diff --git a/.ci/arduino.groovy b/.ci/arduino.groovy
index 9e7eaf1..734a925 100644
--- a/.ci/arduino.groovy
+++ b/.ci/arduino.groovy
@@ -102,37 +102,6 @@ def buildMySensorsGw(config, sketches, String key) {
 	}
 }
 
-def buildArduinoNano(config, sketches, String key) {
-	def fqbn = '-fqbn arduino:avr:nano -prefs build.f_cpu=16000000 -prefs build.mcu=atmega328p'
-	config.pr.setBuildStatus(config, 'PENDING', 'Toll gate (Arduino Nano - '+key+')', 'Building...', '${BUILD_URL}flowGraphTable/')
-	try {
-		for (sketch = 0; sketch < sketches.size(); sketch++) {
-			if (sketches[sketch].path != config.library_root+'examples/GatewayESP8266/GatewayESP8266.ino' &&
-					sketches[sketch].path != config.library_root+'examples/GatewayESP8266MQTTClient/GatewayESP8266MQTTClient.ino' &&
-					sketches[sketch].path != config.library_root+'examples/GatewayESP8266OTA/GatewayESP8266OTA.ino' &&
-					sketches[sketch].path != config.library_root+'examples/SensebenderGatewaySerial/SensebenderGatewaySerial.ino') {
-				buildArduino(config, fqbn, sketches[sketch].path, key+'_ArduinoNano')
-			}
-		}
-	} catch (ex) {
-		echo "Build failed with: "+ ex.toString()
-		config.pr.setBuildStatus(config, 'FAILURE', 'Toll gate (Arduino Nano - '+key+')', 'Build error', '${BUILD_URL}')
-		throw ex
-	} finally {
-		parseWarnings(key+'_ArduinoNano')
-	}
-	if (currentBuild.currentResult == 'UNSTABLE') {
-		config.pr.setBuildStatus(config, 'ERROR', 'Toll gate (Arduino Nano - '+key+')', 'Warnings found', '${BUILD_URL}warnings2Result/new')
-		if (config.is_pull_request) {
-			error 'Termiated due to warnings found'
-		}
-	} else if (currentBuild.currentResult == 'FAILURE') {
-		config.pr.setBuildStatus(config, 'FAILURE', 'Toll gate (Arduino Nano - '+key+')', 'Build error', '${BUILD_URL}')
-	} else {
-		config.pr.setBuildStatus(config, 'SUCCESS', 'Toll gate (Arduino Nano - '+key+')', 'Pass', '')
-	}
-}
-
 def buildArduinoUno(config, sketches, String key) {
 	def fqbn = '-fqbn arduino:avr:uno -prefs build.f_cpu=16000000 -prefs build.mcu=atmega328p'
 	config.pr.setBuildStatus(config, 'PENDING', 'Toll gate (Arduino Uno - '+key+')', 'Building...', '${BUILD_URL}flowGraphTable/')
@@ -164,37 +133,6 @@ def buildArduinoUno(config, sketches, String key) {
 	}
 }
 
-def buildArduinoPro(config, sketches, String key) {
-	def fqbn = '-fqbn arduino:avr:pro -prefs build.f_cpu=8000000 -prefs build.mcu=atmega328p'
-			config.pr.setBuildStatus(config, 'PENDING', 'Toll gate (Arduino Pro/Mini - '+key+')', 'Building...', '${BUILD_URL}flowGraphTable/')
-	try {
-		for (sketch = 0; sketch < sketches.size(); sketch++) {
-			if (sketches[sketch].path != config.library_root+'examples/GatewayESP8266/GatewayESP8266.ino' &&
-					sketches[sketch].path != config.library_root+'examples/GatewayESP8266MQTTClient/GatewayESP8266MQTTClient.ino' &&
-					sketches[sketch].path != config.library_root+'examples/GatewayESP8266OTA/GatewayESP8266OTA.ino' &&
-					sketches[sketch].path != config.library_root+'examples/SensebenderGatewaySerial/SensebenderGatewaySerial.ino') {
-				buildArduino(config, fqbn, sketches[sketch].path, key+'_ArduinoPro')
-			}
-		}
-	} catch (ex) {
-		echo "Build failed with: "+ ex.toString()
-		config.pr.setBuildStatus(config, 'FAILURE', 'Toll gate (Arduino Pro/Mini - '+key+')', 'Build error', '${BUILD_URL}')
-		throw ex
-	} finally {
-		parseWarnings(key+'_ArduinoPro')
-	}
-	if (currentBuild.currentResult == 'UNSTABLE') {
-		config.pr.setBuildStatus(config, config, 'ERROR', 'Toll gate (Arduino Pro/Mini - '+key+')', 'Warnings found', '${BUILD_URL}warnings2Result/new')
-		if (config.is_pull_request) {
-			error 'Termiated due to warnings found'
-		}
-	} else if (currentBuild.currentResult == 'FAILURE') {
-		config.pr.setBuildStatus(config, 'FAILURE', 'Toll gate (Arduino Pro/Mini - '+key+')', 'Build error', '${BUILD_URL}')
-	} else {
-		config.pr.setBuildStatus(config, 'SUCCESS', 'Toll gate (Arduino Pro/Mini - '+key+')', 'Pass', '')
-	}
-}
-
 def buildArduinoMega(config, sketches, String key) {
 	def fqbn = '-fqbn arduino:avr:mega -prefs build.f_cpu=16000000 -prefs build.mcu=atmega2560'
 	config.pr.setBuildStatus(config, 'PENDING', 'Toll gate (Arduino Mega - '+key+')', 'Building...', '${BUILD_URL}flowGraphTable/')
diff --git a/.ci/pipeline.groovy b/.ci/pipeline.groovy
index f3c244b..edd04bd 100644
--- a/.ci/pipeline.groovy
+++ b/.ci/pipeline.groovy
@@ -109,15 +109,9 @@ def call(Closure body) {
 					stage('ESP8266 (tests)') {
 						arduino.buildEsp8266(config, config.tests, 'Tests')
 					}
-					stage('ArduinoNano (tests)') {
-						arduino.buildArduinoNano(config, config.tests, 'Tests')
-					}
 					stage('ArduinoUno (tests)') {
 						arduino.buildArduinoUno(config, config.tests, 'Tests')
 					}
-					stage('ArduinoProMini (tests)') {
-						arduino.buildArduinoPro(config, config.tests, 'Tests')
-					}
 					stage('ArduinoMega (tests)') {
 						arduino.buildArduinoMega(config, config.tests, 'Tests')
 					}
@@ -145,15 +139,9 @@ def call(Closure body) {
 					stage('ESP8266 (examples)') {
 						arduino.buildEsp8266(config, config.examples, 'Examples')
 					}
-					stage('ArduinoNano (examples)') {
-						arduino.buildArduinoNano(config, config.examples, 'Examples')
-					}
 					stage('ArduinoUno (examples)') {
 						arduino.buildArduinoUno(config, config.examples, 'Examples')
 					}
-					stage('ArduinoProMini (examples)') {
-						arduino.buildArduinoPro(config, config.examples, 'Examples')
-					}
 					stage('ArduinoMega (examples)') {
 						arduino.buildArduinoMega(config, config.examples, 'Examples')
 					}