diff --git a/ci/platformio.sh b/ci/platformio.sh
index 11d70c01..f9c09571 100755
--- a/ci/platformio.sh
+++ b/ci/platformio.sh
@@ -54,14 +54,17 @@ then
     PLATFORMIO_BUILD_FLAGS='-D CFG_in866   -D CFG_sx1276_radio -D COMPILE_REGRESSION_TEST -D ARDUINO_LMIC_PROJECT_CONFIG_H_SUPPRESS' platformio ci --lib . --board heltec_wifi_lora_32 'examples/ttn-abp/ttn-abp.ino'
 
     # Compile "ttn-otaa-network-time" example in all regions
-    PLATFORMIO_BUILD_FLAGS='-D CFG_us915   -D CFG_sx1276_radio -D LMIC_ENABLE_DeviceTimeReq=1 -D COMPILE_REGRESSION_TEST -D ARDUINO_LMIC_PROJECT_CONFIG_H_SUPPRESS' platformio ci --project-option="lib_deps=Time" --lib . --board heltec_wifi_lora_32 'examples/ttn-otaa-network-time/ttn-otaa-network-time.ino'
-    PLATFORMIO_BUILD_FLAGS='-D CFG_eu868   -D CFG_sx1276_radio -D LMIC_ENABLE_DeviceTimeReq=1 -D COMPILE_REGRESSION_TEST -D ARDUINO_LMIC_PROJECT_CONFIG_H_SUPPRESS' platformio ci --project-option="lib_deps=Time" --lib . --board heltec_wifi_lora_32 'examples/ttn-otaa-network-time/ttn-otaa-network-time.ino'
-    PLATFORMIO_BUILD_FLAGS='-D CFG_au915   -D CFG_sx1276_radio -D LMIC_ENABLE_DeviceTimeReq=1 -D COMPILE_REGRESSION_TEST -D ARDUINO_LMIC_PROJECT_CONFIG_H_SUPPRESS' platformio ci --project-option="lib_deps=Time" --lib . --board heltec_wifi_lora_32 'examples/ttn-otaa-network-time/ttn-otaa-network-time.ino'
-    PLATFORMIO_BUILD_FLAGS='-D CFG_as923   -D CFG_sx1276_radio -D LMIC_ENABLE_DeviceTimeReq=1 -D COMPILE_REGRESSION_TEST -D ARDUINO_LMIC_PROJECT_CONFIG_H_SUPPRESS' platformio ci --project-option="lib_deps=Time" --lib . --board heltec_wifi_lora_32 'examples/ttn-otaa-network-time/ttn-otaa-network-time.ino'
-    PLATFORMIO_BUILD_FLAGS='-D CFG_as923jp -D CFG_sx1276_radio -D LMIC_ENABLE_DeviceTimeReq=1 -D COMPILE_REGRESSION_TEST -D ARDUINO_LMIC_PROJECT_CONFIG_H_SUPPRESS' platformio ci --project-option="lib_deps=Time" --lib . --board heltec_wifi_lora_32 'examples/ttn-otaa-network-time/ttn-otaa-network-time.ino'
-    PLATFORMIO_BUILD_FLAGS='-D CFG_kr920   -D CFG_sx1276_radio -D LMIC_ENABLE_DeviceTimeReq=1 -D COMPILE_REGRESSION_TEST -D ARDUINO_LMIC_PROJECT_CONFIG_H_SUPPRESS' platformio ci --project-option="lib_deps=Time" --lib . --board heltec_wifi_lora_32 'examples/ttn-otaa-network-time/ttn-otaa-network-time.ino'
-    PLATFORMIO_BUILD_FLAGS='-D CFG_in866   -D CFG_sx1276_radio -D LMIC_ENABLE_DeviceTimeReq=1 -D COMPILE_REGRESSION_TEST -D ARDUINO_LMIC_PROJECT_CONFIG_H_SUPPRESS' platformio ci --project-option="lib_deps=Time" --lib . --board heltec_wifi_lora_32 'examples/ttn-otaa-network-time/ttn-otaa-network-time.ino'
-
+    PLATFORMIO_BUILD_FLAGS='-D CFG_us915   -D CFG_sx1276_radio -D COMPILE_REGRESSION_TEST -D ARDUINO_LMIC_PROJECT_CONFIG_H_SUPPRESS' platformio ci --project-option="lib_deps=Time" --lib . --board heltec_wifi_lora_32 'examples/ttn-otaa-network-time/ttn-otaa-network-time.ino'
+    PLATFORMIO_BUILD_FLAGS='-D CFG_eu868   -D CFG_sx1276_radio -D COMPILE_REGRESSION_TEST -D ARDUINO_LMIC_PROJECT_CONFIG_H_SUPPRESS' platformio ci --project-option="lib_deps=Time" --lib . --board heltec_wifi_lora_32 'examples/ttn-otaa-network-time/ttn-otaa-network-time.ino'
+    PLATFORMIO_BUILD_FLAGS='-D CFG_au915   -D CFG_sx1276_radio -D COMPILE_REGRESSION_TEST -D ARDUINO_LMIC_PROJECT_CONFIG_H_SUPPRESS' platformio ci --project-option="lib_deps=Time" --lib . --board heltec_wifi_lora_32 'examples/ttn-otaa-network-time/ttn-otaa-network-time.ino'
+    PLATFORMIO_BUILD_FLAGS='-D CFG_as923   -D CFG_sx1276_radio -D COMPILE_REGRESSION_TEST -D ARDUINO_LMIC_PROJECT_CONFIG_H_SUPPRESS' platformio ci --project-option="lib_deps=Time" --lib . --board heltec_wifi_lora_32 'examples/ttn-otaa-network-time/ttn-otaa-network-time.ino'
+    PLATFORMIO_BUILD_FLAGS='-D CFG_as923jp -D CFG_sx1276_radio -D COMPILE_REGRESSION_TEST -D ARDUINO_LMIC_PROJECT_CONFIG_H_SUPPRESS' platformio ci --project-option="lib_deps=Time" --lib . --board heltec_wifi_lora_32 'examples/ttn-otaa-network-time/ttn-otaa-network-time.ino'
+    PLATFORMIO_BUILD_FLAGS='-D CFG_kr920   -D CFG_sx1276_radio -D COMPILE_REGRESSION_TEST -D ARDUINO_LMIC_PROJECT_CONFIG_H_SUPPRESS' platformio ci --project-option="lib_deps=Time" --lib . --board heltec_wifi_lora_32 'examples/ttn-otaa-network-time/ttn-otaa-network-time.ino'
+    PLATFORMIO_BUILD_FLAGS='-D CFG_in866   -D CFG_sx1276_radio -D COMPILE_REGRESSION_TEST -D ARDUINO_LMIC_PROJECT_CONFIG_H_SUPPRESS' platformio ci --project-option="lib_deps=Time" --lib . --board heltec_wifi_lora_32 'examples/ttn-otaa-network-time/ttn-otaa-network-time.ino'
+
+    # Compile "ttn-otaa" example in US and EU with Device-time request disabled
+    PLATFORMIO_BUILD_FLAGS='-D CFG_us915   -D CFG_sx1276_radio -D LMIC_ENABLE_DeviceTimeReq=0 -D COMPILE_REGRESSION_TEST -D ARDUINO_LMIC_PROJECT_CONFIG_H_SUPPRESS' platformio ci --lib . --board heltec_wifi_lora_32 'examples/ttn-otaa/ttn-otaa.ino'
+    PLATFORMIO_BUILD_FLAGS='-D CFG_eu868   -D CFG_sx1276_radio -D LMIC_ENABLE_DeviceTimeReq=0 -D COMPILE_REGRESSION_TEST -D ARDUINO_LMIC_PROJECT_CONFIG_H_SUPPRESS' platformio ci --lib . --board heltec_wifi_lora_32 'examples/ttn-otaa/ttn-otaa.ino'
 
     # Compile "ttn-otaa" example in US with debugging to Serial interface
     PLATFORMIO_BUILD_FLAGS='-D COMPILE_REGRESSION_TEST -D LMIC_DEBUG_LEVEL=2 -D LMIC_PRINTF_TO=Serial' platformio ci --lib . --board heltec_wifi_lora_32 'examples/ttn-otaa/ttn-otaa.ino'