diff --git a/examples/protocols/modbus/serial/mb_slave/CMakeLists.txt b/examples/protocols/modbus/serial/mb_slave/CMakeLists.txt
index 8e0af74726..1427402626 100644
--- a/examples/protocols/modbus/serial/mb_slave/CMakeLists.txt
+++ b/examples/protocols/modbus/serial/mb_slave/CMakeLists.txt
@@ -5,7 +5,5 @@ set(SUPPORTED_TARGETS esp32)
 
 set(EXTRA_COMPONENT_DIRS $ENV{IDF_PATH}/examples/protocols/modbus/serial/common_components)
 
-set(SUPPORTED_TARGETS esp32)
-
 include($ENV{IDF_PATH}/tools/cmake/project.cmake)
 project(modbus_slave)