diff --git a/src/mhed/FrmMhed.cs b/src/mhed/FrmMhed.cs
index 4157257..7a1ef50 100644
--- a/src/mhed/FrmMhed.cs
+++ b/src/mhed/FrmMhed.cs
@@ -182,7 +182,7 @@ private bool IsAutoUpdateCheckNeeded()
         private bool IsCleanupNeeded()
         {
             if (!App.Platform.AutoUpdateSupported) { return false; }
-            return (DateTime.Now - Properties.Settings.Default.LastCleanupTime).Days >= 7;
+            return (DateTime.Now - Properties.Settings.Default.LastCleanupTime).Days >= Properties.Settings.Default.CleanupInterval;
         }
 
         /// <summary>
diff --git a/src/mhed/Properties/Settings.Designer.cs b/src/mhed/Properties/Settings.Designer.cs
index 81e41d3..904c0bb 100644
--- a/src/mhed/Properties/Settings.Designer.cs
+++ b/src/mhed/Properties/Settings.Designer.cs
@@ -175,5 +175,17 @@ public int UpdateCheckInterval {
                 this["UpdateCheckInterval"] = value;
             }
         }
+        
+        [global::System.Configuration.UserScopedSettingAttribute()]
+        [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
+        [global::System.Configuration.DefaultSettingValueAttribute("7")]
+        public int CleanupInterval {
+            get {
+                return ((int)(this["CleanupInterval"]));
+            }
+            set {
+                this["CleanupInterval"] = value;
+            }
+        }
     }
 }
diff --git a/src/mhed/Properties/Settings.settings b/src/mhed/Properties/Settings.settings
index f688b8c..12880bb 100644
--- a/src/mhed/Properties/Settings.settings
+++ b/src/mhed/Properties/Settings.settings
@@ -41,5 +41,8 @@
     <Setting Name="UpdateCheckInterval" Type="System.Int32" Scope="User">
       <Value Profile="(Default)">7</Value>
     </Setting>
+    <Setting Name="CleanupInterval" Type="System.Int32" Scope="User">
+      <Value Profile="(Default)">7</Value>
+    </Setting>
   </Settings>
 </SettingsFile>
\ No newline at end of file
diff --git a/src/mhed/app.config b/src/mhed/app.config
index 2d5dc65..d4bd8ca 100644
--- a/src/mhed/app.config
+++ b/src/mhed/app.config
@@ -46,6 +46,9 @@
             <setting name="UpdateCheckInterval" serializeAs="String">
                 <value>7</value>
             </setting>
+            <setting name="CleanupInterval" serializeAs="String">
+                <value>7</value>
+            </setting>
         </mhed.gui.Properties.Settings>
     </userSettings>
     <applicationSettings>