diff --git a/test/core/census/intrusive_hash_map_test.c b/test/core/census/intrusive_hash_map_test.c
index 87d514a08cb..d35a01e1032 100644
--- a/test/core/census/intrusive_hash_map_test.c
+++ b/test/core/census/intrusive_hash_map_test.c
@@ -30,7 +30,7 @@ static const uint32_t kInitialLog2Size = 4;
 
 typedef struct object { uint64_t val; } object;
 
-inline object *make_new_object(uint64_t val) {
+static inline object *make_new_object(uint64_t val) {
   object *obj = (object *)gpr_malloc(sizeof(object));
   obj->val = val;
   return obj;
@@ -43,7 +43,7 @@ typedef struct ptr_item {
 
 /* Helper function that creates a new hash map item.  It is up to the user to
  * free the item that was allocated. */
-inline ptr_item *make_ptr_item(uint64_t key, uint64_t value) {
+static inline ptr_item *make_ptr_item(uint64_t key, uint64_t value) {
   ptr_item *new_item = (ptr_item *)gpr_malloc(sizeof(ptr_item));
   new_item->IHM_key = key;
   new_item->IHM_hash_link = NULL;