diff --git a/src/main/java/org/qortal/arbitrary/ArbitraryDataReader.java b/src/main/java/org/qortal/arbitrary/ArbitraryDataReader.java
index 9ea5d602..028eea78 100644
--- a/src/main/java/org/qortal/arbitrary/ArbitraryDataReader.java
+++ b/src/main/java/org/qortal/arbitrary/ArbitraryDataReader.java
@@ -209,7 +209,7 @@ public class ArbitraryDataReader {
      * serve a cached version of the resource for subsequent requests.
      * @throws IOException
      */
-    private void deleteWorkingDirectory() throws IOException {
+    private void deleteWorkingDirectory() {
         try {
             FilesystemUtils.safeDeleteDirectory(this.workingPath, true);
         } catch (IOException e) {