diff --git a/tests/drivers/sensor/adltc2990/prj.conf b/tests/drivers/sensor/adltc2990/prj.conf
index a77a941df29..5a97fffa465 100644
--- a/tests/drivers/sensor/adltc2990/prj.conf
+++ b/tests/drivers/sensor/adltc2990/prj.conf
@@ -2,7 +2,6 @@
 # SPDX-License-Identifier: Apache-2.0
 
 CONFIG_ZTEST=y
-CONFIG_ZTEST_NEW_API=y
 
 # Set log levels
 CONFIG_I2C_LOG_LEVEL_WRN=y
diff --git a/tests/kconfig/configdefault/prj.conf b/tests/kconfig/configdefault/prj.conf
index 9228251051e..9467c292689 100644
--- a/tests/kconfig/configdefault/prj.conf
+++ b/tests/kconfig/configdefault/prj.conf
@@ -1,2 +1 @@
 CONFIG_ZTEST=y
-CONFIG_ZTEST_NEW_API=y