diff --git a/boards/common/blxxxpill/Makefile.features b/boards/common/blxxxpill/Makefile.features
index 3c1aab73cb..4a5fb7b385 100644
--- a/boards/common/blxxxpill/Makefile.features
+++ b/boards/common/blxxxpill/Makefile.features
@@ -7,5 +7,3 @@ FEATURES_PROVIDED += periph_pwm
 FEATURES_PROVIDED += periph_spi
 FEATURES_PROVIDED += periph_timer
 FEATURES_PROVIDED += periph_uart
-
-include $(RIOTCPU)/stm32f1/Makefile.features
diff --git a/boards/p-l496g-cell02/Makefile.features b/boards/p-l496g-cell02/Makefile.features
index 4103b7ede0..585f69f02d 100644
--- a/boards/p-l496g-cell02/Makefile.features
+++ b/boards/p-l496g-cell02/Makefile.features
@@ -10,5 +10,3 @@ FEATURES_PROVIDED += periph_rtt
 FEATURES_PROVIDED += periph_spi
 FEATURES_PROVIDED += periph_timer
 FEATURES_PROVIDED += periph_uart
-
-include $(RIOTCPU)/stm32l4/Makefile.features
diff --git a/boards/samr34-xpro/Makefile.features b/boards/samr34-xpro/Makefile.features
index 5bd333fa8a..52d8b44af3 100644
--- a/boards/samr34-xpro/Makefile.features
+++ b/boards/samr34-xpro/Makefile.features
@@ -10,6 +10,3 @@ FEATURES_PROVIDED += periph_rtt
 FEATURES_PROVIDED += periph_spi
 FEATURES_PROVIDED += periph_timer
 FEATURES_PROVIDED += periph_uart
-
-# samr34 is a specific flavor of saml21
-include $(RIOTCPU)/saml21/Makefile.features
diff --git a/boards/stm32f723e-disco/Makefile.features b/boards/stm32f723e-disco/Makefile.features
index 24cc39355d..ccf8f03c99 100644
--- a/boards/stm32f723e-disco/Makefile.features
+++ b/boards/stm32f723e-disco/Makefile.features
@@ -9,5 +9,3 @@ FEATURES_PROVIDED += periph_rtt
 FEATURES_PROVIDED += periph_spi
 FEATURES_PROVIDED += periph_timer
 FEATURES_PROVIDED += periph_uart
-
-include $(RIOTCPU)/stm32f7/Makefile.features