--- a/configure.ac
+++ b/configure.ac
@@ -826,20 +826,6 @@ if test "x$BUILD_EXAMPLES" = "xyes"; the
 fi
 AM_CONDITIONAL(HAVE_GTK, test "x$HAVE_GTK" = "xyes")
 
-dnl libunwind is optionally used by the leaks tracer
-PKG_CHECK_MODULES(UNWIND, libunwind, HAVE_UNWIND=yes, HAVE_UNWIND=no)
-
-dnl Check for backtrace() from libc
-AC_CHECK_FUNC(backtrace, [
-  AC_CHECK_HEADERS([execinfo.h], [
-    AC_DEFINE(HAVE_BACKTRACE,1,[Have backtrace])
-  ], [], [])
-])
-
-if test "x$HAVE_UNWIND" = "xyes"; then
-  AC_DEFINE(HAVE_UNWIND, 1, [libunwind available])
-fi
-
 dnl building of unit test libraries
 AC_ARG_ENABLE(check,
   AS_HELP_STRING([--disable-check],[disable building unit test libraries]),