diff --git a/emulator/amp.c b/emulator/amp.c
index 605c6c8..49d2df7 100644
--- a/emulator/amp.c
+++ b/emulator/amp.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: LGPL-2.1-or-later
 /*
  *
  *  BlueZ - Bluetooth protocol stack for Linux
@@ -6,20 +7,6 @@
  *  Copyright (C) 2004-2010  Marcel Holtmann <marcel@holtmann.org>
  *
  *
- *  This library is free software; you can redistribute it and/or
- *  modify it under the terms of the GNU Lesser General Public
- *  License as published by the Free Software Foundation; either
- *  version 2.1 of the License, or (at your option) any later version.
- *
- *  This library is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- *  Lesser General Public License for more details.
- *
- *  You should have received a copy of the GNU Lesser General Public
- *  License along with this library; if not, write to the Free Software
- *  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
- *
  */
 
 #ifdef HAVE_CONFIG_H
diff --git a/emulator/amp.h b/emulator/amp.h
index 189dfb7..cee360c 100644
--- a/emulator/amp.h
+++ b/emulator/amp.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
 /*
  *
  *  BlueZ - Bluetooth protocol stack for Linux
@@ -6,20 +7,6 @@
  *  Copyright (C) 2004-2010  Marcel Holtmann <marcel@holtmann.org>
  *
  *
- *  This library is free software; you can redistribute it and/or
- *  modify it under the terms of the GNU Lesser General Public
- *  License as published by the Free Software Foundation; either
- *  version 2.1 of the License, or (at your option) any later version.
- *
- *  This library is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- *  Lesser General Public License for more details.
- *
- *  You should have received a copy of the GNU Lesser General Public
- *  License along with this library; if not, write to the Free Software
- *  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
- *
  */
 
 #include <stdbool.h>
diff --git a/emulator/b1ee.c b/emulator/b1ee.c
index 377181b..53b85f2 100644
--- a/emulator/b1ee.c
+++ b/emulator/b1ee.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  *
  *  BlueZ - Bluetooth protocol stack for Linux
@@ -6,20 +7,6 @@
  *  Copyright (C) 2004-2010  Marcel Holtmann <marcel@holtmann.org>
  *
  *
- *  This program is free software; you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License as published by
- *  the Free Software Foundation; either version 2 of the License, or
- *  (at your option) any later version.
- *
- *  This program is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  GNU General Public License for more details.
- *
- *  You should have received a copy of the GNU General Public License
- *  along with this program; if not, write to the Free Software
- *  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
- *
  */
 
 #ifdef HAVE_CONFIG_H
diff --git a/emulator/btdev.c b/emulator/btdev.c
index e9c3811..9a8c9b6 100644
--- a/emulator/btdev.c
+++ b/emulator/btdev.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: LGPL-2.1-or-later
 /*
  *
  *  BlueZ - Bluetooth protocol stack for Linux
@@ -6,20 +7,6 @@
  *  Copyright (C) 2004-2010  Marcel Holtmann <marcel@holtmann.org>
  *
  *
- *  This library is free software; you can redistribute it and/or
- *  modify it under the terms of the GNU Lesser General Public
- *  License as published by the Free Software Foundation; either
- *  version 2.1 of the License, or (at your option) any later version.
- *
- *  This library is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- *  Lesser General Public License for more details.
- *
- *  You should have received a copy of the GNU Lesser General Public
- *  License along with this library; if not, write to the Free Software
- *  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
- *
  */
 
 #ifdef HAVE_CONFIG_H
diff --git a/emulator/btdev.h b/emulator/btdev.h
index a9f71b2..7cb265f 100644
--- a/emulator/btdev.h
+++ b/emulator/btdev.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
 /*
  *
  *  BlueZ - Bluetooth protocol stack for Linux
@@ -6,20 +7,6 @@
  *  Copyright (C) 2004-2010  Marcel Holtmann <marcel@holtmann.org>
  *
  *
- *  This library is free software; you can redistribute it and/or
- *  modify it under the terms of the GNU Lesser General Public
- *  License as published by the Free Software Foundation; either
- *  version 2.1 of the License, or (at your option) any later version.
- *
- *  This library is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- *  Lesser General Public License for more details.
- *
- *  You should have received a copy of the GNU Lesser General Public
- *  License along with this library; if not, write to the Free Software
- *  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
- *
  */
 
 #include <stdint.h>
diff --git a/emulator/bthost.c b/emulator/bthost.c
index 71d5f97..1c05c74 100644
--- a/emulator/bthost.c
+++ b/emulator/bthost.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: LGPL-2.1-or-later
 /*
  *
  *  BlueZ - Bluetooth protocol stack for Linux
@@ -6,20 +7,6 @@
  *  Copyright (C) 2004-2010  Marcel Holtmann <marcel@holtmann.org>
  *
  *
- *  This library is free software; you can redistribute it and/or
- *  modify it under the terms of the GNU Lesser General Public
- *  License as published by the Free Software Foundation; either
- *  version 2.1 of the License, or (at your option) any later version.
- *
- *  This library is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- *  Lesser General Public License for more details.
- *
- *  You should have received a copy of the GNU Lesser General Public
- *  License along with this library; if not, write to the Free Software
- *  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
- *
  */
 
 #ifdef HAVE_CONFIG_H
diff --git a/emulator/bthost.h b/emulator/bthost.h
index 2b34713..3841f98 100644
--- a/emulator/bthost.h
+++ b/emulator/bthost.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
 /*
  *
  *  BlueZ - Bluetooth protocol stack for Linux
@@ -6,20 +7,6 @@
  *  Copyright (C) 2004-2010  Marcel Holtmann <marcel@holtmann.org>
  *
  *
- *  This library is free software; you can redistribute it and/or
- *  modify it under the terms of the GNU Lesser General Public
- *  License as published by the Free Software Foundation; either
- *  version 2.1 of the License, or (at your option) any later version.
- *
- *  This library is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- *  Lesser General Public License for more details.
- *
- *  You should have received a copy of the GNU Lesser General Public
- *  License along with this library; if not, write to the Free Software
- *  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
- *
  */
 
 #include <stdint.h>
diff --git a/emulator/hciemu.c b/emulator/hciemu.c
index ac861cc..fa8905e 100644
--- a/emulator/hciemu.c
+++ b/emulator/hciemu.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: LGPL-2.1-or-later
 /*
  *
  *  BlueZ - Bluetooth protocol stack for Linux
@@ -5,20 +6,6 @@
  *  Copyright (C) 2012-2014  Intel Corporation. All rights reserved.
  *
  *
- *  This library is free software; you can redistribute it and/or
- *  modify it under the terms of the GNU Lesser General Public
- *  License as published by the Free Software Foundation; either
- *  version 2.1 of the License, or (at your option) any later version.
- *
- *  This library is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- *  Lesser General Public License for more details.
- *
- *  You should have received a copy of the GNU Lesser General Public
- *  License along with this library; if not, write to the Free Software
- *  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
- *
  */
 
 #ifdef HAVE_CONFIG_H
diff --git a/emulator/hciemu.h b/emulator/hciemu.h
index 4c8858b..c8ec80d 100644
--- a/emulator/hciemu.h
+++ b/emulator/hciemu.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
 /*
  *
  *  BlueZ - Bluetooth protocol stack for Linux
@@ -5,20 +6,6 @@
  *  Copyright (C) 2012-2014  Intel Corporation. All rights reserved.
  *
  *
- *  This library is free software; you can redistribute it and/or
- *  modify it under the terms of the GNU Lesser General Public
- *  License as published by the Free Software Foundation; either
- *  version 2.1 of the License, or (at your option) any later version.
- *
- *  This library is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- *  Lesser General Public License for more details.
- *
- *  You should have received a copy of the GNU Lesser General Public
- *  License along with this library; if not, write to the Free Software
- *  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
- *
  */
 
 #include <stdbool.h>
diff --git a/emulator/hfp.c b/emulator/hfp.c
index 29ec63e..bbf785e 100644
--- a/emulator/hfp.c
+++ b/emulator/hfp.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  *
  *  BlueZ - Bluetooth protocol stack for Linux
@@ -6,20 +7,6 @@
  *  Copyright (C) 2004-2010  Marcel Holtmann <marcel@holtmann.org>
  *
  *
- *  This program is free software; you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License as published by
- *  the Free Software Foundation; either version 2 of the License, or
- *  (at your option) any later version.
- *
- *  This program is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  GNU General Public License for more details.
- *
- *  You should have received a copy of the GNU General Public License
- *  along with this program; if not, write to the Free Software
- *  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
- *
  */
 
 #ifdef HAVE_CONFIG_H
diff --git a/emulator/le.c b/emulator/le.c
index 1c8ba28..4ffe3b1 100644
--- a/emulator/le.c
+++ b/emulator/le.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: LGPL-2.1-or-later
 /*
  *
  *  BlueZ - Bluetooth protocol stack for Linux
@@ -6,20 +7,6 @@
  *  Copyright (C) 2004-2010  Marcel Holtmann <marcel@holtmann.org>
  *
  *
- *  This library is free software; you can redistribute it and/or
- *  modify it under the terms of the GNU Lesser General Public
- *  License as published by the Free Software Foundation; either
- *  version 2.1 of the License, or (at your option) any later version.
- *
- *  This library is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- *  Lesser General Public License for more details.
- *
- *  You should have received a copy of the GNU Lesser General Public
- *  License along with this library; if not, write to the Free Software
- *  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
- *
  */
 
 #ifdef HAVE_CONFIG_H
diff --git a/emulator/le.h b/emulator/le.h
index 5e832e8..21d2b48 100644
--- a/emulator/le.h
+++ b/emulator/le.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
 /*
  *
  *  BlueZ - Bluetooth protocol stack for Linux
@@ -6,20 +7,6 @@
  *  Copyright (C) 2004-2010  Marcel Holtmann <marcel@holtmann.org>
  *
  *
- *  This library is free software; you can redistribute it and/or
- *  modify it under the terms of the GNU Lesser General Public
- *  License as published by the Free Software Foundation; either
- *  version 2.1 of the License, or (at your option) any later version.
- *
- *  This library is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- *  Lesser General Public License for more details.
- *
- *  You should have received a copy of the GNU Lesser General Public
- *  License along with this library; if not, write to the Free Software
- *  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
- *
  */
 
 #include <stdbool.h>
diff --git a/emulator/main.c b/emulator/main.c
index 75cb79c..cb77025 100644
--- a/emulator/main.c
+++ b/emulator/main.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: LGPL-2.1-or-later
 /*
  *
  *  BlueZ - Bluetooth protocol stack for Linux
@@ -6,20 +7,6 @@
  *  Copyright (C) 2004-2010  Marcel Holtmann <marcel@holtmann.org>
  *
  *
- *  This library is free software; you can redistribute it and/or
- *  modify it under the terms of the GNU Lesser General Public
- *  License as published by the Free Software Foundation; either
- *  version 2.1 of the License, or (at your option) any later version.
- *
- *  This library is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- *  Lesser General Public License for more details.
- *
- *  You should have received a copy of the GNU Lesser General Public
- *  License along with this library; if not, write to the Free Software
- *  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
- *
  */
 
 #ifdef HAVE_CONFIG_H
diff --git a/emulator/phy.c b/emulator/phy.c
index beb8bbb..4517ad1 100644
--- a/emulator/phy.c
+++ b/emulator/phy.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: LGPL-2.1-or-later
 /*
  *
  *  BlueZ - Bluetooth protocol stack for Linux
@@ -6,20 +7,6 @@
  *  Copyright (C) 2004-2010  Marcel Holtmann <marcel@holtmann.org>
  *
  *
- *  This library is free software; you can redistribute it and/or
- *  modify it under the terms of the GNU Lesser General Public
- *  License as published by the Free Software Foundation; either
- *  version 2.1 of the License, or (at your option) any later version.
- *
- *  This library is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- *  Lesser General Public License for more details.
- *
- *  You should have received a copy of the GNU Lesser General Public
- *  License along with this library; if not, write to the Free Software
- *  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
- *
  */
 
 #ifdef HAVE_CONFIG_H
diff --git a/emulator/phy.h b/emulator/phy.h
index d5efa51..9ee8f39 100644
--- a/emulator/phy.h
+++ b/emulator/phy.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
 /*
  *
  *  BlueZ - Bluetooth protocol stack for Linux
@@ -6,20 +7,6 @@
  *  Copyright (C) 2004-2010  Marcel Holtmann <marcel@holtmann.org>
  *
  *
- *  This library is free software; you can redistribute it and/or
- *  modify it under the terms of the GNU Lesser General Public
- *  License as published by the Free Software Foundation; either
- *  version 2.1 of the License, or (at your option) any later version.
- *
- *  This library is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- *  Lesser General Public License for more details.
- *
- *  You should have received a copy of the GNU Lesser General Public
- *  License along with this library; if not, write to the Free Software
- *  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
- *
  */
 
 #include <stdbool.h>
diff --git a/emulator/serial.c b/emulator/serial.c
index 1c324d5..b44af0d 100644
--- a/emulator/serial.c
+++ b/emulator/serial.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: LGPL-2.1-or-later
 /*
  *
  *  BlueZ - Bluetooth protocol stack for Linux
@@ -6,20 +7,6 @@
  *  Copyright (C) 2004-2010  Marcel Holtmann <marcel@holtmann.org>
  *
  *
- *  This library is free software; you can redistribute it and/or
- *  modify it under the terms of the GNU Lesser General Public
- *  License as published by the Free Software Foundation; either
- *  version 2.1 of the License, or (at your option) any later version.
- *
- *  This library is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- *  Lesser General Public License for more details.
- *
- *  You should have received a copy of the GNU Lesser General Public
- *  License along with this library; if not, write to the Free Software
- *  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
- *
  */
 
 #ifdef HAVE_CONFIG_H
diff --git a/emulator/serial.h b/emulator/serial.h
index 4e5a56f..1dce15f 100644
--- a/emulator/serial.h
+++ b/emulator/serial.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
 /*
  *
  *  BlueZ - Bluetooth protocol stack for Linux
@@ -6,20 +7,6 @@
  *  Copyright (C) 2004-2010  Marcel Holtmann <marcel@holtmann.org>
  *
  *
- *  This library is free software; you can redistribute it and/or
- *  modify it under the terms of the GNU Lesser General Public
- *  License as published by the Free Software Foundation; either
- *  version 2.1 of the License, or (at your option) any later version.
- *
- *  This library is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- *  Lesser General Public License for more details.
- *
- *  You should have received a copy of the GNU Lesser General Public
- *  License along with this library; if not, write to the Free Software
- *  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
- *
  */
 
 #include <stdint.h>
diff --git a/emulator/server.c b/emulator/server.c
index c28b15e..3b07a71 100644
--- a/emulator/server.c
+++ b/emulator/server.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: LGPL-2.1-or-later
 /*
  *
  *  BlueZ - Bluetooth protocol stack for Linux
@@ -6,20 +7,6 @@
  *  Copyright (C) 2004-2010  Marcel Holtmann <marcel@holtmann.org>
  *
  *
- *  This library is free software; you can redistribute it and/or
- *  modify it under the terms of the GNU Lesser General Public
- *  License as published by the Free Software Foundation; either
- *  version 2.1 of the License, or (at your option) any later version.
- *
- *  This library is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- *  Lesser General Public License for more details.
- *
- *  You should have received a copy of the GNU Lesser General Public
- *  License along with this library; if not, write to the Free Software
- *  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
- *
  */
 
 #ifdef HAVE_CONFIG_H
diff --git a/emulator/server.h b/emulator/server.h
index bf725e7..294e865 100644
--- a/emulator/server.h
+++ b/emulator/server.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
 /*
  *
  *  BlueZ - Bluetooth protocol stack for Linux
@@ -6,20 +7,6 @@
  *  Copyright (C) 2004-2010  Marcel Holtmann <marcel@holtmann.org>
  *
  *
- *  This library is free software; you can redistribute it and/or
- *  modify it under the terms of the GNU Lesser General Public
- *  License as published by the Free Software Foundation; either
- *  version 2.1 of the License, or (at your option) any later version.
- *
- *  This library is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- *  Lesser General Public License for more details.
- *
- *  You should have received a copy of the GNU Lesser General Public
- *  License along with this library; if not, write to the Free Software
- *  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
- *
  */
 
 #include <stdint.h>
diff --git a/emulator/smp.c b/emulator/smp.c
index c30de36..7c05ba3 100644
--- a/emulator/smp.c
+++ b/emulator/smp.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: LGPL-2.1-or-later
 /*
  *
  *  BlueZ - Bluetooth protocol stack for Linux
@@ -5,20 +6,6 @@
  *  Copyright (C) 2013-2014  Intel Corporation
  *
  *
- *  This library is free software; you can redistribute it and/or
- *  modify it under the terms of the GNU Lesser General Public
- *  License as published by the Free Software Foundation; either
- *  version 2.1 of the License, or (at your option) any later version.
- *
- *  This library is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- *  Lesser General Public License for more details.
- *
- *  You should have received a copy of the GNU Lesser General Public
- *  License along with this library; if not, write to the Free Software
- *  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
- *
  */
 
 #ifdef HAVE_CONFIG_H
diff --git a/emulator/vhci.c b/emulator/vhci.c
index f79b34f..84e1633 100644
--- a/emulator/vhci.c
+++ b/emulator/vhci.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: LGPL-2.1-or-later
 /*
  *
  *  BlueZ - Bluetooth protocol stack for Linux
@@ -6,20 +7,6 @@
  *  Copyright (C) 2004-2010  Marcel Holtmann <marcel@holtmann.org>
  *
  *
- *  This library is free software; you can redistribute it and/or
- *  modify it under the terms of the GNU Lesser General Public
- *  License as published by the Free Software Foundation; either
- *  version 2.1 of the License, or (at your option) any later version.
- *
- *  This library is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- *  Lesser General Public License for more details.
- *
- *  You should have received a copy of the GNU Lesser General Public
- *  License along with this library; if not, write to the Free Software
- *  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
- *
  */
 
 #ifdef HAVE_CONFIG_H
diff --git a/emulator/vhci.h b/emulator/vhci.h
index 1ec7191..24b36bd 100644
--- a/emulator/vhci.h
+++ b/emulator/vhci.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
 /*
  *
  *  BlueZ - Bluetooth protocol stack for Linux
@@ -6,20 +7,6 @@
  *  Copyright (C) 2004-2010  Marcel Holtmann <marcel@holtmann.org>
  *
  *
- *  This library is free software; you can redistribute it and/or
- *  modify it under the terms of the GNU Lesser General Public
- *  License as published by the Free Software Foundation; either
- *  version 2.1 of the License, or (at your option) any later version.
- *
- *  This library is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- *  Lesser General Public License for more details.
- *
- *  You should have received a copy of the GNU Lesser General Public
- *  License along with this library; if not, write to the Free Software
- *  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
- *
  */
 
 #include <stdint.h>