--- configure.ac	(Asterisk 13.8.2)
+++ configure.ac	(working copy)
@@ -2243 +2242,0 @@
-      AST_EXT_LIB_CHECK([PJSIP_EVSUB_SET_UAS_TIMEOUT], [pjsip], [pjsip_evsub_set_uas_timeout], [pjsip.h], [$PJPROJECT_LIB], [$PJPROJECT_CFLAGS])
--- third-party/pjproject/configure.m4	(Asterisk 13.8.2)
+++ third-party/pjproject/configure.m4	(working copy)
@@ -83 +82,0 @@
-	AC_DEFINE([HAVE_PJSIP_EVSUB_SET_UAS_TIMEOUT], 1, [Define if your system has pjsip_evsub_set_uas_timeout declared.])