diff --git a/core/command/config/system/deleteconfig.php b/core/command/config/system/deleteconfig.php
index e64ff32ac7..374f5ac69b 100644
--- a/core/command/config/system/deleteconfig.php
+++ b/core/command/config/system/deleteconfig.php
@@ -48,8 +48,8 @@ class DeleteConfig extends Base {
 			->setDescription('Delete a system config value')
 			->addArgument(
 				'name',
-				InputArgument::REQUIRED,
-				'Name of the config to delete'
+				InputArgument::REQUIRED | InputArgument::IS_ARRAY,
+				'Name of the config to delete, specify multiple for array parameter'
 			)
 			->addOption(
 				'error-if-not-exists',
@@ -61,15 +61,57 @@ class DeleteConfig extends Base {
 	}
 
 	protected function execute(InputInterface $input, OutputInterface $output) {
-		$configName = $input->getArgument('name');
+		$configNames = $input->getArgument('name');
+		$configName = $configNames[0];
 
-		if ($input->hasParameterOption('--error-if-not-exists') && !in_array($configName, $this->systemConfig->getKeys())) {
-			$output->writeln('<error>System config ' . $configName . ' could not be deleted because it did not exist</error>');
-			return 1;
+		if (sizeof($configNames) > 1) {
+			if ($input->hasParameterOption('--error-if-not-exists') && !in_array($configName, $this->systemConfig->getKeys())) {
+				$output->writeln('<error>System config ' . implode(' => ', $configNames) . ' could not be deleted because it did not exist</error>');
+				return 1;
+			}
+
+			$value = $this->systemConfig->getValue($configName);
+
+			try {
+				$value = $this->removeSubValue(array_slice($configNames, 1), $value, $input->hasParameterOption('--error-if-not-exists'));
+			}
+			catch (\UnexpectedValueException $e) {
+				$output->writeln('<error>System config ' . implode(' => ', $configNames) . ' could not be deleted because it did not exist</error>');
+				return 1;
+			}
+
+			$this->systemConfig->setValue($configName, $value);
+			$output->writeln('<info>System config value ' . implode(' => ', $configNames) . ' deleted</info>');
+			return 0;
+		} else {
+			if ($input->hasParameterOption('--error-if-not-exists') && !in_array($configName, $this->systemConfig->getKeys())) {
+				$output->writeln('<error>System config ' . $configName . ' could not be deleted because it did not exist</error>');
+				return 1;
+			}
+
+			$this->systemConfig->deleteValue($configName);
+			$output->writeln('<info>System config value ' . $configName . ' deleted</info>');
+			return 0;
+		}
+	}
+
+	protected function removeSubValue($keys, $currentValue, $throwError) {
+		$nextKey = array_shift($keys);
+
+		if (is_array($currentValue)) {
+			if (isset($currentValue[$nextKey])) {
+				if (empty($keys)) {
+					unset($currentValue[$nextKey]);
+				} else {
+					$currentValue[$nextKey] = $this->removeSubValue($keys, $currentValue[$nextKey], $throwError);
+				}
+			} else if ($throwError) {
+				throw new \UnexpectedValueException('Config parameter does not exist');
+			}
+		} else if ($throwError) {
+			throw new \UnexpectedValueException('Config parameter does not exist');
 		}
 
-		$this->systemConfig->deleteValue($configName);
-		$output->writeln('<info>System config value ' . $configName . ' deleted</info>');
-		return 0;
+		return $currentValue;
 	}
 }
diff --git a/core/command/config/system/setconfig.php b/core/command/config/system/setconfig.php
index f05b8d6ead..45ba01e928 100644
--- a/core/command/config/system/setconfig.php
+++ b/core/command/config/system/setconfig.php
@@ -79,7 +79,7 @@ class SetConfig extends Base {
 		$configValue = $this->castValue($input->getOption('value'), $input->getOption('type'));
 		$updateOnly = $input->getOption('update-only');
 
-		if (count($configNames) > 1) {
+		if (sizeof($configNames) > 1) {
 			$existingValue = $this->systemConfig->getValue($configName);
 
 			$newValue = $this->mergeArrayValue(
diff --git a/tests/core/command/config/system/deleteconfigtest.php b/tests/core/command/config/system/deleteconfigtest.php
index aa1f93274c..11bfb6ae7a 100644
--- a/tests/core/command/config/system/deleteconfigtest.php
+++ b/tests/core/command/config/system/deleteconfigtest.php
@@ -50,32 +50,31 @@ class DeleteConfigTest extends TestCase {
 		$this->command = new DeleteConfig($systemConfig);
 	}
 
-
 	public function deleteData() {
 		return [
 			[
-				'name',
+				'name1',
 				true,
 				true,
 				0,
 				'info',
 			],
 			[
-				'name',
+				'name2',
 				true,
 				false,
 				0,
 				'info',
 			],
 			[
-				'name',
+				'name3',
 				false,
 				false,
 				0,
 				'info',
 			],
 			[
-				'name',
+				'name4',
 				false,
 				true,
 				1,
@@ -105,7 +104,7 @@ class DeleteConfigTest extends TestCase {
 		$this->consoleInput->expects($this->once())
 			->method('getArgument')
 			->with('name')
-			->willReturn($configName);
+			->willReturn([$configName]);
 		$this->consoleInput->expects($this->any())
 			->method('hasParameterOption')
 			->with('--error-if-not-exists')
@@ -117,4 +116,103 @@ class DeleteConfigTest extends TestCase {
 
 		$this->assertSame($expectedReturn, $this->invokePrivate($this->command, 'execute', [$this->consoleInput, $this->consoleOutput]));
 	}
+
+	public function deleteArrayData() {
+		return [
+			[
+				['name', 'sub'],
+				true,
+				false,
+				true,
+				true,
+				0,
+				'info',
+			],
+			[
+				['name', 'sub', '2sub'],
+				true,
+				false,
+				['sub' => ['2sub' => 1], 'sub2' => false],
+				['sub' => [], 'sub2' => false],
+				0,
+				'info',
+			],
+			[
+				['name', 'sub3'],
+				true,
+				false,
+				['sub' => ['2sub' => 1], 'sub2' => false],
+				['sub' => ['2sub' => 1], 'sub2' => false],
+				0,
+				'info',
+			],
+			[
+				['name', 'sub'],
+				false,
+				true,
+				true,
+				true,
+				1,
+				'error',
+			],
+			[
+				['name', 'sub'],
+				true,
+				true,
+				true,
+				true,
+				1,
+				'error',
+			],
+			[
+				['name', 'sub3'],
+				true,
+				true,
+				['sub' => ['2sub' => 1], 'sub2' => false],
+				['sub' => ['2sub' => 1], 'sub2' => false],
+				1,
+				'error',
+			],
+		];
+	}
+
+	/**
+	 * @dataProvider deleteArrayData
+	 *
+	 * @param string[] $configNames
+	 * @param bool $configKeyExists
+	 * @param bool $checkIfKeyExists
+	 * @param mixed $configValue
+	 * @param mixed $updateValue
+	 * @param int $expectedReturn
+	 * @param string $expectedMessage
+	 */
+	public function testArrayDelete(array $configNames, $configKeyExists, $checkIfKeyExists, $configValue, $updateValue, $expectedReturn, $expectedMessage) {
+		$this->systemConfig->expects(($checkIfKeyExists) ? $this->once() : $this->never())
+			->method('getKeys')
+			->willReturn($configKeyExists ? [$configNames[0]] : []);
+
+		$this->systemConfig->expects(($configKeyExists) ? $this->once() : $this->never())
+			->method('getValue')
+			->willReturn($configValue);
+
+		$this->systemConfig->expects(($expectedReturn === 0) ? $this->once() : $this->never())
+			->method('setValue')
+			->with($configNames[0], $updateValue);
+
+		$this->consoleInput->expects($this->once())
+			->method('getArgument')
+			->with('name')
+			->willReturn($configNames);
+		$this->consoleInput->expects($this->any())
+			->method('hasParameterOption')
+			->with('--error-if-not-exists')
+			->willReturn($checkIfKeyExists);
+
+		$this->consoleOutput->expects($this->any())
+			->method('writeln')
+			->with($this->stringContains($expectedMessage));
+
+		$this->assertSame($expectedReturn, $this->invokePrivate($this->command, 'execute', [$this->consoleInput, $this->consoleOutput]));
+	}
 }