diff --git a/tests/emb6/Makefile b/tests/emb6/Makefile
index 1063f65693..184b11188c 100644
--- a/tests/emb6/Makefile
+++ b/tests/emb6/Makefile
@@ -3,7 +3,8 @@ BOARD ?= samr21-xpro
 include ../Makefile.tests_common
 
 # MSP-430 doesn't support C11's atomic functionality yet
-BOARD_BLACKLIST := msb-430 msb-430h telosb wsn430-v1_3b wsn430-v1_4 z1
+BOARD_BLACKLIST := msb-430 msb-430h pic32-clicker pic32-wifire \
+                   telosb wsn430-v1_3b wsn430-v1_4 z1
 
 BOARD_INSUFFICIENT_MEMORY := arduino-duemilanove arduino-uno \
                              msb-430 msb-430h nucleo-l031k6 nucleo-f031k6 \
diff --git a/tests/pkg_semtech-loramac/Makefile b/tests/pkg_semtech-loramac/Makefile
index 2324bba50e..6634837b7d 100644
--- a/tests/pkg_semtech-loramac/Makefile
+++ b/tests/pkg_semtech-loramac/Makefile
@@ -5,7 +5,8 @@ include ../Makefile.tests_common
 BOARD_INSUFFICIENT_MEMORY := arduino-duemilanove arduino-uno \
                              nucleo-f031k6 nucleo-f042k6 nucleo-l031k6
 
-BOARD_BLACKLIST := msb-430 msb-430h telosb wsn430-v1_3b wsn430-v1_4 z1
+BOARD_BLACKLIST := msb-430 msb-430h pic32-clicker pic32-wifire \
+                   telosb wsn430-v1_3b wsn430-v1_4 z1
 
 LORA_DRIVER ?= sx1276
 LORA_REGION ?= EU868