diff --git a/COPYING b/COPYING
index 34246fad93..932016dfb6 100644
--- a/COPYING
+++ b/COPYING
@@ -383,10 +383,6 @@ Exhibit B - "Incompatible With Secondary Licenses" Notice
 
 ---end of MPL 2.0 license ---------------------------------------------------
 
-The ext/coroutine code is externally maintained and distributed under
-the Boost Software License, Version 1.0.  (See its accompanying file
-LICENSE_1_0.txt.)
-
 Sample TLS clients and servers are used for tests and are included in
 src/lib/asiolink/testutils. The Botan version was ported from the
 OpenSSL one with the help of the Botan team.  The files are
diff --git a/configure.ac b/configure.ac
index bff8a83ee1..7b786cfc8d 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1085,7 +1085,7 @@ if test $enable_gtest != "no"; then
     CPPFLAGS=$CPPFLAGS_SAVED
 fi
 
-# Provide the ability to include our coroutine header or other headers from ext.
+# Provide the ability to include headers from ext.
 CPPFLAGS="$CPPFLAGS -I\$(top_srcdir) -I\$(top_builddir)"
 
 # Doesn't seem to be required?
@@ -1514,7 +1514,6 @@ AC_CONFIG_FILES([doc/sphinx/Makefile])
 AC_CONFIG_FILES([doc/devel/Makefile])
 AC_CONFIG_FILES([ext/Makefile])
 AC_CONFIG_FILES([ext/gtest/Makefile])
-AC_CONFIG_FILES([ext/coroutine/Makefile])
 AC_CONFIG_FILES([fuzz/Makefile])
 AC_CONFIG_FILES([fuzz/input/Makefile])
 AC_CONFIG_FILES([fuzz/tests/Makefile])
diff --git a/ext/Makefile.am b/ext/Makefile.am
index 6cfbdee32f..b2685166c6 100644
--- a/ext/Makefile.am
+++ b/ext/Makefile.am
@@ -1,4 +1,4 @@
-SUBDIRS = coroutine
+SUBDIRS = .
 
 if HAVE_GTEST_SOURCE
 SUBDIRS += gtest