diff --git a/ext/opus/Makefile.am b/ext/opus/Makefile.am
index 517bc41db6..66369e8671 100644
--- a/ext/opus/Makefile.am
+++ b/ext/opus/Makefile.am
@@ -2,8 +2,6 @@ plugin_LTLIBRARIES = libgstopus.la
 
 libgstopus_la_SOURCES = gstopus.c gstopusdec.c gstopusenc.c gstopusheader.c gstopuscommon.c
 libgstopus_la_CFLAGS = \
-        -DGST_USE_UNSTABLE_API \
-	$(GST_PLUGINS_BAD_CFLAGS) \
 	$(GST_PLUGINS_BASE_CFLAGS) \
 	$(GST_CFLAGS) \
 	$(OPUS_CFLAGS)