diff --git a/merge-blobs.c b/merge-blobs.c
index 8138090f81c..aedcab81138 100644
--- a/merge-blobs.c
+++ b/merge-blobs.c
@@ -1,4 +1,4 @@
-#include "cache.h"
+#include "git-compat-util.h"
 #include "run-command.h"
 #include "xdiff-interface.h"
 #include "ll-merge.h"
diff --git a/object-store.h b/object-store.h
index 1a713d89d7c..82201ec3e7b 100644
--- a/object-store.h
+++ b/object-store.h
@@ -1,7 +1,7 @@
 #ifndef OBJECT_STORE_H
 #define OBJECT_STORE_H
 
-#include "cache.h"
+#include "object.h"
 #include "oidmap.h"
 #include "list.h"
 #include "oid-array.h"
@@ -284,6 +284,69 @@ int pretend_object_file(void *, unsigned long, enum object_type,
 
 int force_object_loose(const struct object_id *oid, time_t mtime);
 
+struct object_info {
+	/* Request */
+	enum object_type *typep;
+	unsigned long *sizep;
+	off_t *disk_sizep;
+	struct object_id *delta_base_oid;
+	struct strbuf *type_name;
+	void **contentp;
+
+	/* Response */
+	enum {
+		OI_CACHED,
+		OI_LOOSE,
+		OI_PACKED,
+		OI_DBCACHED
+	} whence;
+	union {
+		/*
+		 * struct {
+		 * 	... Nothing to expose in this case
+		 * } cached;
+		 * struct {
+		 * 	... Nothing to expose in this case
+		 * } loose;
+		 */
+		struct {
+			struct packed_git *pack;
+			off_t offset;
+			unsigned int is_delta;
+		} packed;
+	} u;
+};
+
+/*
+ * Initializer for a "struct object_info" that wants no items. You may
+ * also memset() the memory to all-zeroes.
+ */
+#define OBJECT_INFO_INIT { 0 }
+
+/* Invoke lookup_replace_object() on the given hash */
+#define OBJECT_INFO_LOOKUP_REPLACE 1
+/* Allow reading from a loose object file of unknown/bogus type */
+#define OBJECT_INFO_ALLOW_UNKNOWN_TYPE 2
+/* Do not retry packed storage after checking packed and loose storage */
+#define OBJECT_INFO_QUICK 8
+/*
+ * Do not attempt to fetch the object if missing (even if fetch_is_missing is
+ * nonzero).
+ */
+#define OBJECT_INFO_SKIP_FETCH_OBJECT 16
+/*
+ * This is meant for bulk prefetching of missing blobs in a partial
+ * clone. Implies OBJECT_INFO_SKIP_FETCH_OBJECT and OBJECT_INFO_QUICK
+ */
+#define OBJECT_INFO_FOR_PREFETCH (OBJECT_INFO_SKIP_FETCH_OBJECT | OBJECT_INFO_QUICK)
+
+/* Die if object corruption (not just an object being missing) was detected. */
+#define OBJECT_INFO_DIE_IF_CORRUPT 32
+
+int oid_object_info_extended(struct repository *r,
+			     const struct object_id *,
+			     struct object_info *, unsigned flags);
+
 /*
  * Open the loose object at path, check its hash, and return the contents,
  * use the "oi" argument to assert things about the object, or e.g. populate its
@@ -381,69 +444,6 @@ static inline void obj_read_unlock(void)
 		pthread_mutex_unlock(&obj_read_mutex);
 }
 
-struct object_info {
-	/* Request */
-	enum object_type *typep;
-	unsigned long *sizep;
-	off_t *disk_sizep;
-	struct object_id *delta_base_oid;
-	struct strbuf *type_name;
-	void **contentp;
-
-	/* Response */
-	enum {
-		OI_CACHED,
-		OI_LOOSE,
-		OI_PACKED,
-		OI_DBCACHED
-	} whence;
-	union {
-		/*
-		 * struct {
-		 * 	... Nothing to expose in this case
-		 * } cached;
-		 * struct {
-		 * 	... Nothing to expose in this case
-		 * } loose;
-		 */
-		struct {
-			struct packed_git *pack;
-			off_t offset;
-			unsigned int is_delta;
-		} packed;
-	} u;
-};
-
-/*
- * Initializer for a "struct object_info" that wants no items. You may
- * also memset() the memory to all-zeroes.
- */
-#define OBJECT_INFO_INIT { 0 }
-
-/* Invoke lookup_replace_object() on the given hash */
-#define OBJECT_INFO_LOOKUP_REPLACE 1
-/* Allow reading from a loose object file of unknown/bogus type */
-#define OBJECT_INFO_ALLOW_UNKNOWN_TYPE 2
-/* Do not retry packed storage after checking packed and loose storage */
-#define OBJECT_INFO_QUICK 8
-/*
- * Do not attempt to fetch the object if missing (even if fetch_is_missing is
- * nonzero).
- */
-#define OBJECT_INFO_SKIP_FETCH_OBJECT 16
-/*
- * This is meant for bulk prefetching of missing blobs in a partial
- * clone. Implies OBJECT_INFO_SKIP_FETCH_OBJECT and OBJECT_INFO_QUICK
- */
-#define OBJECT_INFO_FOR_PREFETCH (OBJECT_INFO_SKIP_FETCH_OBJECT | OBJECT_INFO_QUICK)
-
-/* Die if object corruption (not just an object being missing) was detected. */
-#define OBJECT_INFO_DIE_IF_CORRUPT 32
-
-int oid_object_info_extended(struct repository *r,
-			     const struct object_id *,
-			     struct object_info *, unsigned flags);
-
 /*
  * Iterate over the files in the loose-object parts of the object
  * directory "path", triggering the following callbacks:
diff --git a/protocol-caps.c b/protocol-caps.c
index bbde91810ac..29a5bc07bbe 100644
--- a/protocol-caps.c
+++ b/protocol-caps.c
@@ -4,6 +4,7 @@
 #include "pkt-line.h"
 #include "strvec.h"
 #include "hash.h"
+#include "hex.h"
 #include "object.h"
 #include "object-store.h"
 #include "string-list.h"
diff --git a/replace-object.h b/replace-object.h
index 3fbc32eb7b7..3c92ae94610 100644
--- a/replace-object.h
+++ b/replace-object.h
@@ -1,6 +1,7 @@
 #ifndef REPLACE_OBJECT_H
 #define REPLACE_OBJECT_H
 
+#include "cache.h"
 #include "oidmap.h"
 #include "repository.h"
 #include "object-store.h"
