@@ -654,12 +654,10 @@
 		AC_SUBST(ENCODINGS_A, "encodings.a")
 		AC_SUBST(ENCODINGS_ENCODINGS_A, "encodings/encodings.a")
 	])
 ])
 
-AC_CHECK_FUNCS(sigaction)
-
 AC_CHECK_FUNCS(arc4random random, break)
 
 AC_CHECK_LIB(dl, dlopen, LIBS="$LIBS -ldl")
 AC_CHECK_HEADERS_ONCE(dlfcn.h)
 case "$host_os" in