diff --git a/builtin/fetch.c b/builtin/fetch.c
index 32b1d5d383..84e0e8080f 100644
--- a/builtin/fetch.c
+++ b/builtin/fetch.c
@@ -238,7 +238,7 @@ static int will_fetch(struct ref **head, const unsigned char *sha1)
 {
 	struct ref *rm = *head;
 	while (rm) {
-		if (!hashcmp(rm->old_oid.hash, sha1))
+		if (hasheq(rm->old_oid.hash, sha1))
 			return 1;
 		rm = rm->next;
 	}
diff --git a/cache.h b/cache.h
index d090f71706..d97db26bb6 100644
--- a/cache.h
+++ b/cache.h
@@ -1053,12 +1053,12 @@ static inline int oideq(const struct object_id *oid1, const struct object_id *oi
 
 static inline int is_null_sha1(const unsigned char *sha1)
 {
-	return !hashcmp(sha1, null_sha1);
+	return hasheq(sha1, null_sha1);
 }
 
 static inline int is_null_oid(const struct object_id *oid)
 {
-	return !hashcmp(oid->hash, null_sha1);
+	return hasheq(oid->hash, null_sha1);
 }
 
 static inline void hashcpy(unsigned char *sha_dst, const unsigned char *sha_src)
@@ -1095,7 +1095,7 @@ static inline void oidread(struct object_id *oid, const unsigned char *hash)
 
 static inline int is_empty_blob_sha1(const unsigned char *sha1)
 {
-	return !hashcmp(sha1, the_hash_algo->empty_blob->hash);
+	return hasheq(sha1, the_hash_algo->empty_blob->hash);
 }
 
 static inline int is_empty_blob_oid(const struct object_id *oid)
@@ -1105,7 +1105,7 @@ static inline int is_empty_blob_oid(const struct object_id *oid)
 
 static inline int is_empty_tree_sha1(const unsigned char *sha1)
 {
-	return !hashcmp(sha1, the_hash_algo->empty_tree->hash);
+	return hasheq(sha1, the_hash_algo->empty_tree->hash);
 }
 
 static inline int is_empty_tree_oid(const struct object_id *oid)
diff --git a/contrib/coccinelle/object_id.cocci b/contrib/coccinelle/object_id.cocci
index 548c02336d..d90ba8a040 100644
--- a/contrib/coccinelle/object_id.cocci
+++ b/contrib/coccinelle/object_id.cocci
@@ -114,3 +114,12 @@ expression E1, E2;
 @@
 - oidcmp(E1, E2) == 0
 + oideq(E1, E2)
+
+@@
+identifier f != hasheq;
+expression E1, E2;
+@@
+  f(...) {<...
+- hashcmp(E1, E2) == 0
++ hasheq(E1, E2)
+  ...>}
diff --git a/http-walker.c b/http-walker.c
index 7cdfb2f24c..3a8edc7f2f 100644
--- a/http-walker.c
+++ b/http-walker.c
@@ -483,7 +483,7 @@ static int fetch_object(struct walker *walker, unsigned char *sha1)
 
 	list_for_each(pos, head) {
 		obj_req = list_entry(pos, struct object_request, node);
-		if (!hashcmp(obj_req->oid.hash, sha1))
+		if (hasheq(obj_req->oid.hash, sha1))
 			break;
 	}
 	if (obj_req == NULL)
diff --git a/notes.c b/notes.c
index b3386d6c36..33d16c1ec3 100644
--- a/notes.c
+++ b/notes.c
@@ -147,7 +147,7 @@ static struct leaf_node *note_tree_find(struct notes_tree *t,
 	void **p = note_tree_search(t, &tree, &n, key_sha1);
 	if (GET_PTR_TYPE(*p) == PTR_TYPE_NOTE) {
 		struct leaf_node *l = (struct leaf_node *) CLR_PTR_TYPE(*p);
-		if (!hashcmp(key_sha1, l->key_oid.hash))
+		if (hasheq(key_sha1, l->key_oid.hash))
 			return l;
 	}
 	return NULL;
diff --git a/object.c b/object.c
index 51c4594515..e54160550c 100644
--- a/object.c
+++ b/object.c
@@ -95,7 +95,7 @@ struct object *lookup_object(struct repository *r, const unsigned char *sha1)
 
 	first = i = hash_obj(sha1, r->parsed_objects->obj_hash_size);
 	while ((obj = r->parsed_objects->obj_hash[i]) != NULL) {
-		if (!hashcmp(sha1, obj->oid.hash))
+		if (hasheq(sha1, obj->oid.hash))
 			break;
 		i++;
 		if (i == r->parsed_objects->obj_hash_size)
diff --git a/pack-objects.c b/pack-objects.c
index 6ef87e5683..2bc7626997 100644
--- a/pack-objects.c
+++ b/pack-objects.c
@@ -16,7 +16,7 @@ static uint32_t locate_object_entry_hash(struct packing_data *pdata,
 	while (pdata->index[i] > 0) {
 		uint32_t pos = pdata->index[i] - 1;
 
-		if (!hashcmp(sha1, pdata->objects[pos].idx.oid.hash)) {
+		if (hasheq(sha1, pdata->objects[pos].idx.oid.hash)) {
 			*found = 1;
 			return i;
 		}
diff --git a/packfile.c b/packfile.c
index ebcb5742ec..c2e96293ad 100644
--- a/packfile.c
+++ b/packfile.c
@@ -1015,7 +1015,7 @@ void mark_bad_packed_object(struct packed_git *p, const unsigned char *sha1)
 {
 	unsigned i;
 	for (i = 0; i < p->num_bad_objects; i++)
-		if (!hashcmp(sha1, p->bad_object_sha1 + GIT_SHA1_RAWSZ * i))
+		if (hasheq(sha1, p->bad_object_sha1 + GIT_SHA1_RAWSZ * i))
 			return;
 	p->bad_object_sha1 = xrealloc(p->bad_object_sha1,
 				      st_mult(GIT_MAX_RAWSZ,
@@ -1031,8 +1031,8 @@ const struct packed_git *has_packed_and_bad(const unsigned char *sha1)
 
 	for (p = the_repository->objects->packed_git; p; p = p->next)
 		for (i = 0; i < p->num_bad_objects; i++)
-			if (!hashcmp(sha1,
-				     p->bad_object_sha1 + the_hash_algo->rawsz * i))
+			if (hasheq(sha1,
+				   p->bad_object_sha1 + the_hash_algo->rawsz * i))
 				return p;
 	return NULL;
 }
@@ -1830,8 +1830,8 @@ static int fill_pack_entry(const struct object_id *oid,
 	if (p->num_bad_objects) {
 		unsigned i;
 		for (i = 0; i < p->num_bad_objects; i++)
-			if (!hashcmp(oid->hash,
-				     p->bad_object_sha1 + the_hash_algo->rawsz * i))
+			if (hasheq(oid->hash,
+				   p->bad_object_sha1 + the_hash_algo->rawsz * i))
 				return 0;
 	}