diff --git a/tests/lwip/Makefile b/tests/lwip/Makefile
index b38903853eacac3ba706553d966681e2d9dd8c8c..93687c0024e01f1639d6103a375d601952caa11c 100644
--- a/tests/lwip/Makefile
+++ b/tests/lwip/Makefile
@@ -3,6 +3,7 @@ include ../Makefile.tests_common
 # lwIP's memory management doesn't seem to work on non 32-bit platforms at the
 # moment.
 BOARD_BLACKLIST := arduino-uno arduino-duemilanove arduino-mega2560 chronos \
+                   esp8266-esp-12x esp8266-olimex-mod esp8266-sparkfun-thing \
                    msb-430 msb-430h telosb waspmote-pro wsn430-v1_3b \
                    wsn430-v1_4 z1 jiminy-mega256rfr2 mega-xplained
 BOARD_INSUFFICIENT_MEMORY := airfy-beacon hifive1 nrf6310 nucleo-f031k6 nucleo-f042k6 \
diff --git a/tests/lwip_sock_ip/Makefile b/tests/lwip_sock_ip/Makefile
index 5cf1e1724a837397234b505f5bb8b1e8b3175fe2..6d7992075f61e5f28ecbfe05a32f162d306b9710 100644
--- a/tests/lwip_sock_ip/Makefile
+++ b/tests/lwip_sock_ip/Makefile
@@ -3,6 +3,7 @@ include ../Makefile.tests_common
 # lwIP's memory management doesn't seem to work on non 32-bit platforms at the
 # moment.
 BOARD_BLACKLIST := arduino-uno arduino-duemilanove arduino-mega2560 chronos \
+                   esp8266-esp-12x esp8266-olimex-mod esp8266-sparkfun-thing \
                    msb-430 msb-430h telosb waspmote-pro wsn430-v1_3b \
                    wsn430-v1_4 z1 jiminy-mega256rfr2 mega-xplained
 BOARD_INSUFFICIENT_MEMORY = nucleo-f031k6 nucleo-f042k6 nucleo-l031k6 nucleo-f030r8 \
diff --git a/tests/lwip_sock_tcp/Makefile b/tests/lwip_sock_tcp/Makefile
index 987674102fde9c2c6bf9581ce15b70235df0a030..cd6da99303edfcd8b5b3e65b647af7cca5085d44 100644
--- a/tests/lwip_sock_tcp/Makefile
+++ b/tests/lwip_sock_tcp/Makefile
@@ -3,6 +3,7 @@ include ../Makefile.tests_common
 # lwIP's memory management doesn't seem to work on non 32-bit platforms at the
 # moment.
 BOARD_BLACKLIST := arduino-uno arduino-duemilanove arduino-mega2560 chronos \
+                   esp8266-esp-12x esp8266-olimex-mod esp8266-sparkfun-thing \
                    msb-430 msb-430h telosb waspmote-pro wsn430-v1_3b \
                    wsn430-v1_4 z1 jiminy-mega256rfr2 mega-xplained
 BOARD_INSUFFICIENT_MEMORY = blackpill bluepill nucleo-f031k6 nucleo-f042k6 \
diff --git a/tests/lwip_sock_udp/Makefile b/tests/lwip_sock_udp/Makefile
index db8c2bcb5ac3034e96f457d4d2f007c50fa8699c..4c1c4f13243e99e9b58bdf71b71a0d0853bbf5b8 100644
--- a/tests/lwip_sock_udp/Makefile
+++ b/tests/lwip_sock_udp/Makefile
@@ -3,6 +3,7 @@ include ../Makefile.tests_common
 # lwIP's memory management doesn't seem to work on non 32-bit platforms at the
 # moment.
 BOARD_BLACKLIST := arduino-uno arduino-duemilanove arduino-mega2560 chronos \
+                   esp8266-esp-12x esp8266-olimex-mod esp8266-sparkfun-thing \
                    msb-430 msb-430h telosb waspmote-pro wsn430-v1_3b \
                    wsn430-v1_4 z1 jiminy-mega256rfr2 mega-xplained
 BOARD_INSUFFICIENT_MEMORY = nucleo-f031k6 nucleo-f042k6 nucleo-l031k6 nucleo-f030r8 \