diff --git a/CMakeLists.txt b/CMakeLists.txt
index d59ed05..50d4e34 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -126,8 +126,6 @@ add_executable(sj3serv
     sj3serv/execute.c
     sj3serv/main.c
     sj3serv/setup.c
-    sj3serv/time_stamp.c
-    sj3serv/version.c
 )
 target_include_directories(sj3serv
     PRIVATE include sj3lib
diff --git a/sj3serv/main.c b/sj3serv/main.c
index b59f25f..6998bf7 100644
--- a/sj3serv/main.c
+++ b/sj3serv/main.c
@@ -48,6 +48,9 @@
 #define signal sigset
 #endif
 
+char	*version_number = "2.08C";
+char	*time_stamp = "Mon Mar 23 16:42:59 JST 1998";
+
 extern int	 fork_flag;
 extern char	*lock_file;
 
diff --git a/sj3serv/time_stamp.c b/sj3serv/time_stamp.c
deleted file mode 100644
index 71162c9..0000000
--- a/sj3serv/time_stamp.c
+++ /dev/null
@@ -1,31 +0,0 @@
-/*-
- * SPDX-License-Identifier: MIT-open-group
- *
- * Copyright (c) 1991-1994  Sony Corporation
- *
- * Permission is hereby granted, free of charge, to any person obtaining
- * a copy of this software and associated documentation files (the
- * "Software"), to deal in the Software without restriction, including
- * without limitation the rights to use, copy, modify, merge, publish,
- * distribute, sublicense, and/or sell copies of the Software, and to
- * permit persons to whom the Software is furnished to do so, subject to
- * the following conditions:
- *
- * The above copyright notice and this permission notice shall be
- * included in all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
- * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
- * IN NO EVENT SHALL SONY CORPORATION BE LIABLE FOR ANY CLAIM,
- * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
- * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR
- * THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- *
- * Except as contained in this notice, the name of Sony Corporation
- * shall not be used in advertising or otherwise to promote the sale, use
- * or other dealings in this Software without prior written authorization
- * from Sony Corporation.
- */
-
-char	*time_stamp = "Mon Mar 23 16:42:59 JST 1998";
diff --git a/sj3serv/version.c b/sj3serv/version.c
deleted file mode 100644
index 0ec8bf6..0000000
--- a/sj3serv/version.c
+++ /dev/null
@@ -1,31 +0,0 @@
-/*-
- * SPDX-License-Identifier: MIT-open-group
- *
- * Copyright (c) 1991-1994  Sony Corporation
- *
- * Permission is hereby granted, free of charge, to any person obtaining
- * a copy of this software and associated documentation files (the
- * "Software"), to deal in the Software without restriction, including
- * without limitation the rights to use, copy, modify, merge, publish,
- * distribute, sublicense, and/or sell copies of the Software, and to
- * permit persons to whom the Software is furnished to do so, subject to
- * the following conditions:
- *
- * The above copyright notice and this permission notice shall be
- * included in all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
- * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
- * IN NO EVENT SHALL SONY CORPORATION BE LIABLE FOR ANY CLAIM,
- * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
- * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR
- * THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- *
- * Except as contained in this notice, the name of Sony Corporation
- * shall not be used in advertising or otherwise to promote the sale, use
- * or other dealings in this Software without prior written authorization
- * from Sony Corporation.
- */
-
-char	*version_number = "2.08C";