diff --git a/tests/cbor/Makefile b/tests/cbor/Makefile
index c4f82bdb41c064468b4b39f2e8ccb5a9f4c5cb58..f1cca316d3dba19f0f878ff1d85367571de82ce4 100644
--- a/tests/cbor/Makefile
+++ b/tests/cbor/Makefile
@@ -2,6 +2,7 @@ include ../Makefile.tests_common
 
 BOARD_BLACKLIST := arduino-duemilanove arduino-mega2560 arduino-uno
 BOARD_BLACKLIST += chronos
+BOARD_BLACKLIST += mega-xplained
 BOARD_BLACKLIST += mips-malta
 BOARD_BLACKLIST += msb-430 msb-430h
 BOARD_BLACKLIST += nucleo32-f031
diff --git a/tests/driver_adt7310/Makefile b/tests/driver_adt7310/Makefile
index daa9f88d01b891383ff109772df07e897854c64b..e534b62fa36b41ea0ba22a02b20967885baf9448 100644
--- a/tests/driver_adt7310/Makefile
+++ b/tests/driver_adt7310/Makefile
@@ -1,6 +1,8 @@
 include ../Makefile.tests_common
 
-BOARD_INSUFFICIENT_MEMORY := arduino-mega2560 waspmote-pro
+BOARD_INSUFFICIENT_MEMORY := arduino-mega2560 \
+                             mega-xplained \
+                             waspmote-pro
 
 FEATURES_REQUIRED = periph_spi periph_gpio
 
diff --git a/tests/gnrc_tcp_client/Makefile b/tests/gnrc_tcp_client/Makefile
index aded1092bf548f2dfed7448981e800da5030c1d9..7e3a29612bf2dc4583ffe3b289b859c8c28f92e1 100644
--- a/tests/gnrc_tcp_client/Makefile
+++ b/tests/gnrc_tcp_client/Makefile
@@ -10,8 +10,8 @@ TCP_TEST_CYCLES ?= 3
 
 # Mark Boards with insufficient memory
 BOARD_INSUFFICIENT_MEMORY := airfy-beacon arduino-duemilanove arduino-mega2560 \
-                             arduino-uno calliope-mini chronos microbit msb-430 \
-                             msb-430h nrf51dongle nrf6310 nucleo32-f031 \
+                             arduino-uno calliope-mini chronos mega-xplained microbit \
+                             msb-430 msb-430h nrf51dongle nrf6310 nucleo32-f031 \
                              nucleo32-f042 nucleo32-f303 nucleo32-l031 nucleo-f030 \
                              nucleo-f070 nucleo-f072 nucleo-f302 nucleo-f334 nucleo-l053 \
                              sb-430 sb-430h stm32f0discovery telosb \
diff --git a/tests/gnrc_tcp_server/Makefile b/tests/gnrc_tcp_server/Makefile
index 5e1fb393e3b1879ce7e36ab83ff37fb19c617e1c..e955cb34845a432d99bd9d47875e30bce2c2e6d2 100644
--- a/tests/gnrc_tcp_server/Makefile
+++ b/tests/gnrc_tcp_server/Makefile
@@ -10,8 +10,8 @@ TCP_TEST_CYCLES ?= 3
 
 # Mark Boards with insufficient memory
 BOARD_INSUFFICIENT_MEMORY := airfy-beacon arduino-duemilanove arduino-mega2560 \
-                             arduino-uno calliope-mini chronos microbit msb-430 \
-                             msb-430h nrf51dongle nrf6310 nucleo32-f031 \
+                             arduino-uno calliope-mini chronos mega-xplained \
+                             microbit msb-430 msb-430h nrf51dongle nrf6310 nucleo32-f031 \
                              nucleo32-f042 nucleo32-f303 nucleo32-l031 nucleo-f030 \
                              nucleo-f070 nucleo-f072 nucleo-f302 nucleo-f334 nucleo-l053 \
                              sb-430 sb-430h stm32f0discovery telosb \
diff --git a/tests/libfixmath_unittests/Makefile b/tests/libfixmath_unittests/Makefile
index d68880bea50a08734dc9dc349be0d5aff89d374d..d7c734a3ab69cf555a50cc0e98b1cd9306d00fe5 100644
--- a/tests/libfixmath_unittests/Makefile
+++ b/tests/libfixmath_unittests/Makefile
@@ -1,7 +1,7 @@
 include ../Makefile.tests_common
 
 BOARD_BLACKLIST := arduino-mega2560 waspmote-pro arduino-uno arduino-duemilanove \
-                   jiminy-mega256rfr2
+                   jiminy-mega256rfr2 mega-xplained
 # arduino-mega2560: builds locally but breaks travis (possibly because of
 # differences in the toolchain)
 # The MSP boards don't feature round(), exp(), and log(), which are used in the unittests
diff --git a/tests/lwip/Makefile b/tests/lwip/Makefile
index aaac98aa03f2a2a6a4e84010b2f6985c8f277498..45955f10e7cb17bd0353921112861866ff7bf339 100644
--- a/tests/lwip/Makefile
+++ b/tests/lwip/Makefile
@@ -4,7 +4,7 @@ include ../Makefile.tests_common
 # moment.
 BOARD_BLACKLIST := arduino-uno arduino-duemilanove arduino-mega2560 chronos \
                    msb-430 msb-430h telosb waspmote-pro wsn430-v1_3b \
-                   wsn430-v1_4 z1 jiminy-mega256rfr2
+                   wsn430-v1_4 z1 jiminy-mega256rfr2 mega-xplained
 BOARD_INSUFFICIENT_MEMORY := airfy-beacon nrf6310 nucleo32-f031 nucleo32-f042 \
                              nucleo32-l031 nucleo-f030 nucleo-f334 nucleo-l053 \
                              stm32f0discovery yunjia-nrf51822
diff --git a/tests/lwip_sock_ip/Makefile b/tests/lwip_sock_ip/Makefile
index af42718505ec5b4e6f669654a933bb0040d79a4f..c8622fda054c153c385deab0528c7d498966de8a 100644
--- a/tests/lwip_sock_ip/Makefile
+++ b/tests/lwip_sock_ip/Makefile
@@ -4,7 +4,7 @@ include ../Makefile.tests_common
 # moment.
 BOARD_BLACKLIST := arduino-uno arduino-duemilanove arduino-mega2560 chronos \
                    msb-430 msb-430h telosb waspmote-pro wsn430-v1_3b \
-                   wsn430-v1_4 z1 jiminy-mega256rfr2
+                   wsn430-v1_4 z1 jiminy-mega256rfr2 mega-xplained
 BOARD_INSUFFICIENT_MEMORY = nucleo32-f031 nucleo32-f042 nucleo32-l031 nucleo-f030 \
                             nucleo-f334 nucleo-l053 stm32f0discovery
 
diff --git a/tests/lwip_sock_tcp/Makefile b/tests/lwip_sock_tcp/Makefile
index 0896baba869d2b9fa50244261cdad20f16206e49..3107c664af8283ac3d32676918fca9f096337c63 100644
--- a/tests/lwip_sock_tcp/Makefile
+++ b/tests/lwip_sock_tcp/Makefile
@@ -4,7 +4,7 @@ include ../Makefile.tests_common
 # moment.
 BOARD_BLACKLIST := arduino-uno arduino-duemilanove arduino-mega2560 chronos \
                    msb-430 msb-430h telosb waspmote-pro wsn430-v1_3b \
-                   wsn430-v1_4 z1 jiminy-mega256rfr2
+                   wsn430-v1_4 z1 jiminy-mega256rfr2 mega-xplained
 BOARD_INSUFFICIENT_MEMORY = nucleo32-f031 nucleo32-f042 nucleo32-l031 nucleo-f030 \
                             nucleo-f334 nucleo-l053 stm32f0discovery
 
diff --git a/tests/lwip_sock_udp/Makefile b/tests/lwip_sock_udp/Makefile
index 44c5f98eedd5761850d626549b56923dd9339526..2fdddc99f381f45fa6a5e9f133d165c4d04a3bcd 100644
--- a/tests/lwip_sock_udp/Makefile
+++ b/tests/lwip_sock_udp/Makefile
@@ -4,7 +4,7 @@ include ../Makefile.tests_common
 # moment.
 BOARD_BLACKLIST := arduino-uno arduino-duemilanove arduino-mega2560 chronos \
                    msb-430 msb-430h telosb waspmote-pro wsn430-v1_3b \
-                   wsn430-v1_4 z1 jiminy-mega256rfr2
+                   wsn430-v1_4 z1 jiminy-mega256rfr2 mega-xplained
 BOARD_INSUFFICIENT_MEMORY = nucleo32-f031 nucleo32-f042 nucleo32-l031 nucleo-f030 \
                             nucleo-f334 nucleo-l053 stm32f0discovery
 
diff --git a/tests/nhdp/Makefile b/tests/nhdp/Makefile
index f937942132e2c58429e44d7e485b2673b0ebf417..c58135f8013c21ed249ed60c17fc3cbf7a0f5367 100644
--- a/tests/nhdp/Makefile
+++ b/tests/nhdp/Makefile
@@ -2,7 +2,7 @@ include ../Makefile.tests_common
 
 BOARD_BLACKLIST := arduino-mega2560 chronos msb-430 msb-430h telosb \
                    wsn430-v1_3b wsn430-v1_4 z1 waspmote-pro arduino-uno \
-                   arduino-duemilanove jiminy-mega256rfr2
+                   arduino-duemilanove jiminy-mega256rfr2 mega-xplained
 BOARD_INSUFFICIENT_MEMORY := nucleo32-f031 nucleo32-f042 nucleo32-l031 nucleo-f030 \
                              nucleo-f334 nucleo-l053 stm32f0discovery
 
diff --git a/tests/pipe/Makefile b/tests/pipe/Makefile
index 09c994a8f120cd0a742e491ec7b7a928c33417b9..4d25c6d2f4033da9cf2048274c963fa22e9dec60 100644
--- a/tests/pipe/Makefile
+++ b/tests/pipe/Makefile
@@ -1,7 +1,7 @@
 include ../Makefile.tests_common
 
 #malloc.h not found
-BOARD_BLACKLIST := jiminy-mega256rfr2
+BOARD_BLACKLIST := jiminy-mega256rfr2 mega-xplained
 BOARD_INSUFFICIENT_MEMORY := nucleo32-f031
 
 USEMODULE += pipe
diff --git a/tests/pkg_libcoap/Makefile b/tests/pkg_libcoap/Makefile
index c9c2f3305711d04c163c5f16f49fdefa57b82199..eb75ef1f46dc5a5b53c78be439a77b058e762727 100644
--- a/tests/pkg_libcoap/Makefile
+++ b/tests/pkg_libcoap/Makefile
@@ -3,7 +3,7 @@ include ../Makefile.tests_common
 # msp430 and avr have problems with int width and libcoaps usage of :x notation in structs
 BOARD_BLACKLIST := arduino-mega2560 chronos msb-430 msb-430h telosb wsn430-v1_3b \
                    wsn430-v1_4 z1 waspmote-pro arduino-uno arduino-duemilanove \
-                   jiminy-mega256rfr2
+                   jiminy-mega256rfr2 mega-xplained
 BOARD_INSUFFICIENT_MEMORY := chronos msb-430 msb-430h nucleo32-f031 nucleo32-f042 \
                              nucleo32-l031 nucleo-f030 nucleo-f070 nucleo-f334 nucleo-l053 \
                              stm32f0discovery telosb wsn430-v1_3b wsn430-v1_4 \
diff --git a/tests/pthread/Makefile b/tests/pthread/Makefile
index c578999ab6cf05b30bdd6b8d8ab58866e1462f6b..dc9a30898ec2829cdf847c4665c795abb7b08d4a 100644
--- a/tests/pthread/Makefile
+++ b/tests/pthread/Makefile
@@ -1,9 +1,10 @@
 include ../Makefile.tests_common
 
 BOARD_BLACKLIST := arduino-mega2560 waspmote-pro arduino-uno arduino-duemilanove \
-                   jiminy-mega256rfr2
+                   jiminy-mega256rfr2 mega-xplained
 # arduino mega2560 uno duemilanove : unknown type name: clockid_t
 # jiminy-mega256rfr2: unknown type name: clockid_t
+# mega-xplained: unknown type name: clockid_t
 
 USEMODULE += posix
 USEMODULE += pthread
diff --git a/tests/pthread_barrier/Makefile b/tests/pthread_barrier/Makefile
index b5a1b60bbc18b83127040082f730e44319066d30..c72f66e712b6da6d3fe46002e76c8f6e1e812988 100644
--- a/tests/pthread_barrier/Makefile
+++ b/tests/pthread_barrier/Makefile
@@ -1,9 +1,10 @@
 include ../Makefile.tests_common
 
 BOARD_BLACKLIST := arduino-mega2560 waspmote-pro arduino-uno arduino-duemilanove \
-                   jiminy-mega256rfr2
+                   jiminy-mega256rfr2 mega-xplained
 # arduino mega2560 uno duemilanove : unknown type name: clockid_t
 # jiminy-mega256rfr2: unknown type name: clockid_t
+# mega-xplained: unknown type name: clockid_t
 
 # exclude boards with insufficient memory
 BOARD_INSUFFICIENT_MEMORY := nucleo32-f031
diff --git a/tests/pthread_cleanup/Makefile b/tests/pthread_cleanup/Makefile
index 5ccdedc5a3db4cda788607dabb8a5ea5d9851ce2..a3e3203b48124ff1d5f4a1fcd6221c53de2cff5c 100644
--- a/tests/pthread_cleanup/Makefile
+++ b/tests/pthread_cleanup/Makefile
@@ -1,9 +1,10 @@
 include ../Makefile.tests_common
 
 BOARD_BLACKLIST := arduino-mega2560 waspmote-pro arduino-uno arduino-duemilanove \
-                   jiminy-mega256rfr2
+                   jiminy-mega256rfr2 mega-xplained
 # arduino mega2560 uno duemilanove : unknown type name: clockid_t
 # jiminy-mega256rfr2: unknown type name: clockid_t
+# mega-xplained: unknown type name: clockid_t
 
 USEMODULE += pthread
 
diff --git a/tests/pthread_condition_variable/Makefile b/tests/pthread_condition_variable/Makefile
index f953f209611ff2464696cce3ba3d0d439e247ef7..88b2bde3aa9bc2d882b47ad3eb5cb35a6c17baf9 100644
--- a/tests/pthread_condition_variable/Makefile
+++ b/tests/pthread_condition_variable/Makefile
@@ -1,9 +1,10 @@
 include ../Makefile.tests_common
 
 BOARD_BLACKLIST := arduino-mega2560 waspmote-pro arduino-uno arduino-duemilanove \
-                   jiminy-mega256rfr2
+                   jiminy-mega256rfr2 mega-xplained
 # arduino mega2560 uno duemilanove : unknown type name: clockid_t
 # jiminy-mega256rfr2: unknown type name: clockid_t
+# mega-xplained: unknown type name: clockid_t
 
 BOARD_INSUFFICIENT_MEMORY := nucleo32-f031
 
diff --git a/tests/pthread_cooperation/Makefile b/tests/pthread_cooperation/Makefile
index ec335fd587a3d6dfe56927351f0e8ff22b9d2894..3a548c3d62014412ff880795a6b038c98e32d217 100644
--- a/tests/pthread_cooperation/Makefile
+++ b/tests/pthread_cooperation/Makefile
@@ -1,9 +1,10 @@
 include ../Makefile.tests_common
 
 BOARD_BLACKLIST := arduino-mega2560 waspmote-pro arduino-uno arduino-duemilanove \
-                   jiminy-mega256rfr2
+                   jiminy-mega256rfr2 mega-xplained
 # arduino mega2560 uno duemilanove : unknown type name: clockid_t
 # jiminy-mega256rfr2: unknown type name: clockid_t
+# mega-xplained: unknown type name: clockid_t
 
 BOARD_INSUFFICIENT_MEMORY := nucleo32-f031
 
diff --git a/tests/pthread_rwlock/Makefile b/tests/pthread_rwlock/Makefile
index 3557468ad83f9c7a4078098235b9ee1de4042770..9b65c331fc5a4b0fd44ab666a6c707527212e677 100644
--- a/tests/pthread_rwlock/Makefile
+++ b/tests/pthread_rwlock/Makefile
@@ -1,9 +1,10 @@
 include ../Makefile.tests_common
 
 BOARD_BLACKLIST := arduino-mega2560 waspmote-pro arduino-uno arduino-duemilanove \
-                   jiminy-mega256rfr2
+                   jiminy-mega256rfr2 mega-xplained
 # arduino mega2560 uno duemilanove : unknown type name: clockid_t
 # jiminy-mega256rfr2: unknown type name: clockid_t
+# mega-xplained: unknown type name: clockid_t
 
 USEMODULE += pthread
 USEMODULE += xtimer
diff --git a/tests/pthread_tls/Makefile b/tests/pthread_tls/Makefile
index c578999ab6cf05b30bdd6b8d8ab58866e1462f6b..dc9a30898ec2829cdf847c4665c795abb7b08d4a 100644
--- a/tests/pthread_tls/Makefile
+++ b/tests/pthread_tls/Makefile
@@ -1,9 +1,10 @@
 include ../Makefile.tests_common
 
 BOARD_BLACKLIST := arduino-mega2560 waspmote-pro arduino-uno arduino-duemilanove \
-                   jiminy-mega256rfr2
+                   jiminy-mega256rfr2 mega-xplained
 # arduino mega2560 uno duemilanove : unknown type name: clockid_t
 # jiminy-mega256rfr2: unknown type name: clockid_t
+# mega-xplained: unknown type name: clockid_t
 
 USEMODULE += posix
 USEMODULE += pthread
diff --git a/tests/ssp/Makefile b/tests/ssp/Makefile
index 9e1715010c6dedc62e4f8413ea3cf9f68bcaef36..c0534183dcdba14bd3c89fc087bb7e58475dc10d 100644
--- a/tests/ssp/Makefile
+++ b/tests/ssp/Makefile
@@ -3,7 +3,7 @@ include ../Makefile.tests_common
 # avr8, msp430 and mips don't support ssp (yet)
 BOARD_BLACKLIST := arduino-mega2560 waspmote-pro arduino-uno arduino-duemilanove \
                    chronos msb-430 msb-430h telosb wsn430-v1_3b wsn430-v1_4 z1 \
-                   pic32-clicker pic32-wifire jiminy-mega256rfr2
+                   pic32-clicker pic32-wifire jiminy-mega256rfr2 mega-xplained
 
 USEMODULE += ssp
 
diff --git a/tests/unittests/Makefile b/tests/unittests/Makefile
index fc55f5cba3ea723660280b7dc4355344f202ed92..ef8913dd58a1df740273993da06bb96a57331054 100644
--- a/tests/unittests/Makefile
+++ b/tests/unittests/Makefile
@@ -21,6 +21,7 @@ BOARD_INSUFFICIENT_MEMORY := airfy-beacon \
                              feather-m0 \
                              limifrog-v1 maple-mini \
                              mbed_lpc1768 \
+                             mega-xplained \
                              microbit \
                              msb-430 \
                              msb-430h \
diff --git a/tests/unittests/tests-relic/Makefile b/tests/unittests/tests-relic/Makefile
index 0ab3d302fc5a605c7bd7628252653f1d96ccce37..98293fb05a5d705fa4d60b826f9ba4121922f2aa 100644
--- a/tests/unittests/tests-relic/Makefile
+++ b/tests/unittests/tests-relic/Makefile
@@ -1,8 +1,8 @@
 MODULE = tests-relic
 
 # The following boards are known to fail or have not been tested.
-BOARD_BLACKLIST := arduino-mega2560 chronos f4vi1 msb-430 msb-430h msbiot \
-                   redbee-econotag stm32f0discovery \
+BOARD_BLACKLIST := arduino-mega2560 chronos f4vi1 mega-xplained msb-430 \
+                   msb-430h msbiot redbee-econotag stm32f0discovery \
                    stm32f3discovery telosb wsn430-v1_3b wsn430-v1_4 z1 \
                    waspmote-pro