diff --git a/typo3/sysext/install/Classes/Updates/RteFileLinksUpdateWizard.php b/typo3/sysext/install/Classes/Updates/RteFileLinksUpdateWizard.php
index f543c8522702693c20f0483b77e2f30a38c6181b..c8adfc4f2ea5753374f3205241590b0c5a7a12d1 100644
--- a/typo3/sysext/install/Classes/Updates/RteFileLinksUpdateWizard.php
+++ b/typo3/sysext/install/Classes/Updates/RteFileLinksUpdateWizard.php
@@ -149,24 +149,15 @@ class RteFileLinksUpdateWizard extends AbstractUpdate {
 		$dbQueries = $this->queries;
 
 		if (count($this->errors) > 0) {
-			foreach ($this->errors as $errorMessage) {
-				$message = GeneralUtility::makeInstance(
-					'TYPO3\\CMS\\Core\\Messaging\\FlashMessage',
-					$errorMessage,
-					'',
-					\TYPO3\CMS\Core\Messaging\FlashMessage::WARNING
-				);
-				/** @var \TYPO3\CMS\Core\Messaging\FlashMessage $message */
-				$customMessages .= '<br />' . $message->render();
-			}
+			$customMessages .= implode(PHP_EOL, $this->errors);
 			if ($this->convertedLinkCounter == 0) {
-					// no links converted only missing files: UPDATE was not successful
+				// no links converted only missing files: UPDATE was not successful
 				return FALSE;
 			}
 		}
 
 		if ($this->convertedLinkCounter > 0) {
-			$customMessages = $this->convertedLinkCounter . ' links converted.<br />' . $customMessages;
+			$customMessages = $this->convertedLinkCounter . ' links converted.' . PHP_EOL . $customMessages;
 		} else {
 			$customMessages .= 'No file links found';
 		}
diff --git a/typo3/sysext/install/Classes/Updates/RteMagicImagesUpdateWizard.php b/typo3/sysext/install/Classes/Updates/RteMagicImagesUpdateWizard.php
index 7281652f4dc9f212237629420c1e797dcb6d5cfd..1fd46b569d42ad8329891c2b976e905d44b91f53 100644
--- a/typo3/sysext/install/Classes/Updates/RteMagicImagesUpdateWizard.php
+++ b/typo3/sysext/install/Classes/Updates/RteMagicImagesUpdateWizard.php
@@ -158,12 +158,8 @@ class RteMagicImagesUpdateWizard extends AbstractUpdate {
 					$this->logger->notice('File ' . $sourceFileName . ' does not exist. Reference was not migrated.', array());
 
 					$format = 'File \'%s\' does not exist. Referencing field: %s.%d.%s. The reference was not migrated.';
-					$message = \TYPO3\CMS\Core\Utility\GeneralUtility::makeInstance('\TYPO3\CMS\Core\Messaging\FlashMessage',
-						sprintf($format, $sourceFileName, $refRecord['tablename'], $refRecord['recuid'], $refRecord['field']),
-						'', \TYPO3\CMS\Core\Messaging\FlashMessage::WARNING
-					);
-					/** @var \TYPO3\CMS\Core\Messaging\FlashMessage $message */
-					$customMessages .= '<br />' . $message->render();
+					$message = sprintf($format, $sourceFileName, $refRecord['tablename'], $refRecord['recuid'], $refRecord['field']);
+					$customMessages .= PHP_EOL . $message;
 
 					continue;
 				}
diff --git a/typo3/sysext/install/Classes/Updates/TceformsUpdateWizard.php b/typo3/sysext/install/Classes/Updates/TceformsUpdateWizard.php
index e9551e6119cf3f98f9646ff750ecc4d74b9c7522..9550310a615756be15e962554463c61163823ef0 100644
--- a/typo3/sysext/install/Classes/Updates/TceformsUpdateWizard.php
+++ b/typo3/sysext/install/Classes/Updates/TceformsUpdateWizard.php
@@ -332,12 +332,8 @@ class TceformsUpdateWizard extends AbstractUpdate {
 					);
 
 					$format = 'File \'%s\' does not exist. Referencing field: %s.%d.%s. The reference was not migrated.';
-					$message = GeneralUtility::makeInstance('\TYPO3\CMS\Core\Messaging\FlashMessage',
-						sprintf($format, $fieldConfiguration['sourcePath'] . $item, $table, $row['uid'], $fieldname),
-						'', \TYPO3\CMS\Core\Messaging\FlashMessage::WARNING
-					);
-					/** @var \TYPO3\CMS\Core\Messaging\FlashMessage $message */
-					$customMessages .= '<br />' . $message->render();
+					$message = sprintf($format, $fieldConfiguration['sourcePath'] . $item, $table, $row['uid'], $fieldname);
+					$customMessages .= PHP_EOL . $message;
 
 					continue;
 				}