diff --git a/sys/include/net/coap.h b/sys/include/net/coap.h
index 1afe1d21df..894c019f8b 100644
--- a/sys/include/net/coap.h
+++ b/sys/include/net/coap.h
@@ -127,19 +127,6 @@ extern "C" {
 #define COAP_CODE_PROXYING_NOT_SUPPORTED     ((5 << 5) | 5)
 /** @} */
 
-/**
- * @name    Content types
- * @deprecated  Deprecated in favour of [COAP_FORMAT_](@ref net_coap_format)
- *              style defines
- * @{
- */
-#define COAP_CT_LINK_FORMAT     (40)
-#define COAP_CT_XML             (41)
-#define COAP_CT_OCTET_STREAM    (42)
-#define COAP_CT_EXI             (47)
-#define COAP_CT_JSON            (50)
-/** @} */
-
 /**
  * @name    Content-Format option codes
  * @anchor  net_coap_format