diff --git a/src/plasma_store.c b/src/plasma_store.c
index 9edc2c258..ebb3bac0b 100644
--- a/src/plasma_store.c
+++ b/src/plasma_store.c
@@ -93,11 +93,11 @@ plasma_store_state *init_plasma_store(event_loop *loop) {
 }
 
 /* Create a new object buffer in the hash table. */
-plasma_object create_object(plasma_store_state *s,
-                            object_id object_id,
-                            int64_t data_size,
-                            int64_t metadata_size,
-                            plasma_object *result) {
+void create_object(plasma_store_state *s,
+                   object_id object_id,
+                   int64_t data_size,
+                   int64_t metadata_size,
+                   plasma_object *result) {
   LOG_DEBUG("creating object"); /* TODO(pcm): add object_id here */
 
   object_table_entry *entry;
diff --git a/src/plasma_store.h b/src/plasma_store.h
index ae3f03e25..0f4bfd82a 100644
--- a/src/plasma_store.h
+++ b/src/plasma_store.h
@@ -12,13 +12,13 @@ typedef struct plasma_store_state plasma_store_state;
  * @param object_id Object ID of the object to be created.
  * @param data_size Size in bytes of the object to be created.
  * @param metadata_size Size in bytes of the object metadata.
- * @return The new plasma object.
+ * @return Void.
  */
-plasma_object create_object(plasma_store_state *s,
-                            object_id object_id,
-                            int64_t data_size,
-                            int64_t metadata_size,
-                            plasma_object *result);
+void create_object(plasma_store_state *s,
+                   object_id object_id,
+                   int64_t data_size,
+                   int64_t metadata_size,
+                   plasma_object *result);
 
 /**
  * Get an object: