diff --git a/examples/platform-specific/jn516x/tsch/simple-sensor-network/node/Makefile b/examples/platform-specific/jn516x/tsch/simple-sensor-network/node/Makefile
index ab51e45cf..307acd305 100644
--- a/examples/platform-specific/jn516x/tsch/simple-sensor-network/node/Makefile
+++ b/examples/platform-specific/jn516x/tsch/simple-sensor-network/node/Makefile
@@ -8,7 +8,6 @@ CONTIKI=../../../../../..
 PROJECTDIRS += .. ../../tools
 PROJECT_SOURCEFILES += rpl-tools.c
 CFLAGS += -DWITH_COAP
-CFLAGS += -DREST=coap_rest_implementation
 MAKE_MAC = MAKE_MAC_TSCH
 MODULES += os/net/app-layer/coap
 MODULES += os/services/orchestra os/lib/json
diff --git a/examples/platform-specific/jn516x/tsch/simple-sensor-network/rpl-border-router/Makefile b/examples/platform-specific/jn516x/tsch/simple-sensor-network/rpl-border-router/Makefile
index d8d32f4fd..c2c5780a2 100644
--- a/examples/platform-specific/jn516x/tsch/simple-sensor-network/rpl-border-router/Makefile
+++ b/examples/platform-specific/jn516x/tsch/simple-sensor-network/rpl-border-router/Makefile
@@ -10,7 +10,6 @@ PROJECTDIRS += .. ../../tools
 PROJECT_SOURCEFILES += rpl-tools.c
 
 CFLAGS += -DWITH_COAP
-CFLAGS += -DREST=coap_rest_implementation
 MAKE_MAC = MAKE_MAC_TSCH
 MODULES += os/net/app-layer/coap
 MODULES += os/services/orchestra os/lib/json
diff --git a/examples/platform-specific/jn516x/tsch/tx-power-verification/node/Makefile b/examples/platform-specific/jn516x/tsch/tx-power-verification/node/Makefile
index 2d155457f..569cb5a63 100644
--- a/examples/platform-specific/jn516x/tsch/tx-power-verification/node/Makefile
+++ b/examples/platform-specific/jn516x/tsch/tx-power-verification/node/Makefile
@@ -9,7 +9,6 @@ PROJECTDIRS += .. ../../tools
 PROJECT_SOURCEFILES += rpl-tools.c
 
 CFLAGS += -DWITH_COAP
-CFLAGS += -DREST=coap_rest_implementation
 MAKE_MAC = MAKE_MAC_TSCH
 MODULES += os/net/app-layer/coap
 MODULES += os/services/orchestra os/lib/json
diff --git a/examples/platform-specific/jn516x/tsch/uart1-test-node/Makefile b/examples/platform-specific/jn516x/tsch/uart1-test-node/Makefile
index b9c4da5df..78522213b 100644
--- a/examples/platform-specific/jn516x/tsch/uart1-test-node/Makefile
+++ b/examples/platform-specific/jn516x/tsch/uart1-test-node/Makefile
@@ -10,7 +10,6 @@ PROJECTDIRS += .. ../tools
 PROJECT_SOURCEFILES += rpl-tools.c
 
 CFLAGS += -DWITH_COAP
-CFLAGS += -DREST=coap_rest_implementation
 MAKE_MAC = MAKE_MAC_TSCH
 MODULES += os/net/app-layer/coap
 MODULES += os/services/orchestra os/lib/json