diff --git a/bindings/java/jni/dataModel_SleuthkitJNI.cpp b/bindings/java/jni/dataModel_SleuthkitJNI.cpp
index 60772ce33d2c65d5076c609e814a7fded993365f..b1e24a044c533bed6f0074a6edc7f448797a9b12 100644
--- a/bindings/java/jni/dataModel_SleuthkitJNI.cpp
+++ b/bindings/java/jni/dataModel_SleuthkitJNI.cpp
@@ -970,29 +970,6 @@ JNIEXPORT jlong JNICALL
 JNIEXPORT jlong JNICALL
 Java_org_sleuthkit_datamodel_SleuthkitJNI_initializeAddImgNat(JNIEnv * env, jclass obj,
     jlong caseHandle, jstring timeZone, jboolean addFileSystems, jboolean addUnallocSpace, jboolean skipFatFsOrphans) {
-
-    return Java_org_sleuthkit_datamodel_SleuthkitJNI_initializeAddImgUnallocChunkNat(env, obj, caseHandle, timeZone, addFileSystems, addUnallocSpace, 500 * 1024 * 1024, -1, skipFatFsOrphans);
-}
-
-/*
-* Initialize a process for adding an image to a case database.
-*
-* @param env Pointer to java environment.
-* @param obj Pointer the Java class object.
-* @partam caseHandle Pointer to a TskCaseDb object.
-* @param timeZone The time zone for the image.
-* @param addFileSystems Pass true to attempt to add file systems within the image to the case database.
-* @param addUnallocSpace Pass true to create virtual files for unallocated space. Ignored if addFileSystems is false.
-* @param unallocMinChunk Minimum size for unallocated chunks. -1 to only chunk on natural breaks, 0 to not chunk at all. Ignored if addUnallocSpace is false.
-* @param unallocMaxChunk Maximum size for unallocated chunks even if no natural break occurs. -1 for no maximum. Ignored if addUnallocSpace is false.
-* @param skipFatFsOrphans Pass true to skip processing of orphan files for FAT file systems. Ignored if addFileSystems is false.
-*
-* @return A pointer to the process (TskAutoDb object) or NULL on error.
-*/
-JNIEXPORT jlong JNICALL
-Java_org_sleuthkit_datamodel_SleuthkitJNI_initializeAddImgUnallocChunkNat(JNIEnv * env, jclass obj,
-    jlong caseHandle, jstring timeZone, jboolean addFileSystems, jboolean addUnallocSpace, 
-    jlong unallocMinChunk, jlong unallocMaxChunk, jboolean skipFatFsOrphans) {
     jboolean isCopy;
 
     TskCaseDb *tskCase = castCaseDb(env, caseHandle);
@@ -1038,7 +1015,8 @@ Java_org_sleuthkit_datamodel_SleuthkitJNI_initializeAddImgUnallocChunkNat(JNIEnv
     tskAuto->setAddFileSystems(addFileSystems?true:false);
     if (addFileSystems) {
         if (addUnallocSpace) {
-            tskAuto->setAddUnallocSpace(true, unallocMinChunk, unallocMaxChunk);
+            // Minimum size of unalloc files: 500 MB, maximum size: 1 GB
+            tskAuto->setAddUnallocSpace(true, 500 * 1024 * 1024, 1024 * 1024 * 1024);
         }
         else {
             tskAuto->setAddUnallocSpace(false);
diff --git a/bindings/java/jni/dataModel_SleuthkitJNI.h b/bindings/java/jni/dataModel_SleuthkitJNI.h
index 223cdee16ad24b58daa88547a4bc164aecff3f2a..b4c2d9cd5ba7470c1dec16bea8f3e78de68eefe1 100644
--- a/bindings/java/jni/dataModel_SleuthkitJNI.h
+++ b/bindings/java/jni/dataModel_SleuthkitJNI.h
@@ -223,14 +223,6 @@ JNIEXPORT jlong JNICALL Java_org_sleuthkit_datamodel_SleuthkitJNI_initAddImgNat
 JNIEXPORT jlong JNICALL Java_org_sleuthkit_datamodel_SleuthkitJNI_initializeAddImgNat
   (JNIEnv *, jclass, jlong, jstring, jboolean, jboolean, jboolean);
 
-/*
- * Class:     org_sleuthkit_datamodel_SleuthkitJNI
- * Method:    initializeAddImgUnallocChunkNat
- * Signature: (JLjava/lang/String;ZZJJZ)J
- */
-JNIEXPORT jlong JNICALL Java_org_sleuthkit_datamodel_SleuthkitJNI_initializeAddImgUnallocChunkNat
-  (JNIEnv *, jclass, jlong, jstring, jboolean, jboolean, jlong, jlong, jboolean);
-
 /*
  * Class:     org_sleuthkit_datamodel_SleuthkitJNI
  * Method:    runOpenAndAddImgNat
diff --git a/bindings/java/src/org/sleuthkit/datamodel/SleuthkitJNI.java b/bindings/java/src/org/sleuthkit/datamodel/SleuthkitJNI.java
index 22241fe7dc366e8ee99da9f9caeb05b3877658f6..d547f896b1a23308a3813855ac388f9500af80ed 100644
--- a/bindings/java/src/org/sleuthkit/datamodel/SleuthkitJNI.java
+++ b/bindings/java/src/org/sleuthkit/datamodel/SleuthkitJNI.java
@@ -1196,8 +1196,6 @@ public static boolean isImageSupported(String imagePath) {
 
 	private static native long initializeAddImgNat(long db, String timezone, boolean addFileSystems, boolean addUnallocSpace, boolean skipFatFsOrphans) throws TskCoreException;
 	
-	private static native long initializeAddImgUnallocChunkNat(long db, String timezone, boolean addFileSystems, boolean addUnallocSpace, long minChunkSize, long maxChunkSize, boolean skipFatFsOrphans) throws TskCoreException;	
-
 	private static native void runOpenAndAddImgNat(long process, String deviceId, String[] imgPath, int splits, String timezone) throws TskCoreException, TskDataException;
 
 	private static native void runAddImgNat(long process, String deviceId, long a_img_info, String timeZone, String imageWriterPath) throws TskCoreException, TskDataException;