diff --git a/nordic/.gitignore b/nordic/.gitignore
index c91a726bdb..4322adc823 100644
--- a/nordic/.gitignore
+++ b/nordic/.gitignore
@@ -4,6 +4,6 @@ nrf/
 nrfxlib/
 test/
 tools/
-trezor/**/build/
+trezor/**/build*/
 zephyr/
 .west/
diff --git a/tools/style.c.exclude b/tools/style.c.exclude
index f0c4964219..bd96c2696a 100644
--- a/tools/style.c.exclude
+++ b/tools/style.c.exclude
@@ -13,3 +13,4 @@
 ^\./core/embed/io/nfc/rfal
 ^\./nordic/trezor/radio_test
 ^\./nordic/trezor/direct_test_mode
+^\./nordic/trezor/.*build