diff --git a/src/client/etcd_state_client.h b/src/client/etcd_state_client.h
index 010e556b..a39149cc 100644
--- a/src/client/etcd_state_client.h
+++ b/src/client/etcd_state_client.h
@@ -6,7 +6,7 @@
 #include <set>
 
 #include "json11/json11.hpp"
-#include "osd_id.h"
+#include "object_id.h"
 #include "timerfd_manager.h"
 
 #define ETCD_CONFIG_WATCH_ID 1
diff --git a/src/client/object_id.h b/src/client/object_id.h
index 96156f44..f8e1b19f 100644
--- a/src/client/object_id.h
+++ b/src/client/object_id.h
@@ -20,6 +20,15 @@ typedef uint64_t inode_t;
 // Pool ID is 16 bits long
 typedef uint32_t pool_id_t;
 
+typedef uint64_t osd_num_t;
+typedef uint32_t pg_num_t;
+
+struct pool_pg_num_t
+{
+    pool_id_t pool_id;
+    pg_num_t pg_num;
+};
+
 // 16 bytes per object/stripe id
 // stripe = (start of the parity stripe + peer role)
 // i.e. for example (256KB + one of 0,1,2)
@@ -61,6 +70,21 @@ inline bool operator < (const obj_ver_id & a, const obj_ver_id & b)
     return a.oid < b.oid || a.oid == b.oid && a.version < b.version;
 }
 
+inline bool operator < (const pool_pg_num_t & a, const pool_pg_num_t & b)
+{
+    return a.pool_id < b.pool_id || a.pool_id == b.pool_id && a.pg_num < b.pg_num;
+}
+
+inline bool operator == (const pool_pg_num_t & a, const pool_pg_num_t & b)
+{
+    return a.pool_id == b.pool_id && a.pg_num == b.pg_num;
+}
+
+inline bool operator != (const pool_pg_num_t & a, const pool_pg_num_t & b)
+{
+    return a.pool_id != b.pool_id || a.pg_num != b.pg_num;
+}
+
 namespace std
 {
     template<> struct hash<object_id>
diff --git a/src/client/osd_ops.h b/src/client/osd_ops.h
index 8840a65b..8c8302a1 100644
--- a/src/client/osd_ops.h
+++ b/src/client/osd_ops.h
@@ -4,7 +4,6 @@
 #pragma once
 
 #include "object_id.h"
-#include "osd_id.h"
 
 // Magic numbers
 #define SECONDARY_OSD_OP_MAGIC      0x2bd7b10325434553l
diff --git a/src/cmd/cli.h b/src/cmd/cli.h
index d8e67312..e0e764fe 100644
--- a/src/cmd/cli.h
+++ b/src/cmd/cli.h
@@ -7,7 +7,6 @@
 
 #include "json11/json11.hpp"
 #include "object_id.h"
-#include "osd_id.h"
 #include "ringloop.h"
 #include <functional>
 
diff --git a/src/disk_tool/disk_tool_meta.cpp b/src/disk_tool/disk_tool_meta.cpp
index b9815d1c..105f2085 100644
--- a/src/disk_tool/disk_tool_meta.cpp
+++ b/src/disk_tool/disk_tool_meta.cpp
@@ -3,7 +3,6 @@
 
 #include "disk_tool.h"
 #include "rw_blocking.h"
-#include "osd_id.h"
 #include "json_util.h"
 #include "malloc_or_die.h"
 
diff --git a/src/disk_tool/disk_tool_prepare.cpp b/src/disk_tool/disk_tool_prepare.cpp
index f2d3035b..b4219d0d 100644
--- a/src/disk_tool/disk_tool_prepare.cpp
+++ b/src/disk_tool/disk_tool_prepare.cpp
@@ -4,7 +4,6 @@
 #include "disk_tool.h"
 #include "str_util.h"
 #include "json_util.h"
-#include "osd_id.h"
 
 void disk_tool_t::parse_meta_reserve()
 {
diff --git a/src/osd/osd_id.h b/src/osd/osd_id.h
deleted file mode 100644
index 56e79286..00000000
--- a/src/osd/osd_id.h
+++ /dev/null
@@ -1,30 +0,0 @@
-// Copyright (c) Vitaliy Filippov, 2019+
-// License: VNPL-1.1 or GNU GPL-2.0+ (see README.md for details)
-
-#pragma once
-
-#include "object_id.h"
-
-typedef uint64_t osd_num_t;
-typedef uint32_t pg_num_t;
-
-struct pool_pg_num_t
-{
-    pool_id_t pool_id;
-    pg_num_t pg_num;
-};
-
-inline bool operator < (const pool_pg_num_t & a, const pool_pg_num_t & b)
-{
-    return a.pool_id < b.pool_id || a.pool_id == b.pool_id && a.pg_num < b.pg_num;
-}
-
-inline bool operator == (const pool_pg_num_t & a, const pool_pg_num_t & b)
-{
-    return a.pool_id == b.pool_id && a.pg_num == b.pg_num;
-}
-
-inline bool operator != (const pool_pg_num_t & a, const pool_pg_num_t & b)
-{
-    return a.pool_id != b.pool_id || a.pg_num != b.pg_num;
-}
diff --git a/src/osd/osd_rmw.h b/src/osd/osd_rmw.h
index 682a220b..cdd684f2 100644
--- a/src/osd/osd_rmw.h
+++ b/src/osd/osd_rmw.h
@@ -6,7 +6,6 @@
 #include <stdint.h>
 #include <vector>
 #include "object_id.h"
-#include "osd_id.h"
 
 struct buf_len_t
 {