diff --git a/examples/dtls-echo/Makefile b/examples/dtls-echo/Makefile
index 5cc179253ef6..d8d4f0966bd2 100644
--- a/examples/dtls-echo/Makefile
+++ b/examples/dtls-echo/Makefile
@@ -7,13 +7,6 @@ BOARD ?= native
 # This has to be the absolute path to the RIOT base directory:
 RIOTBASE ?= $(CURDIR)/../..
 
-# TinyDTLS only has support for 32-bit architectures ATM
-BOARD_BLACKLIST := arduino-duemilanove arduino-leonardo \
-                   arduino-mega2560 arduino-nano arduino-uno atmega328p \
-                   chronos mega-xplained microduino-corerf \
-                   msb-430 msb-430h telosb waspmote-pro wsn430-v1_3b \
-                   wsn430-v1_4 z1
-
 # Include packages that pull up and auto-init the link layer.
 # NOTE: 6LoWPAN will be included if IEEE802.15.4 devices are present
 USEMODULE += gnrc_netdev_default
diff --git a/examples/dtls-wolfssl/Makefile b/examples/dtls-wolfssl/Makefile
index 46c948c43b14..8bb4e7699feb 100644
--- a/examples/dtls-wolfssl/Makefile
+++ b/examples/dtls-wolfssl/Makefile
@@ -7,9 +7,6 @@ BOARD ?= native
 # This has to be the absolute path to the RIOT base directory:
 RIOTBASE ?= $(CURDIR)/../..
 
-# wolfSSL supports 32-bit architectures only
-FEATURES_REQUIRED += arch_32bit
-
 # Include packages that pull up and auto-init the link layer.
 # NOTE: 6LoWPAN will be included if IEEE802.15.4 devices are present
 USEMODULE += gnrc_netdev_default
diff --git a/examples/javascript/Makefile b/examples/javascript/Makefile
index 51722d348b89..2038d474e9f9 100644
--- a/examples/javascript/Makefile
+++ b/examples/javascript/Makefile
@@ -7,12 +7,6 @@ BOARD ?= native
 # This has to be the absolute path to the RIOT base directory:
 RIOTBASE ?= $(CURDIR)/../..
 
-BOARD_BLACKLIST := arduino-duemilanove arduino-leonardo arduino-mega2560 \
-                   arduino-nano arduino-uno atmega328p chronos \
-                   msb-430 msb-430h telosb waspmote-pro wsn430-v1_3b \
-                   wsn430-v1_4 z1 pic32-wifire pic32-clicker \
-                   mega-xplained microduino-corerf
-
 # Comment this out to disable code in RIOT that does safety checking
 # which is not needed in a production environment but helps in the
 # development process:
diff --git a/examples/lua_REPL/Makefile b/examples/lua_REPL/Makefile
index 32a814668908..abf99eb8ac23 100644
--- a/examples/lua_REPL/Makefile
+++ b/examples/lua_REPL/Makefile
@@ -6,12 +6,6 @@ BOARD ?= native
 # This has to be the absolute path to the RIOT base directory:
 RIOTBASE ?= $(CURDIR)/../..
 
-BOARD_BLACKLIST := arduino-duemilanove arduino-leonardo \
-                   arduino-mega2560 arduino-nano arduino-uno atmega328p \
-                   chronos hifive1 hifive1b mega-xplained microduino-corerf \
-                   msb-430 msb-430h pic32-clicker pic32-wifire telosb \
-                   waspmote-pro wsn430-v1_3b wsn430-v1_4 z1
-
 # Comment this out to disable code in RIOT that does safety checking
 # which is not needed in a production environment but helps in the
 # development process:
diff --git a/examples/lua_basic/Makefile b/examples/lua_basic/Makefile
index 0e7c843323e5..05361d823664 100644
--- a/examples/lua_basic/Makefile
+++ b/examples/lua_basic/Makefile
@@ -6,12 +6,6 @@ BOARD ?= native
 # This has to be the absolute path to the RIOT base directory:
 RIOTBASE ?= $(CURDIR)/../..
 
-BOARD_BLACKLIST := arduino-duemilanove arduino-leonardo \
-                   arduino-mega2560 arduino-nano \
-                   arduino-uno atmega328p chronos hifive1 hifive1b \
-                   mega-xplained microduino-corerf msb-430 msb-430h pic32-clicker \
-                   pic32-wifire telosb waspmote-pro wsn430-v1_3b wsn430-v1_4 z1
-
 # Comment this out to disable code in RIOT that does safety checking
 # which is not needed in a production environment but helps in the
 # development process:
diff --git a/pkg/cifra/Makefile.dep b/pkg/cifra/Makefile.dep
new file mode 100644
index 000000000000..57d8d54026fe
--- /dev/null
+++ b/pkg/cifra/Makefile.dep
@@ -0,0 +1,2 @@
+# Cifra is only supported by 32 bit architectures
+FEATURES_REQUIRED += arch_32bit
diff --git a/pkg/cn-cbor/Makefile.dep b/pkg/cn-cbor/Makefile.dep
index ec9bf5782364..d2baa35dfe2b 100644
--- a/pkg/cn-cbor/Makefile.dep
+++ b/pkg/cn-cbor/Makefile.dep
@@ -1 +1,4 @@
 USEMODULE += posix_headers
+
+# CN-CBOR is only supported by 32 bit architectures
+FEATURES_REQUIRED += arch_32bit
diff --git a/pkg/hacl/Makefile.dep b/pkg/hacl/Makefile.dep
index 8030144a9aac..f9aabaca2e9e 100644
--- a/pkg/hacl/Makefile.dep
+++ b/pkg/hacl/Makefile.dep
@@ -1 +1,4 @@
 USEMODULE+=random
+
+# HACL is only supported by 32 bit architectures
+FEATURES_REQUIRED += arch_32bit
diff --git a/pkg/jerryscript/Makefile.dep b/pkg/jerryscript/Makefile.dep
index 5e38313cfedc..493506766dc5 100644
--- a/pkg/jerryscript/Makefile.dep
+++ b/pkg/jerryscript/Makefile.dep
@@ -2,3 +2,9 @@ ifneq (,$(filter jerryscript,$(USEPKG)))
   USEMODULE += jerryport-minimal
   USEMODULE += jerryscript-ext
 endif
+
+# Jerryscript is only supported by 32-bit architectures
+FEATURES_REQUIRED += arch_32bit
+
+# Jerryscript is not supported on MIPS because of missing stdin over UART
+FEATURES_BLACKLIST += arch_mips32r2
diff --git a/pkg/libcoap/Makefile.dep b/pkg/libcoap/Makefile.dep
index 35d651d968aa..5a5fa543e40f 100644
--- a/pkg/libcoap/Makefile.dep
+++ b/pkg/libcoap/Makefile.dep
@@ -3,3 +3,6 @@ ifneq (,$(filter libcoap,$(USEPKG)))
   USEMODULE += posix_headers
   USEMODULE += gnrc_sock_udp
 endif
+
+# libcoap is only supported by 32 bit architectures
+FEATURES_REQUIRED += arch_32bit
diff --git a/pkg/libhydrogen/Makefile.dep b/pkg/libhydrogen/Makefile.dep
index 3941d5a187d0..caba98824efa 100644
--- a/pkg/libhydrogen/Makefile.dep
+++ b/pkg/libhydrogen/Makefile.dep
@@ -1 +1,6 @@
 USEMODULE += random
+
+# libhydrogen is only supported by 32 bit architectures
+# AVR boards: require avr-gcc >= 7.0 (https://gcc.gnu.org/bugzilla/show_bug.cgi?id=60040)
+# MSP430 boards: invalid alignment of 'hydro_random_context'
+FEATURES_REQUIRED += arch_32bit
diff --git a/pkg/lua/Makefile.dep b/pkg/lua/Makefile.dep
index 2079d072aa51..848218175bc1 100644
--- a/pkg/lua/Makefile.dep
+++ b/pkg/lua/Makefile.dep
@@ -1,3 +1,14 @@
 USEPKG += tlsf
 USEMODULE += lua-contrib
 USEMODULE += printf_float
+
+# LUA is only supported by 32-bit architectures
+FEATURES_REQUIRED += arch_32bit
+
+# LUA is not supported on MIPS because of missing stdin over UART
+FEATURES_BLACKLIST += arch_mips32r2
+
+# LUA is not supported on RISCV because of build issues with the toolchain
+# (undefined reference to _times, _unlink and _link functions in provided
+# newlib nano).
+FEATURES_BLACKLIST += arch_riscv
diff --git a/pkg/micro-ecc/Makefile.dep b/pkg/micro-ecc/Makefile.dep
new file mode 100644
index 000000000000..2f9de711f68f
--- /dev/null
+++ b/pkg/micro-ecc/Makefile.dep
@@ -0,0 +1,2 @@
+# micro-ecc is not 16 bit compatible
+FEATURES_BLACKLIST += arch_16bit
diff --git a/pkg/monocypher/Makefile.dep b/pkg/monocypher/Makefile.dep
index 767f3cc1c768..2a90b7137822 100644
--- a/pkg/monocypher/Makefile.dep
+++ b/pkg/monocypher/Makefile.dep
@@ -1 +1,4 @@
 USEMODULE += monocypher_sha512
+
+# monocypher is only supported by 32 bit architectures
+FEATURES_REQUIRED += arch_32bit
diff --git a/pkg/qDSA/Makefile.dep b/pkg/qDSA/Makefile.dep
index 325ac6eecf6b..b19f9fa6fd9e 100644
--- a/pkg/qDSA/Makefile.dep
+++ b/pkg/qDSA/Makefile.dep
@@ -5,3 +5,6 @@ endif
 ifneq (,$(filter atmega_common,$(USEMODULE)))
   USEMODULE += qDSA_asm
 endif
+
+# qDsa is not 16 bit compatible
+FEATURES_BLACKLIST += arch_16bit
diff --git a/pkg/tinycbor/Makefile.dep b/pkg/tinycbor/Makefile.dep
new file mode 100644
index 000000000000..10f81a15ca01
--- /dev/null
+++ b/pkg/tinycbor/Makefile.dep
@@ -0,0 +1,2 @@
+# tinycbor is only supported by 32 bit architectures
+FEATURES_REQUIRED += arch_32bit
diff --git a/pkg/tinydtls/Makefile.dep b/pkg/tinydtls/Makefile.dep
index f76edd6d15ca..36392f3ba65c 100644
--- a/pkg/tinydtls/Makefile.dep
+++ b/pkg/tinydtls/Makefile.dep
@@ -8,3 +8,6 @@ ifneq (,$(filter tinydtls,$(USEMODULE)))
   USEMODULE += tinydtls_aes
   USEMODULE += tinydtls_ecc
 endif
+
+# TinyDTLS only has support for 32-bit architectures ATM
+FEATURES_REQUIRED += arch_32bit
diff --git a/pkg/wolfssl/Makefile.dep b/pkg/wolfssl/Makefile.dep
index 9352cdb32682..eaa49bff4b37 100644
--- a/pkg/wolfssl/Makefile.dep
+++ b/pkg/wolfssl/Makefile.dep
@@ -82,3 +82,6 @@ endif
 ifneq (,$(filter wolfcrypt_random,$(USEMODULE)))
   USEMODULE += random
 endif
+
+# wolfssl is only supported by 32 bit architectures
+FEATURES_REQUIRED += arch_32bit
diff --git a/tests/pkg_cifra/Makefile b/tests/pkg_cifra/Makefile
index 8bb6b27e9387..c5d47093c2e7 100644
--- a/tests/pkg_cifra/Makefile
+++ b/tests/pkg_cifra/Makefile
@@ -1,12 +1,5 @@
 include ../Makefile.tests_common
 
-# No 8 bit and 16 bit support
-BOARD_BLACKLIST := arduino-duemilanove arduino-leonardo \
-                   arduino-mega2560 arduino-nano arduino-uno \
-                   atmega328p chronos mega-xplained microduino-corerf \
-                   msb-430 msb-430h telosb waspmote-pro wsn430-v1_3b \
-                   wsn430-v1_4 z1
-
 USEMODULE += embunit
 USEMODULE += random
 USEPKG += cifra
diff --git a/tests/pkg_cn-cbor/Makefile b/tests/pkg_cn-cbor/Makefile
index d10a31651e7e..8ca112dbc8c1 100644
--- a/tests/pkg_cn-cbor/Makefile
+++ b/tests/pkg_cn-cbor/Makefile
@@ -1,23 +1,5 @@
 include ../Makefile.tests_common
 
-BOARD_BLACKLIST :=  arduino-duemilanove \
-                    arduino-leonardo \
-                    arduino-mega2560 \
-                    arduino-nano \
-                    arduino-uno \
-                    atmega328p \
-                    chronos \
-                    mega-xplained \
-                    microduino-corerf \
-                    msb-430 \
-                    msb-430h \
-                    telosb \
-                    waspmote-pro \
-                    wsn430-v1_3b \
-                    wsn430-v1_4 \
-                    z1 \
-                    #
-
 USEPKG += cn-cbor
 USEMODULE += embunit
 USEMODULE += fmt
diff --git a/tests/pkg_hacl/Makefile b/tests/pkg_hacl/Makefile
index 82fbfa2127f7..530bc4f53ea1 100644
--- a/tests/pkg_hacl/Makefile
+++ b/tests/pkg_hacl/Makefile
@@ -1,11 +1,5 @@
 include ../Makefile.tests_common
 
-BOARD_BLACKLIST := arduino-duemilanove arduino-leonardo \
-                   arduino-mega2560 arduino-nano arduino-uno \
-                   atmega328p chronos mega-xplained microduino-corerf \
-                   msb-430 msb-430h telosb waspmote-pro wsn430-v1_3b \
-                   wsn430-v1_4 z1
-
 CFLAGS += -DTHREAD_STACKSIZE_MAIN=\(5*THREAD_STACKSIZE_DEFAULT\)
 USEPKG += hacl
 USEMODULE += random
diff --git a/tests/pkg_libcoap/Makefile b/tests/pkg_libcoap/Makefile
index 2e01a71cd2d1..811ad79f71fd 100644
--- a/tests/pkg_libcoap/Makefile
+++ b/tests/pkg_libcoap/Makefile
@@ -1,11 +1,5 @@
 include ../Makefile.tests_common
 
-# msp430 and avr have problems with int width and libcoaps usage of :x notation in structs
-BOARD_BLACKLIST := arduino-duemilanove arduino-leonardo \
-                   arduino-mega2560 arduino-nano arduino-uno atmega328p \
-                   chronos mega-xplained microduino-corerf msb-430 \
-                   msb-430h telosb waspmote-pro wsn430-v1_3b wsn430-v1_4 z1
-
 USEMODULE += gnrc_ipv6
 USEMODULE += gnrc_sock_udp
 USEPKG += libcoap
diff --git a/tests/pkg_libcose/Makefile b/tests/pkg_libcose/Makefile
index 5679250e4d47..1d73e82e490d 100644
--- a/tests/pkg_libcose/Makefile
+++ b/tests/pkg_libcose/Makefile
@@ -1,15 +1,7 @@
 include ../Makefile.tests_common
 
-# HACL* only compiles on 32bit platforms
-BOARD_BLACKLIST := arduino-duemilanove arduino-leonardo \
-                   arduino-mega2560 arduino-nano arduino-uno \
-                   atmega328p chronos mega-xplained microduino-corerf \
-                   msb-430 msb-430h telosb waspmote-pro wsn430-v1_3b \
-                   wsn430-v1_4 z1
-
 TEST_ON_CI_WHITELIST += native
 
-
 USEPKG += libcose
 # By default we use hacl as crypto backend, uncomment to use a different
 # crypto backend.
diff --git a/tests/pkg_libhydrogen/Makefile b/tests/pkg_libhydrogen/Makefile
index 6baf058e3d61..f171720b314b 100644
--- a/tests/pkg_libhydrogen/Makefile
+++ b/tests/pkg_libhydrogen/Makefile
@@ -1,12 +1,5 @@
 include ../Makefile.tests_common
 
-# AVR boards: require avr-gcc >= 7.0 (https://gcc.gnu.org/bugzilla/show_bug.cgi?id=60040)
-# MSP430 boards: invalid alignment of 'hydro_random_context'
-BOARD_BLACKLIST := arduino-duemilanove arduino-leonardo \
-                   arduino-mega2560 arduino-uno atmega328p \
-                   mega-xplained microduino-corerf waspmote-pro \
-                   chronos msb-430 msb-430h telosb wsn430-v1_3b wsn430-v1_4 z1
-
 USEPKG += libhydrogen
 USEMODULE += embunit
 
diff --git a/tests/pkg_micro-ecc/Makefile b/tests/pkg_micro-ecc/Makefile
index cfb15ae55ea8..a1a70b69e82a 100644
--- a/tests/pkg_micro-ecc/Makefile
+++ b/tests/pkg_micro-ecc/Makefile
@@ -1,8 +1,5 @@
 include ../Makefile.tests_common
 
-# micro-ecc is not 16 bit compatible
-BOARD_BLACKLIST = chronos msb-430 msb-430h telosb wsn430-v1_3b wsn430-v1_4 z1
-
 USEMODULE += hashes
 USEPKG += micro-ecc
 
diff --git a/tests/pkg_monocypher/Makefile b/tests/pkg_monocypher/Makefile
index 460c75430f2e..bf9abd64a985 100644
--- a/tests/pkg_monocypher/Makefile
+++ b/tests/pkg_monocypher/Makefile
@@ -1,12 +1,5 @@
 include ../Makefile.tests_common
 
-# No 8 bit and 16 bit support
-BOARD_BLACKLIST := arduino-duemilanove arduino-leonardo \
-                   arduino-mega2560 arduino-nano arduino-uno \
-                   atmega328p chronos mega-xplained microduino-corerf \
-                   msb-430 msb-430h telosb waspmote-pro wsn430-v1_3b \
-                   wsn430-v1_4 z1
-
 # required for Monocypher (as described in the package documentation)
 CFLAGS += "-DTHREAD_STACKSIZE_MAIN=(4096 + THREAD_STACKSIZE_DEFAULT + THREAD_EXTRA_STACKSIZE_PRINTF)"
 
diff --git a/tests/pkg_qdsa/Makefile b/tests/pkg_qdsa/Makefile
index befa4345e995..7d855c09dc8c 100644
--- a/tests/pkg_qdsa/Makefile
+++ b/tests/pkg_qdsa/Makefile
@@ -1,8 +1,5 @@
 include ../Makefile.tests_common
 
-# qDSA is not 16 bit compatible
-BOARD_BLACKLIST := chronos msb-430 msb-430h telosb wsn430-v1_3b wsn430-v1_4 z1
-
 CFLAGS += -DTHREAD_STACKSIZE_MAIN=\(4*THREAD_STACKSIZE_DEFAULT\)
 
 USEPKG += qDSA
diff --git a/tests/pkg_tinycbor/Makefile b/tests/pkg_tinycbor/Makefile
index c1539a7f53e9..fd8b1560e4d9 100644
--- a/tests/pkg_tinycbor/Makefile
+++ b/tests/pkg_tinycbor/Makefile
@@ -1,12 +1,5 @@
 include ../Makefile.tests_common
 
-# No 8 bit and 16 bit support yet
-BOARD_BLACKLIST := arduino-duemilanove arduino-leonardo \
-                   arduino-mega2560 arduino-nano \
-                   arduino-uno atmega328p chronos microduino-corerf \
-                   mega-xplained msb-430 msb-430h telosb waspmote-pro \
-                   wsn430-v1_3b wsn430-v1_4 z1 \
-
 USEMODULE += embunit
 USEMODULE += fmt
 USEPKG += tinycbor
diff --git a/tests/pkg_wolfcrypt-ed25519-verify/Makefile b/tests/pkg_wolfcrypt-ed25519-verify/Makefile
index 0d382dc45b1a..f6b8db76e130 100644
--- a/tests/pkg_wolfcrypt-ed25519-verify/Makefile
+++ b/tests/pkg_wolfcrypt-ed25519-verify/Makefile
@@ -3,14 +3,6 @@ include ../Makefile.tests_common
 # If no BOARD is found in the environment, use this default:
 BOARD ?= native
 
-# Only 32-bit targets
-BOARD_BLACKLIST := arduino-duemilanove arduino-leonardo \
-                   arduino-mega2560 arduino-nano arduino-uno atmega328p \
-                   chronos esp8266-esp-12x esp8266-olimex-mod \
-                   esp8266-sparkfun-thing mega-xplained microduino-corerf \
-                   msb-430 msb-430h telosb waspmote-pro \
-                   wsn430-v1_3b wsn430-v1_4 z1
-
 # This has to be the absolute path to the RIOT base directory:
 RIOTBASE ?= $(CURDIR)/../..
 
diff --git a/tests/pkg_wolfssl/Makefile b/tests/pkg_wolfssl/Makefile
index 2176dcde00bc..e15f2263c806 100644
--- a/tests/pkg_wolfssl/Makefile
+++ b/tests/pkg_wolfssl/Makefile
@@ -3,14 +3,6 @@ include ../Makefile.tests_common
 # If no BOARD is found in the environment, use this default:
 BOARD ?= native
 
-# Only 32-bit targets
-BOARD_BLACKLIST := arduino-duemilanove arduino-leonardo \
-                   arduino-mega2560 arduino-nano arduino-uno \
-                   atmega328p chronos esp8266-esp-12x esp8266-olimex-mod \
-                   esp8266-sparkfun-thing mega-xplained microduino-corerf \
-                   msb-430 msb-430h telosb waspmote-pro \
-                   wsn430-v1_3b wsn430-v1_4 z1
-
 # This has to be the absolute path to the RIOT base directory:
 RIOTBASE ?= $(CURDIR)/../..