diff --git a/lib/IO/Lambda/DNS.pm b/lib/IO/Lambda/DNS.pm
index b1be635..f2df736 100644
--- a/lib/IO/Lambda/DNS.pm
+++ b/lib/IO/Lambda/DNS.pm
@@ -51,19 +51,7 @@ lambda {
 	my $bg_obj = $obj-> bgsend( @ctx);
 	return "send error: " . $obj-> errorstring unless $bg_obj;
 
-	my $sock;
-	if ( $Net::DNS::VERSION == 1.03 ) {
-		# this is a IO::Select object
-		my @handles = $bg_obj->handles;
-		if ( 1 != @handles ) {
-			warn "There's something wrong with Net::DNS version $Net::DNS::VERSION, please notify the author\n";
-			return "panic: Net::DNS returned not 1 socket\n";
-		}
-		$sock = $handles[0]->[0];
-	} else {
-		$sock = $bg_obj;
-	}
-
+	my $sock = $bg_obj;
 	context $sock, $timeout;
 readable {
 	unless ( shift) {