diff --git a/configure.in b/configure.in
index e421aa0..edc9d7a 100644
--- a/configure.in
+++ b/configure.in
@@ -990,30 +990,6 @@ fi
 AC_CHECK_FUNCS(getprotobyname_r endservent)
 AC_CHECK_HEADERS([netdb.h winsock2.h mswsock.h wspiapi.h])
 
-# For gio/libasyncns
-if test $glib_native_win32 = no; then
-  AC_CHECK_FUNCS(strndup setresuid setreuid)
-  AC_CHECK_HEADERS(sys/prctl.h arpa/nameser_compat.h)
-  AC_CHECK_FUNC(res_query, ,
-    [AC_CHECK_LIB(resolv, res_query, [ LIBASYNCNS_LIBADD="-lresolv" ],
-      [ save_libs="$LIBS"
-        LIBS="-lresolv $LIBS"
-        AC_MSG_CHECKING([for res_query in -lresolv (alternate version)])
-        AC_LINK_IFELSE(
-          [AC_LANG_PROGRAM([[#include <resolv.h>]], [[res_query(0,0,0,0,0)]])],
-          [ AC_MSG_RESULT(yes)
-  	  LIBASYNCNS_LIBADD="-lresolv" ],
-          [ AC_MSG_RESULT(no)
-            AC_CHECK_LIB(bind, res_query,
-              [ LIBASYNCNS_LIBADD="-lbind" ],
-  	    [ AC_MSG_ERROR(res_query not found) ] ) ] )
-        LIBS="$save_libs"
-      ] )
-    ]
-  )
-  AC_SUBST(LIBASYNCNS_LIBADD)
-fi
-
 case $host in
   *-*-solaris* )
      AC_DEFINE(_XOPEN_SOURCE_EXTENDED, 1, Needed to get declarations for msg_control and msg_controllen on Solaris)
@@ -1918,7 +1894,7 @@ if test x"$have_threads" != xno; then
         G_THREAD_LIBS="-lpthread -lthread"
         ;;
       *)
-        for flag in pthread pthreads mt; do
+        for flag in pthread mt; do
           glib_save_CFLAGS="$CFLAGS"
           CFLAGS="$CFLAGS -$flag"
           AC_TRY_RUN(glib_thread_test(0),
@@ -2028,7 +2004,7 @@ case $have_threads in
               *)
                 G_THREAD_LIBS=error
 	        glib_save_LIBS="$LIBS"
-	        for thread_lib in "" pthread pthread32 pthreads thread dce; do
+	        for thread_lib in "" pthread pthread32 thread dce; do
 			if test x"$thread_lib" = x; then
 				add_thread_lib=""
 				IN=""