diff --git a/app/src/main/java/com/example/app/StartupValidator.java b/app/src/main/java/com/example/app/StartupValidator.java
index 7d3f900..eb7974a 100644
--- a/app/src/main/java/com/example/app/StartupValidator.java
+++ b/app/src/main/java/com/example/app/StartupValidator.java
@@ -1,20 +1,11 @@
 package com.example.app;
 
-import java.io.File;
-import java.io.FileInputStream;
-import java.io.FileOutputStream;
 import java.io.IOException;
-import java.time.Instant;
-import java.util.Base64;
-import java.util.Properties;
 
 import org.springframework.context.ApplicationContextInitializer;
 import org.springframework.context.ConfigurableApplicationContext;
 import org.springframework.core.io.ResourceLoader;
 
-import com.example.app.utils.KeyUtils;
-import com.example.app.utils.LicenseUtils;
-
 public class StartupValidator implements ApplicationContextInitializer<ConfigurableApplicationContext> {
 
 	// receiverKeyPair.getPublic() (Base64):
diff --git a/license/src/main/java/com/example/license/rest/LicenseRest.java b/license/src/main/java/com/example/license/rest/LicenseRest.java
index b3805fd..bf54e49 100644
--- a/license/src/main/java/com/example/license/rest/LicenseRest.java
+++ b/license/src/main/java/com/example/license/rest/LicenseRest.java
@@ -116,10 +116,8 @@ public class LicenseRest {
 					}
 				}
 			}
-		} else {
-			System.out.println("Provided path is not a directory.");
 		}
-		return "OK";
+		throw new RuntimeException("No configuration found for ID = " + id);
 	}
 
 	private Properties loadProperties(String filePath) throws IOException {