diff --git a/examples/system/ota/advanced_https_ota/CMakeLists.txt b/examples/system/ota/advanced_https_ota/CMakeLists.txt
index 489b5babf0..7f8b1cb53f 100644
--- a/examples/system/ota/advanced_https_ota/CMakeLists.txt
+++ b/examples/system/ota/advanced_https_ota/CMakeLists.txt
@@ -6,6 +6,5 @@ cmake_minimum_required(VERSION 3.5)
 # This example uses an extra component for common functions such as Wi-Fi and Ethernet connection.
 set(EXTRA_COMPONENT_DIRS $ENV{IDF_PATH}/examples/common_components/protocol_examples_common)
 
-set(SUPPORTED_TARGETS esp32)
 include($ENV{IDF_PATH}/tools/cmake/project.cmake)
 project(advanced_https_ota)
diff --git a/examples/system/ota/native_ota_example/CMakeLists.txt b/examples/system/ota/native_ota_example/CMakeLists.txt
index e473e3af86..9cb3fe6e4e 100644
--- a/examples/system/ota/native_ota_example/CMakeLists.txt
+++ b/examples/system/ota/native_ota_example/CMakeLists.txt
@@ -6,6 +6,5 @@ cmake_minimum_required(VERSION 3.5)
 # This example uses an extra component for common functions such as Wi-Fi and Ethernet connection.
 set(EXTRA_COMPONENT_DIRS $ENV{IDF_PATH}/examples/common_components/protocol_examples_common)
 
-set(SUPPORTED_TARGETS esp32)
 include($ENV{IDF_PATH}/tools/cmake/project.cmake)
 project(native_ota)
diff --git a/examples/system/ota/simple_ota_example/CMakeLists.txt b/examples/system/ota/simple_ota_example/CMakeLists.txt
index 83cdc97625..2d8bd77c48 100644
--- a/examples/system/ota/simple_ota_example/CMakeLists.txt
+++ b/examples/system/ota/simple_ota_example/CMakeLists.txt
@@ -6,6 +6,5 @@ cmake_minimum_required(VERSION 3.5)
 # This example uses an extra component for common functions such as Wi-Fi and Ethernet connection.
 set(EXTRA_COMPONENT_DIRS $ENV{IDF_PATH}/examples/common_components/protocol_examples_common)
 
-set(SUPPORTED_TARGETS esp32)
 include($ENV{IDF_PATH}/tools/cmake/project.cmake)
 project(simple_ota)