diff --git a/iperf/configure.ac b/iperf/configure.ac
index 2b3fd20..f2517c2 100644
--- a/iperf/configure.ac
+++ b/iperf/configure.ac
@@ -167,8 +167,6 @@ fi
 dnl ===================================================================
 dnl Check for compiler characteristics
 
-DAST_CHECK_BOOL
-
 AC_C_BIGENDIAN
 
 dnl ===================================================================