *const buff, const size_t buff_size, VALUE obj)
-{
-    asan_unpoisoning_object(obj) {
-        size_t pos = rb_raw_obj_info_common(buff, buff_size, obj);
-        if (pos >= buff_size) {} // truncated
-    }
-
-    return buff;
-}
-
 #undef APPEND_S
 #undef APPEND_F
 #undef BUFF_ARGS
@@ -13401,7 +13390,12 @@ obj_info_basic(VALUE obj)
 {
     rb_atomic_t index = atomic_inc_wraparound(&obj_info_buffers_index, OBJ_INFO_BUFFERS_NUM);
     char *const buff = obj_info_buffers[index];
-    return rb_raw_obj_info_basic(buff, OBJ_INFO_BUFFERS_SIZE, obj);
+
+    asan_unpoisoning_object(obj) {
+        rb_raw_obj_info_common(buff, OBJ_INFO_BUFFERS_SIZE, obj);
+    }
+
+    return buff;
 }
 #else
 static const char *
diff --git a/internal/gc.h b/internal/gc.h
index e9081ffaa6..e84fa9dd0c 100644
--- a/internal/gc.h
+++ b/internal/gc.h
@@ -114,7 +114,6 @@ int ruby_get_stack_grow_direction(volatile VALUE *addr);
 
 const char *rb_obj_info(VALUE obj);
 const char *rb_raw_obj_info(char *const buff, const size_t buff_size, VALUE obj);
-const char *rb_raw_obj_info_basic(char *const buff, const size_t buff_size, VALUE obj);
 
 size_t rb_size_pool_slot_size(unsigned char pool_id);