diff --git a/LICENSE-3RD-PARTY.txt b/LICENSE-3RD-PARTY.txt
index 8a839cf94d7fb95ba15401dba6864831d28a3940..226afef995526a0597deb1648b7721b390204c13 100644
--- a/LICENSE-3RD-PARTY.txt
+++ b/LICENSE-3RD-PARTY.txt
@@ -1594,6 +1594,38 @@ freely, subject to the following restrictions:
    misrepresented as being the original software.
 3. This notice may not be removed or altered from any source distribution.
 
+--------------------------------------------------------------------------------
+                        2-Clause BSD License
+        applies to:
+        - monocypher
+          Copyright (c) 2017-2020, Loup Vaillant
+          All rights reserved.
+          https://monocypher.org/
+--------------------------------------------------------------------------------
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are
+met:
+
+1. Redistributions of source code must retain the above copyright
+   notice, this list of conditions and the following disclaimer.
+2. Redistributions in binary form must reproduce the above copyright
+   notice, this list of conditions and the following disclaimer in the
+   documentation and/or other materials provided with the
+   distribution.
+   
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
 --------------------------------------------------------------------------------
                         MIT License
         applies to:
@@ -1652,4 +1684,4 @@ FITNESS FOR A PARTICULAR PURPOSE, TITLE AND NON-INFRINGEMENT. IN NO EVENT
 SHALL THE COPYRIGHT HOLDERS OR ANYONE DISTRIBUTING THE SOFTWARE BE LIABLE
 FOR ANY DAMAGES OR OTHER LIABILITY, WHETHER IN CONTRACT, TORT OR OTHERWISE,
 ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
-DEALINGS IN THE SOFTWARE.
+DEALINGS IN THE SOFTWARE.
\ No newline at end of file
diff --git a/src/monocypher/monocypher.c b/src/monocypher/monocypher.c
index b01a4b728e533a32d6029c60648b650722328d8a..0d0fa5495d70ca67f0e6b3b3f6494f9cb4a8cf5b 100644
--- a/src/monocypher/monocypher.c
+++ b/src/monocypher/monocypher.c
@@ -1,16 +1,5 @@
 // Monocypher version 4.0.0
 //
-// This file is dual-licensed.  Choose whichever licence you want from
-// the two licences listed below.
-//
-// The first licence is a regular 2-clause BSD licence.  The second licence
-// is the CC-0 from Creative Commons. It is intended to release Monocypher
-// to the public domain.  The BSD licence serves as a fallback option.
-//
-// SPDX-License-Identifier: BSD-2-Clause OR CC0-1.0
-//
-// ------------------------------------------------------------------------
-//
 // Copyright (c) 2017-2020, Loup Vaillant
 // All rights reserved.
 //
@@ -38,18 +27,6 @@
 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-//
-// ------------------------------------------------------------------------
-//
-// Written in 2017-2020 by Loup Vaillant
-//
-// To the extent possible under law, the author(s) have dedicated all copyright
-// and related neighboring rights to this software to the public domain
-// worldwide.  This software is distributed without any warranty.
-//
-// You should have received a copy of the CC0 Public Domain Dedication along
-// with this software.  If not, see
-// <https://creativecommons.org/publicdomain/zero/1.0/>
 
 #include "monocypher.h"