diff --git a/FileExtMismatch/src/org/sleuthkit/autopsy/fileextmismatch/Bundle.properties b/FileExtMismatch/src/org/sleuthkit/autopsy/fileextmismatch/Bundle.properties
index be85efacb9..c5610f46ad 100644
--- a/FileExtMismatch/src/org/sleuthkit/autopsy/fileextmismatch/Bundle.properties
+++ b/FileExtMismatch/src/org/sleuthkit/autopsy/fileextmismatch/Bundle.properties
@@ -34,7 +34,6 @@ FileExtMismatchIngestModule.complete.totalFiles=Total Files Processed
 FileExtMismatchIngestModule.complete.svcMsg.text=File Extension Mismatch Results
 FileExtMismatchOptionsPanelController.moduleErr=Module Error
 FileExtMismatchOptionsPanelController.moduleErr.msg=A module caused an error listening to FileExtMismatchOptionsPanelController updates. See log to determine which module. Some data could be incomplete.
-FileExtMismatchModuleSettingsPanel.skipKnownFilesCheckbox.text=Skip known files (NSRL)
 FileExtMismatchModuleSettingsPanel.skipTextPlain.text=Skip text files
 FileExtMismatchModuleSettingsPanel.skipNoExtCheckBox.text=Skip files without extensions
 FileExtMismatchSettingsPanel.addTypeButton.text=Add Type
diff --git a/FileExtMismatch/src/org/sleuthkit/autopsy/fileextmismatch/FileExtMismatchDetectorModuleSettings.java b/FileExtMismatch/src/org/sleuthkit/autopsy/fileextmismatch/FileExtMismatchDetectorModuleSettings.java
index 66d0ba9826..25e0bc2857 100755
--- a/FileExtMismatch/src/org/sleuthkit/autopsy/fileextmismatch/FileExtMismatchDetectorModuleSettings.java
+++ b/FileExtMismatch/src/org/sleuthkit/autopsy/fileextmismatch/FileExtMismatchDetectorModuleSettings.java
@@ -25,7 +25,6 @@ import org.sleuthkit.autopsy.ingest.IngestModuleIngestJobSettings;
  */
 final class FileExtMismatchDetectorModuleSettings implements IngestModuleIngestJobSettings {
 
-    private boolean skipKnownFiles = false;
     private boolean skipFilesWithNoExtension = true;
     private boolean skipFilesWithTextPlainMimeType = false;
 
@@ -33,19 +32,10 @@ final class FileExtMismatchDetectorModuleSettings implements IngestModuleIngestJ
     }
 
     FileExtMismatchDetectorModuleSettings(boolean skipKnownFiles, boolean skipFilesWithNoExtension, boolean skipFilesWithTextPlainMimeType) {
-        this.skipKnownFiles = skipKnownFiles;
         this.skipFilesWithNoExtension = skipFilesWithNoExtension;
         this.skipFilesWithTextPlainMimeType = skipFilesWithTextPlainMimeType;
     }
 
-    void setSkipKnownFiles(boolean enabled) {
-        skipKnownFiles = enabled;
-    }
-
-    boolean skipKnownFiles() {
-        return skipKnownFiles;
-    }
-
     void setSkipFilesWithNoExtension(boolean enabled) {
         skipFilesWithNoExtension = enabled;
     }
diff --git a/FileExtMismatch/src/org/sleuthkit/autopsy/fileextmismatch/FileExtMismatchIngestModule.java b/FileExtMismatch/src/org/sleuthkit/autopsy/fileextmismatch/FileExtMismatchIngestModule.java
index 5cc31903a7..fcb3b1be3a 100644
--- a/FileExtMismatch/src/org/sleuthkit/autopsy/fileextmismatch/FileExtMismatchIngestModule.java
+++ b/FileExtMismatch/src/org/sleuthkit/autopsy/fileextmismatch/FileExtMismatchIngestModule.java
@@ -77,10 +77,6 @@ public class FileExtMismatchIngestModule extends IngestModuleAdapter implements
             return ProcessResult.OK;
         }
 
-        if (settings.skipKnownFiles() && (abstractFile.getKnown() == FileKnown.KNOWN)) {
-            return ProcessResult.OK;
-        }
-
         try {
             long startTime = System.currentTimeMillis();
 
diff --git a/FileExtMismatch/src/org/sleuthkit/autopsy/fileextmismatch/FileExtMismatchModuleSettingsPanel.form b/FileExtMismatch/src/org/sleuthkit/autopsy/fileextmismatch/FileExtMismatchModuleSettingsPanel.form
index a2e7553626..a04481f515 100644
--- a/FileExtMismatch/src/org/sleuthkit/autopsy/fileextmismatch/FileExtMismatchModuleSettingsPanel.form
+++ b/FileExtMismatch/src/org/sleuthkit/autopsy/fileextmismatch/FileExtMismatchModuleSettingsPanel.form
@@ -21,7 +21,6 @@
               <Group type="103" groupAlignment="0" attributes="0">
                   <Component id="skipTextPlain" min="-2" max="-2" attributes="0"/>
                   <Component id="skipNoExtCheckBox" alignment="0" min="-2" max="-2" attributes="0"/>
-                  <Component id="skipKnownFilesCheckbox" alignment="0" min="-2" max="-2" attributes="0"/>
               </Group>
               <EmptySpace min="0" pref="138" max="32767" attributes="0"/>
           </Group>
@@ -33,9 +32,7 @@
               <Component id="skipNoExtCheckBox" min="-2" max="-2" attributes="0"/>
               <EmptySpace max="-2" attributes="0"/>
               <Component id="skipTextPlain" min="-2" max="-2" attributes="0"/>
-              <EmptySpace max="-2" attributes="0"/>
-              <Component id="skipKnownFilesCheckbox" min="-2" max="-2" attributes="0"/>
-              <EmptySpace pref="28" max="32767" attributes="0"/>
+              <EmptySpace pref="51" max="32767" attributes="0"/>
           </Group>
       </Group>
     </DimensionLayout>
@@ -65,15 +62,5 @@
         <AuxValue name="JavaCodeGenerator_InitCodePost" type="java.lang.String" value="skipTextPlain.setSelected(true);"/>
       </AuxValues>
     </Component>
-    <Component class="javax.swing.JCheckBox" name="skipKnownFilesCheckbox">
-      <Properties>
-        <Property name="text" type="java.lang.String" editor="org.netbeans.modules.i18n.form.FormI18nStringEditor">
-          <ResourceString bundle="org/sleuthkit/autopsy/fileextmismatch/Bundle.properties" key="FileExtMismatchModuleSettingsPanel.skipKnownFilesCheckbox.text" replaceFormat="org.openide.util.NbBundle.getMessage({sourceFileName}.class, &quot;{key}&quot;)"/>
-        </Property>
-      </Properties>
-      <Events>
-        <EventHandler event="actionPerformed" listener="java.awt.event.ActionListener" parameters="java.awt.event.ActionEvent" handler="skipKnownFilesCheckboxActionPerformed"/>
-      </Events>
-    </Component>
   </SubComponents>
 </Form>
diff --git a/FileExtMismatch/src/org/sleuthkit/autopsy/fileextmismatch/FileExtMismatchModuleSettingsPanel.java b/FileExtMismatch/src/org/sleuthkit/autopsy/fileextmismatch/FileExtMismatchModuleSettingsPanel.java
index 5dc0c5321d..2cf8634bde 100644
--- a/FileExtMismatch/src/org/sleuthkit/autopsy/fileextmismatch/FileExtMismatchModuleSettingsPanel.java
+++ b/FileExtMismatch/src/org/sleuthkit/autopsy/fileextmismatch/FileExtMismatchModuleSettingsPanel.java
@@ -38,7 +38,6 @@ final class FileExtMismatchModuleSettingsPanel extends IngestModuleIngestJobSett
     private void customizeComponents() {
         skipNoExtCheckBox.setSelected(settings.skipFilesWithNoExtension());
         skipTextPlain.setSelected(settings.skipFilesWithTextPlainMimeType());
-        skipKnownFilesCheckbox.setSelected(settings.skipKnownFiles());
     }
 
     @Override
@@ -57,7 +56,6 @@ final class FileExtMismatchModuleSettingsPanel extends IngestModuleIngestJobSett
 
         skipNoExtCheckBox = new javax.swing.JCheckBox();
         skipTextPlain = new javax.swing.JCheckBox();
-        skipKnownFilesCheckbox = new javax.swing.JCheckBox();
 
         skipNoExtCheckBox.setSelected(true);
         skipNoExtCheckBox.setText(org.openide.util.NbBundle.getMessage(FileExtMismatchModuleSettingsPanel.class, "FileExtMismatchModuleSettingsPanel.skipNoExtCheckBox.text")); // NOI18N
@@ -75,13 +73,6 @@ final class FileExtMismatchModuleSettingsPanel extends IngestModuleIngestJobSett
             }
         });
 
-        skipKnownFilesCheckbox.setText(org.openide.util.NbBundle.getMessage(FileExtMismatchModuleSettingsPanel.class, "FileExtMismatchModuleSettingsPanel.skipKnownFilesCheckbox.text")); // NOI18N
-        skipKnownFilesCheckbox.addActionListener(new java.awt.event.ActionListener() {
-            public void actionPerformed(java.awt.event.ActionEvent evt) {
-                skipKnownFilesCheckboxActionPerformed(evt);
-            }
-        });
-
         javax.swing.GroupLayout layout = new javax.swing.GroupLayout(this);
         this.setLayout(layout);
         layout.setHorizontalGroup(
@@ -90,8 +81,7 @@ final class FileExtMismatchModuleSettingsPanel extends IngestModuleIngestJobSett
                 .addContainerGap()
                 .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                     .addComponent(skipTextPlain)
-                    .addComponent(skipNoExtCheckBox)
-                    .addComponent(skipKnownFilesCheckbox))
+                    .addComponent(skipNoExtCheckBox))
                 .addGap(0, 138, Short.MAX_VALUE))
         );
         layout.setVerticalGroup(
@@ -100,9 +90,7 @@ final class FileExtMismatchModuleSettingsPanel extends IngestModuleIngestJobSett
                 .addComponent(skipNoExtCheckBox)
                 .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                 .addComponent(skipTextPlain)
-                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
-                .addComponent(skipKnownFilesCheckbox)
-                .addContainerGap(28, Short.MAX_VALUE))
+                .addContainerGap(51, Short.MAX_VALUE))
         );
     }// </editor-fold>//GEN-END:initComponents
 
@@ -114,12 +102,7 @@ final class FileExtMismatchModuleSettingsPanel extends IngestModuleIngestJobSett
         settings.setSkipFilesWithTextPlainMimeType(skipTextPlain.isSelected());
     }//GEN-LAST:event_skipTextPlainActionPerformed
 
-    private void skipKnownFilesCheckboxActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_skipKnownFilesCheckboxActionPerformed
-        settings.setSkipKnownFiles(skipKnownFilesCheckbox.isSelected());
-    }//GEN-LAST:event_skipKnownFilesCheckboxActionPerformed
-
     // Variables declaration - do not modify//GEN-BEGIN:variables
-    private javax.swing.JCheckBox skipKnownFilesCheckbox;
     private javax.swing.JCheckBox skipNoExtCheckBox;
     private javax.swing.JCheckBox skipTextPlain;
     // End of variables declaration//GEN-END:variables