diff --git a/src/main/java/module-info.java b/src/main/java/module-info.java
index 095a65b..0ebecda 100644
--- a/src/main/java/module-info.java
+++ b/src/main/java/module-info.java
@@ -4,7 +4,6 @@
 import org.cryptomator.integrations.revealpath.RevealPathService;
 import org.cryptomator.integrations.uiappearance.UiAppearanceProvider;
 import org.cryptomator.windows.autostart.WindowsAutoStart;
-import org.cryptomator.windows.capi.common.Windows_h;
 import org.cryptomator.windows.keychain.WindowsHelloKeychainAccess;
 import org.cryptomator.windows.keychain.WindowsProtectedKeychainAccess;
 import org.cryptomator.windows.quickaccess.ExplorerQuickAccessService;
diff --git a/src/main/java/org/cryptomator/windows/keychain/FileKeychain.java b/src/main/java/org/cryptomator/windows/keychain/FileKeychain.java
index 64a5f26..b27d7b0 100644
--- a/src/main/java/org/cryptomator/windows/keychain/FileKeychain.java
+++ b/src/main/java/org/cryptomator/windows/keychain/FileKeychain.java
@@ -26,7 +26,6 @@
 import java.util.Objects;
 import java.util.Optional;
 import java.util.function.Predicate;
-import java.util.stream.Collectors;
 
 import static java.nio.charset.StandardCharsets.UTF_8;
 
diff --git a/src/main/java/org/cryptomator/windows/keychain/Util.java b/src/main/java/org/cryptomator/windows/keychain/Util.java
index d6c3682..ea7093a 100644
--- a/src/main/java/org/cryptomator/windows/keychain/Util.java
+++ b/src/main/java/org/cryptomator/windows/keychain/Util.java
@@ -28,7 +28,6 @@
 import static java.nio.charset.StandardCharsets.UTF_8;
 
 public class Util {
-	private static final Logger LOG = LoggerFactory.getLogger(Util.class);
 	private static final Path USER_HOME_REL = Path.of("~");
 	private static final Path USER_HOME = Path.of(System.getProperty("user.home"));
 
diff --git a/src/main/java/org/cryptomator/windows/keychain/WindowsKeychainAccessBase.java b/src/main/java/org/cryptomator/windows/keychain/WindowsKeychainAccessBase.java
index 7afea12..093af38 100644
--- a/src/main/java/org/cryptomator/windows/keychain/WindowsKeychainAccessBase.java
+++ b/src/main/java/org/cryptomator/windows/keychain/WindowsKeychainAccessBase.java
@@ -136,6 +136,7 @@ interface PassphraseCryptor {
 
 		/**
 		 * Encrypts the given cleartext using a key provided by Windows.
+		 * The caller is responsible for zeroing the cleartext array after use.
 		 *
 		 * @param cleartext      The cleartext to encrypt.
 		 * @param additionalData Additional data fed into the encryption. Needs to be provided during {@link #decrypt(byte[], byte[])} decryption}