diff --git a/adb/client/bugreport.cpp b/adb/client/bugreport.cpp
index abef86a..346bb4b 100644
--- a/adb/client/bugreport.cpp
+++ b/adb/client/bugreport.cpp
@@ -25,8 +25,9 @@
 #include <android-base/strings.h>
 
 #include "sysdeps.h"
+
 #include "adb_utils.h"
-#include "file_sync_service.h"
+#include "client/file_sync_client.h"
 
 static constexpr char BUGZ_BEGIN_PREFIX[] = "BEGIN:";
 static constexpr char BUGZ_PROGRESS_PREFIX[] = "PROGRESS:";
diff --git a/adb/client/commandline.cpp b/adb/client/commandline.cpp
index 7791895..13e52f6 100644
--- a/adb/client/commandline.cpp
+++ b/adb/client/commandline.cpp
@@ -56,8 +56,8 @@
 #include "adb_unique_fd.h"
 #include "adb_utils.h"
 #include "bugreport.h"
+#include "client/file_sync_client.h"
 #include "commandline.h"
-#include "file_sync_service.h"
 #include "services.h"
 #include "shell_service.h"
 #include "sysdeps/chrono.h"
diff --git a/adb/client/file_sync_client.cpp b/adb/client/file_sync_client.cpp
index a438dbb..cb9bcfa 100644
--- a/adb/client/file_sync_client.cpp
+++ b/adb/client/file_sync_client.cpp
@@ -14,6 +14,8 @@
  * limitations under the License.
  */
 
+#include "client/file_sync_client.h"
+
 #include <dirent.h>
 #include <inttypes.h>
 #include <limits.h>
@@ -39,7 +41,7 @@
 #include "adb_client.h"
 #include "adb_io.h"
 #include "adb_utils.h"
-#include "file_sync_service.h"
+#include "file_sync_protocol.h"
 #include "line_printer.h"
 #include "sysdeps/errno.h"
 #include "sysdeps/stat.h"
diff --git a/adb/client/file_sync_client.h b/adb/client/file_sync_client.h
new file mode 100644
index 0000000..df7f14c
--- /dev/null
+++ b/adb/client/file_sync_client.h
@@ -0,0 +1,27 @@
+/*
+ * Copyright (C) 2018 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#pragma once
+
+#include <string>
+#include <vector>
+
+bool do_sync_ls(const char* path);
+bool do_sync_push(const std::vector<const char*>& srcs, const char* dst, bool sync);
+bool do_sync_pull(const std::vector<const char*>& srcs, const char* dst, bool copy_attrs,
+                  const char* name = nullptr);
+
+bool do_sync_sync(const std::string& lpath, const std::string& rpath, bool list_only);
diff --git a/adb/daemon/file_sync_service.cpp b/adb/daemon/file_sync_service.cpp
index 0b71363..7ae806a 100644
--- a/adb/daemon/file_sync_service.cpp
+++ b/adb/daemon/file_sync_service.cpp
@@ -16,8 +16,9 @@
 
 #define TRACE_TAG SYNC
 
+#include "daemon/file_sync_service.h"
+
 #include "sysdeps.h"
-#include "file_sync_service.h"
 
 #include <dirent.h>
 #include <errno.h>
@@ -42,6 +43,7 @@
 #include "adb_io.h"
 #include "adb_trace.h"
 #include "adb_utils.h"
+#include "file_sync_protocol.h"
 #include "security_log_tags.h"
 #include "sysdeps/errno.h"
 
diff --git a/adb/daemon/file_sync_service.h b/adb/daemon/file_sync_service.h
new file mode 100644
index 0000000..01081d2
--- /dev/null
+++ b/adb/daemon/file_sync_service.h
@@ -0,0 +1,21 @@
+#pragma once
+
+/*
+ * Copyright (C) 2018 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <android-base/unique_fd.h>
+
+void file_sync_service(android::base::unique_fd fd);
diff --git a/adb/file_sync_protocol.h b/adb/file_sync_protocol.h
new file mode 100644
index 0000000..108639a
--- /dev/null
+++ b/adb/file_sync_protocol.h
@@ -0,0 +1,78 @@
+/*
+ * Copyright (C) 2007 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#pragma once
+
+#define MKID(a, b, c, d) ((a) | ((b) << 8) | ((c) << 16) | ((d) << 24))
+
+#define ID_LSTAT_V1 MKID('S', 'T', 'A', 'T')
+#define ID_STAT_V2 MKID('S', 'T', 'A', '2')
+#define ID_LSTAT_V2 MKID('L', 'S', 'T', '2')
+#define ID_LIST MKID('L', 'I', 'S', 'T')
+#define ID_SEND MKID('S', 'E', 'N', 'D')
+#define ID_RECV MKID('R', 'E', 'C', 'V')
+#define ID_DENT MKID('D', 'E', 'N', 'T')
+#define ID_DONE MKID('D', 'O', 'N', 'E')
+#define ID_DATA MKID('D', 'A', 'T', 'A')
+#define ID_OKAY MKID('O', 'K', 'A', 'Y')
+#define ID_FAIL MKID('F', 'A', 'I', 'L')
+#define ID_QUIT MKID('Q', 'U', 'I', 'T')
+
+struct SyncRequest {
+    uint32_t id;           // ID_STAT, et cetera.
+    uint32_t path_length;  // <= 1024
+    // Followed by 'path_length' bytes of path (not NUL-terminated).
+} __attribute__((packed));
+
+union syncmsg {
+    struct __attribute__((packed)) {
+        uint32_t id;
+        uint32_t mode;
+        uint32_t size;
+        uint32_t time;
+    } stat_v1;
+    struct __attribute__((packed)) {
+        uint32_t id;
+        uint32_t error;
+        uint64_t dev;
+        uint64_t ino;
+        uint32_t mode;
+        uint32_t nlink;
+        uint32_t uid;
+        uint32_t gid;
+        uint64_t size;
+        int64_t atime;
+        int64_t mtime;
+        int64_t ctime;
+    } stat_v2;
+    struct __attribute__((packed)) {
+        uint32_t id;
+        uint32_t mode;
+        uint32_t size;
+        uint32_t time;
+        uint32_t namelen;
+    } dent;
+    struct __attribute__((packed)) {
+        uint32_t id;
+        uint32_t size;
+    } data;
+    struct __attribute__((packed)) {
+        uint32_t id;
+        uint32_t msglen;
+    } status;
+};
+
+#define SYNC_DATA_MAX (64 * 1024)
diff --git a/adb/file_sync_service.h b/adb/file_sync_service.h
deleted file mode 100644
index 608b3ad..0000000
--- a/adb/file_sync_service.h
+++ /dev/null
@@ -1,94 +0,0 @@
-/*
- * Copyright (C) 2007 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#ifndef _FILE_SYNC_SERVICE_H_
-#define _FILE_SYNC_SERVICE_H_
-
-#include <string>
-#include <vector>
-
-#include <android-base/unique_fd.h>
-
-#define MKID(a,b,c,d) ((a) | ((b) << 8) | ((c) << 16) | ((d) << 24))
-
-#define ID_LSTAT_V1 MKID('S','T','A','T')
-#define ID_STAT_V2 MKID('S','T','A','2')
-#define ID_LSTAT_V2 MKID('L','S','T','2')
-#define ID_LIST MKID('L','I','S','T')
-#define ID_SEND MKID('S','E','N','D')
-#define ID_RECV MKID('R','E','C','V')
-#define ID_DENT MKID('D','E','N','T')
-#define ID_DONE MKID('D','O','N','E')
-#define ID_DATA MKID('D','A','T','A')
-#define ID_OKAY MKID('O','K','A','Y')
-#define ID_FAIL MKID('F','A','I','L')
-#define ID_QUIT MKID('Q','U','I','T')
-
-struct SyncRequest {
-    uint32_t id;  // ID_STAT, et cetera.
-    uint32_t path_length;  // <= 1024
-    // Followed by 'path_length' bytes of path (not NUL-terminated).
-} __attribute__((packed)) ;
-
-union syncmsg {
-    struct __attribute__((packed)) {
-        uint32_t id;
-        uint32_t mode;
-        uint32_t size;
-        uint32_t time;
-    } stat_v1;
-    struct __attribute__((packed)) {
-        uint32_t id;
-        uint32_t error;
-        uint64_t dev;
-        uint64_t ino;
-        uint32_t mode;
-        uint32_t nlink;
-        uint32_t uid;
-        uint32_t gid;
-        uint64_t size;
-        int64_t atime;
-        int64_t mtime;
-        int64_t ctime;
-    } stat_v2;
-    struct __attribute__((packed)) {
-        uint32_t id;
-        uint32_t mode;
-        uint32_t size;
-        uint32_t time;
-        uint32_t namelen;
-    } dent;
-    struct __attribute__((packed)) {
-        uint32_t id;
-        uint32_t size;
-    } data;
-    struct __attribute__((packed)) {
-        uint32_t id;
-        uint32_t msglen;
-    } status;
-};
-
-void file_sync_service(android::base::unique_fd fd);
-bool do_sync_ls(const char* path);
-bool do_sync_push(const std::vector<const char*>& srcs, const char* dst, bool sync);
-bool do_sync_pull(const std::vector<const char*>& srcs, const char* dst,
-                  bool copy_attrs, const char* name=nullptr);
-
-bool do_sync_sync(const std::string& lpath, const std::string& rpath, bool list_only);
-
-#define SYNC_DATA_MAX (64*1024)
-
-#endif
diff --git a/adb/services.cpp b/adb/services.cpp
index 3d418cb..54c679b 100644
--- a/adb/services.cpp
+++ b/adb/services.cpp
@@ -51,10 +51,10 @@
 #include "adb_io.h"
 #include "adb_utils.h"
 #if !ADB_HOST
+#include "daemon/file_sync_service.h"
 #include "daemon/framebuffer_service.h"
 #include "daemon/set_verity_enable_state_service.h"
 #endif
-#include "file_sync_service.h"
 #include "remount_service.h"
 #include "services.h"
 #include "shell_service.h"