diff --git a/tools/ci/check_copyright_ignore.txt b/tools/ci/check_copyright_ignore.txt
index 442214f24e..2513ac68d3 100644
--- a/tools/ci/check_copyright_ignore.txt
+++ b/tools/ci/check_copyright_ignore.txt
@@ -3190,23 +3190,6 @@ examples/protocols/openssl_client/main/openssl_client_example_main.c
 examples/protocols/openssl_server/example_test.py
 examples/protocols/openssl_server/main/openssl_server_example.h
 examples/protocols/openssl_server/main/openssl_server_example_main.c
-examples/protocols/pppos_client/components/modem/include/bg96.h
-examples/protocols/pppos_client/components/modem/include/esp_modem.h
-examples/protocols/pppos_client/components/modem/include/esp_modem_compat.h
-examples/protocols/pppos_client/components/modem/include/esp_modem_dce.h
-examples/protocols/pppos_client/components/modem/include/esp_modem_dce_service.h
-examples/protocols/pppos_client/components/modem/include/esp_modem_dte.h
-examples/protocols/pppos_client/components/modem/include/esp_modem_netif.h
-examples/protocols/pppos_client/components/modem/include/sim7600.h
-examples/protocols/pppos_client/components/modem/include/sim800.h
-examples/protocols/pppos_client/components/modem/src/bg96.c
-examples/protocols/pppos_client/components/modem/src/esp_modem_compat.c
-examples/protocols/pppos_client/components/modem/src/esp_modem_dce_service.c
-examples/protocols/pppos_client/components/modem/src/esp_modem_netif.c
-examples/protocols/pppos_client/components/modem/src/sim7600.c
-examples/protocols/pppos_client/components/modem/src/sim800.c
-examples/protocols/pppos_client/example_test.py
-examples/protocols/pppos_client/main/pppos_client_main.c
 examples/protocols/slip/slip_udp/components/slip_modem/include/slip_modem.h
 examples/protocols/slip/slip_udp/components/slip_modem/library/slip_modem.c
 examples/protocols/slip/slip_udp/main/slip_client_main.c
@@ -3556,10 +3539,6 @@ tools/test_apps/protocols/mqtt/publish_connect_test/main/publish_test.c
 tools/test_apps/protocols/openssl/app_test.py
 tools/test_apps/protocols/openssl/main/connect_test.c
 tools/test_apps/protocols/openssl/main/main.c
-tools/test_apps/protocols/pppos/app_test.py
-tools/test_apps/protocols/pppos/main/null_dce.c
-tools/test_apps/protocols/pppos/main/null_dce.h
-tools/test_apps/protocols/pppos/main/pppos_client_main.c
 tools/test_apps/security/secure_boot/example_test.py
 tools/test_apps/security/secure_boot/main/secure_boot_main.c
 tools/test_apps/security/secure_boot/main/secure_boot_main_esp32.c