diff --git a/configure.ac b/configure.ac
index 43c054a..27a809a 100644
--- a/configure.ac
+++ b/configure.ac
@@ -101,12 +101,10 @@ AS_CASE([${enable_debug}],
   [ yes ], [
     AC_MSG_RESULT([yes])
     AC_DEFINE([__RTAUDIO_DEBUG__])
-    debugflags="${debugflags} -g -O0"
     object_path=Debug
   ],
   [ no ], [
     AC_MSG_RESULT([no!])
-    debugflags="${debugflags} -O3"
   ], [
     AC_MSG_RESULT([no])
   ])