diff --git a/apps/files_external/lib/Lib/Storage/AmazonS3.php b/apps/files_external/lib/Lib/Storage/AmazonS3.php
index 553e531633..483f1610bc 100644
--- a/apps/files_external/lib/Lib/Storage/AmazonS3.php
+++ b/apps/files_external/lib/Lib/Storage/AmazonS3.php
@@ -410,7 +410,7 @@ class AmazonS3 extends \OC\Files\Storage\Common {
 				}
 			case 'w':
 			case 'wb':
-				$tmpFile = \OCP\Files::tmpFile();
+				$tmpFile = \OC::$server->getTempManager()->getTemporaryFile();
 
 				$handle = fopen($tmpFile, 'w');
 				return CallbackWrapper::wrap($handle, null, null, function () use ($path, $tmpFile) {
@@ -431,7 +431,7 @@ class AmazonS3 extends \OC\Files\Storage\Common {
 				} else {
 					$ext = '';
 				}
-				$tmpFile = \OCP\Files::tmpFile($ext);
+				$tmpFile = \OC::$server->getTempManager()->getTemporaryFile($ext);
 				if ($this->file_exists($path)) {
 					$source = $this->readObject($path);
 					file_put_contents($tmpFile, $source);
diff --git a/apps/files_external/lib/Lib/Storage/FTP.php b/apps/files_external/lib/Lib/Storage/FTP.php
index 17afb1fcf9..dc4ab9cb0e 100644
--- a/apps/files_external/lib/Lib/Storage/FTP.php
+++ b/apps/files_external/lib/Lib/Storage/FTP.php
@@ -128,7 +128,7 @@ class FTP extends StreamWrapper{
 				} else {
 					$ext='';
 				}
-				$tmpFile=\OCP\Files::tmpFile($ext);
+				$tmpFile = \OC::$server->getTempManager()->getTemporaryFile();
 				if ($this->file_exists($path)) {
 					$this->getFile($path, $tmpFile);
 				}
diff --git a/apps/files_external/lib/Lib/Storage/SMB.php b/apps/files_external/lib/Lib/Storage/SMB.php
index f8fd37a4d4..12ab6b0fed 100644
--- a/apps/files_external/lib/Lib/Storage/SMB.php
+++ b/apps/files_external/lib/Lib/Storage/SMB.php
@@ -353,7 +353,7 @@ class SMB extends Common implements INotifyStorage {
 						if (!$this->isCreatable(dirname($path))) {
 							return false;
 						}
-						$tmpFile = \OCP\Files::tmpFile($ext);
+						$tmpFile = \OC::$server->getTempManager()->getTemporaryFile($ext);
 					}
 					$source = fopen($tmpFile, $mode);
 					$share = $this->share;
diff --git a/apps/files_external/lib/Lib/Storage/Swift.php b/apps/files_external/lib/Lib/Storage/Swift.php
index f72aa076d2..4fcd60a797 100644
--- a/apps/files_external/lib/Lib/Storage/Swift.php
+++ b/apps/files_external/lib/Lib/Storage/Swift.php
@@ -428,7 +428,7 @@ class Swift extends \OC\Files\Storage\Common {
 				} else {
 					$ext = '';
 				}
-				$tmpFile = \OCP\Files::tmpFile($ext);
+				$tmpFile = \OC::$server->getTempManager()->getTemporaryFile($ext);
 				// Fetch existing file if required
 				if ($mode[0] !== 'w' && $this->file_exists($path)) {
 					if ($mode[0] === 'x') {
diff --git a/lib/private/Archive/TAR.php b/lib/private/Archive/TAR.php
index f37da6fc52..c939667339 100644
--- a/lib/private/Archive/TAR.php
+++ b/lib/private/Archive/TAR.php
@@ -346,7 +346,7 @@ class TAR extends Archive {
 		} else {
 			$ext = '';
 		}
-		$tmpFile = \OCP\Files::tmpFile($ext);
+		$tmpFile = \OC::$server->getTempManager()->getTemporaryFile($ext);
 		if ($this->fileExists($path)) {
 			$this->extractFile($path, $tmpFile);
 		} elseif ($mode == 'r' or $mode == 'rb') {
diff --git a/lib/private/Archive/ZIP.php b/lib/private/Archive/ZIP.php
index fb3e2fdde9..fb727aba22 100644
--- a/lib/private/Archive/ZIP.php
+++ b/lib/private/Archive/ZIP.php
@@ -198,7 +198,7 @@ class ZIP extends Archive{
 			}else{
 				$ext='';
 			}
-			$tmpFile=\OCP\Files::tmpFile($ext);
+			$tmpFile = \OC::$server->getTempManager()->getTemporaryFile($ext);
 			if($this->fileExists($path)) {
 				$this->extractFile($path, $tmpFile);
 			}
diff --git a/lib/private/Files/Storage/Flysystem.php b/lib/private/Files/Storage/Flysystem.php
index 423a6f0d83..232222db35 100644
--- a/lib/private/Files/Storage/Flysystem.php
+++ b/lib/private/Files/Storage/Flysystem.php
@@ -206,7 +206,7 @@ abstract class Flysystem extends Common {
 					if (!$this->isCreatable(dirname($path))) {
 						return false;
 					}
-					$tmpFile = \OCP\Files::tmpFile();
+					$tmpFile = \OC::$server->getTempManager()->getTemporaryFile();
 				}
 				$source = fopen($tmpFile, $mode);
 				return CallbackWrapper::wrap($source, null, null, function () use ($tmpFile, $fullPath) {
diff --git a/lib/public/Files.php b/lib/public/Files.php
index d66e0f1b64..e596997a47 100644
--- a/lib/public/Files.php
+++ b/lib/public/Files.php
@@ -88,19 +88,6 @@ class Files {
 		return $count;
 	}
 
-	/**
-	 * Create a temporary file with an unique filename
-	 * @param string $postfix
-	 * @return string
-	 *
-	 * temporary files are automatically cleaned up after the script is finished
-	 * @deprecated 8.1.0 use getTemporaryFile() of \OCP\ITempManager - \OC::$server->getTempManager()
-	 * @since 5.0.0
-	 */
-	public static function tmpFile( $postfix='' ) {
-		return \OC::$server->getTempManager()->getTemporaryFile($postfix);
-	}
-
 	/**
 	 * Create a temporary folder with an unique filename
 	 * @return string
diff --git a/tests/lib/Archive/TARTest.php b/tests/lib/Archive/TARTest.php
index 7575f6c517..77df1c32ca 100644
--- a/tests/lib/Archive/TARTest.php
+++ b/tests/lib/Archive/TARTest.php
@@ -18,6 +18,6 @@ class TARTest extends TestBase {
 	}
 
 	protected function getNew() {
-		return new TAR(\OCP\Files::tmpFile('.tar.gz'));
+		return new TAR(\OC::$server->getTempManager()->getTemporaryFile('.tar.gz'));
 	}
 }
diff --git a/tests/lib/Archive/TestBase.php b/tests/lib/Archive/TestBase.php
index 5bf4d9d43e..80750a1694 100644
--- a/tests/lib/Archive/TestBase.php
+++ b/tests/lib/Archive/TestBase.php
@@ -58,7 +58,7 @@ abstract class TestBase extends \Test\TestCase {
 		$textFile=$dir.'/lorem.txt';
 		$this->assertEquals(file_get_contents($textFile), $this->instance->getFile('lorem.txt'));
 
-		$tmpFile=\OCP\Files::tmpFile('.txt');
+		$tmpFile = \OC::$server->getTempManager()->getTemporaryFile('.txt');
 		$this->instance->extractFile('lorem.txt', $tmpFile);
 		$this->assertEquals(file_get_contents($textFile), file_get_contents($tmpFile));
 	}
diff --git a/tests/lib/Archive/ZIPTest.php b/tests/lib/Archive/ZIPTest.php
index ff0155f3d0..573339e5a1 100644
--- a/tests/lib/Archive/ZIPTest.php
+++ b/tests/lib/Archive/ZIPTest.php
@@ -18,6 +18,6 @@ class ZIPTest extends TestBase {
 	}
 
 	protected function getNew() {
-		return new ZIP(\OCP\Files::tmpFile('.zip'));
+		return new ZIP(\OC::$server->getTempManager()->getTemporaryFile('.zip'));
 	}
 }