diff --git a/main/rtp_engine.c b/main/rtp_engine.c
index 66b80e5557cb3423df2ca4312b39a3d17d09c7ab..c2b1c8c2b7bc9f70f18acc051e4282d25fa0fb66 100644
--- a/main/rtp_engine.c
+++ b/main/rtp_engine.c
@@ -2692,11 +2692,6 @@ int ast_rtp_engine_init(void)
 	/* Opus and VP8 */
 	set_next_mime_type(ast_format_opus, 0,  "audio", "opus", 48000);
 	set_next_mime_type(ast_format_vp8, 0,  "video", "VP8", 90000);
-	/* DA SILK */
-	set_next_mime_type(ast_format_silk8, 0, "audio", "silk", 8000);
-	set_next_mime_type(ast_format_silk12, 0, "audio", "silk", 12000);
-	set_next_mime_type(ast_format_silk16, 0, "audio", "silk", 16000);
-	set_next_mime_type(ast_format_silk24, 0, "audio", "silk", 24000);
 
 	/* Define the static rtp payload mappings */
 	add_static_payload(0, ast_format_ulaw, 0);
@@ -2750,11 +2745,6 @@ int ast_rtp_engine_init(void)
 	add_static_payload(100, ast_format_vp8, 0);
 	add_static_payload(107, ast_format_opus, 0);
 
-	add_static_payload(108, ast_format_silk8, 0);
-	add_static_payload(109, ast_format_silk12, 0);
-	add_static_payload(113, ast_format_silk16, 0);
-	add_static_payload(114, ast_format_silk24, 0);
-
 	return 0;
 }