diff --git a/boards/hifive1/Makefile.features b/boards/hifive1/Makefile.features
index 88937c6039..c74c6deeaa 100644
--- a/boards/hifive1/Makefile.features
+++ b/boards/hifive1/Makefile.features
@@ -7,10 +7,6 @@ FEATURES_PROVIDED += periph_rtt
 FEATURES_PROVIDED += periph_timer
 FEATURES_PROVIDED += periph_uart
 
-ifneq (,$(filter periph_rtc,$(FEATURES_REQUIRED)))
-  FEATURES_REQUIRED += periph_rtt
-endif
-
 # The board MPU family (used for grouping by the CI system)
 FEATURES_MCU_GROUP = risc_v
 
diff --git a/cpu/fe310/Makefile.dep b/cpu/fe310/Makefile.dep
index 2728a327db..725d8c9daf 100644
--- a/cpu/fe310/Makefile.dep
+++ b/cpu/fe310/Makefile.dep
@@ -1,3 +1,3 @@
 ifneq (,$(filter periph_rtc,$(USEMODULE)))
-  USEMODULE += periph_rtt
+  FEATURES_REQUIRED += periph_rtt
 endif