diff --git a/examples/riot/coap_federated_lf/Makefile b/examples/riot/coap_federated_lf/Makefile
index 59789c7c..f2c7ac5f 100755
--- a/examples/riot/coap_federated_lf/Makefile
+++ b/examples/riot/coap_federated_lf/Makefile
@@ -24,9 +24,6 @@ DEVELHELP ?= 1
 # Change this to 0 show compiler invocation lines by default:
 QUIET ?= 1
 
-# Enable reactor-uc features
-CFLAGS += -DNETWORK_CHANNEL_COAP_RIOT
-
 # Configure CoAP retransmission timeout
 CFLAGS += -DCONFIG_GCOAP_NO_RETRANS_BACKOFF=1
 CFLAGS += -DCONFIG_COAP_ACK_TIMEOUT_MS=400
diff --git a/make/riot/riot-lfc.mk b/make/riot/riot-lfc.mk
index 70f7d2e2..8b5f64cf 100644
--- a/make/riot/riot-lfc.mk
+++ b/make/riot/riot-lfc.mk
@@ -44,6 +44,9 @@ else
   # Include generated h files
   CFLAGS += -I$(LF_SRC_GEN_PATH)
 
+  # Add compile definitions produced by the LF compiler
+  CFLAGS += $(patsubst %, -D%, $(LFC_GEN_COMPILE_DEFS))
+
   include $(RIOT_MK_DIR)/riot.mk
 endif