diff --git a/Makefile.dep b/Makefile.dep
index a1b19ca61cbb66c29948b596e67dfc742accaea8..a2a31ff59c1a9352e82215af8c47eff0ced3ee2e 100644
--- a/Makefile.dep
+++ b/Makefile.dep
@@ -353,6 +353,10 @@ ifneq (,$(filter gnrc_pktdump,$(USEMODULE)))
   USEMODULE += od
 endif
 
+ifneq (,$(filter gnrc_slip,$(USEMODULE)))
+  FEATURES_REQUIRED += periph_uart
+endif
+
 ifneq (,$(filter od,$(USEMODULE)))
   USEMODULE += fmt
 endif
diff --git a/sys/Makefile.include b/sys/Makefile.include
index 11b668f2189e2cd918438cb6adbc62a67244decf..0c8c6b7ecfdb491a282b6d1e02d78f18765fe5c1 100644
--- a/sys/Makefile.include
+++ b/sys/Makefile.include
@@ -43,10 +43,6 @@ ifneq (,$(filter cpp11-compat,$(USEMODULE)))
   export UNDEF += $(BINDIR)/cpp11-compat/cppsupport.o
 endif
 
-ifneq (,$(filter gnrc_slip,$(USEMODULE)))
-  FEATURES_REQUIRED += periph_uart
-endif
-
 ifneq (,$(filter embunit,$(USEMODULE)))
   ifeq ($(OUTPUT),XML)
     CFLAGS += -DOUTPUT=OUTPUT_XML