diff --git a/src/classes/modules/java.base/jdk/internal/misc/Unsafe.java b/src/classes/modules/java.base/jdk/internal/misc/Unsafe.java
index 04d195e0..6b28b990 100644
--- a/src/classes/modules/java.base/jdk/internal/misc/Unsafe.java
+++ b/src/classes/modules/java.base/jdk/internal/misc/Unsafe.java
@@ -156,10 +156,6 @@ private boolean weakCompareAndSetInt(Object object, long offset, int expected, i
   }
   public final native boolean compareAndSetLong(Object o, long offset, long expected, long x);
 
-  public final boolean compareAndSetObject(Object o, long offset, Object expected, Object x) {
-    return compareAndSetReference(o, offset, expected, x);
-  }
-
   // those do the usual CAS magic
   public native boolean compareAndSwapObject(Object oThis, long offset, Object expect,
       Object update);
@@ -196,34 +192,10 @@ public void putInt(Object obj, int offset, int i) {
 
   public native void putOrderedInt(Object obj, long l, int i);
 
-  public native Object getObject(Object obj, long l);
-  public native Object getObjectVolatile(Object obj, long l);
-
-  public final Object getObjectAcquire(Object o, long offset) {
-    return getObjectVolatile(o, offset);
-  }
-
-  @Deprecated
-  public Object getObject(Object obj, int offset) {
-    return getObject(obj, (long) offset);
-  }
-
-  public final void putObject(Object o, long offset, Object x) {
-    putReference(o, offset, x);
-  }
-
-  public final void putObjectOpaque(Object o, long offset, Object x) {
-    putReferenceOpaque(o, offset, x);
-  }
+  public native void putReference(Object o, long offset, Object x);
 
-  public final void putObjectRelease(Object o, long offset, Object x) {
-    putReferenceRelease(o, offset, x);
-  }
-  public final void putObjectVolatile(Object o, long offset, Object x) {
-    putReferenceVolatile(o, offset, x);
-  }
+  public native Object getReference(Object o, long offset);
 
-  public native void putReference(Object o, long offset, Object x);
 
 
   public final void putReferenceOpaque(Object o, long offset, Object x) {
@@ -236,11 +208,12 @@ public final void putReferenceRelease(Object o, long offset, Object x) {
 
   public native void putReferenceVolatile(Object o, long offset, Object x);
 
-  @Deprecated
-  public void putObject(Object obj, int offset, Object obj1) {
-    putObject(obj, (long) offset, obj1);
+  public final Object getReferenceAcquire(Object o, long offset) {
+    return getReferenceVolatile(o, offset);
   }
 
+  public native Object getReferenceVolatile(Object o, long offset);
+
   public native void putOrderedObject(Object obj, long l, Object obj1);
 
   public native boolean getBoolean(Object obj, long l);
@@ -270,9 +243,6 @@ public byte getByte(Object obj, int offset) {
     return getByte(obj, (long) offset);
   }
 
-  public final Object getReferenceAcquire(Object o, long offset) {
-    return getObject(o,offset);
-  }
 
   public final native boolean compareAndSetReference(Object o, long offset, Object expected, Object x);
 
diff --git a/src/peers/gov/nasa/jpf/vm/JPF_java_util_Random.java b/src/peers/gov/nasa/jpf/vm/JPF_java_util_Random.java
index aa4666a7..63942b5d 100644
--- a/src/peers/gov/nasa/jpf/vm/JPF_java_util_Random.java
+++ b/src/peers/gov/nasa/jpf/vm/JPF_java_util_Random.java
@@ -21,16 +21,13 @@
 import gov.nasa.jpf.ConfigChangeListener;
 import gov.nasa.jpf.JPFException;
 import gov.nasa.jpf.annotation.MJI;
-import gov.nasa.jpf.vm.JPF_gov_nasa_jpf_vm_Verify;
-import gov.nasa.jpf.vm.MJIEnv;
-import gov.nasa.jpf.vm.NativePeer;
+import jdk.internal.misc.Unsafe;
 
+import java.lang.invoke.VarHandle;
 import java.lang.reflect.Field;
 import java.util.Random;
 import java.util.concurrent.atomic.AtomicLong;
 
-import jdk.internal.misc.Unsafe;
-
 /**
  * MJI NativePeer class for java.util.Random library abstraction
  *
@@ -107,12 +104,12 @@ public void jpfRunTerminated(Config config){
   }
   
   private static void setNativeSeed (Random rand, long seed) {
-    AtomicLong al = (AtomicLong) unsafe.getObject(rand, seedFieldOffset);
+    AtomicLong al = (AtomicLong) unsafe.getReference(rand, seedFieldOffset);
     al.set(seed);
   }
 
   private static long getNativeSeed (Random rand){
-    AtomicLong al = (AtomicLong) unsafe.getObject(rand, seedFieldOffset);
+    AtomicLong al = (AtomicLong) unsafe.getReference(rand, seedFieldOffset);
     return al.longValue();
   }
 
diff --git a/src/peers/gov/nasa/jpf/vm/JPF_jdk_internal_misc_Unsafe.java b/src/peers/gov/nasa/jpf/vm/JPF_jdk_internal_misc_Unsafe.java
index f7eadecb..e301a76e 100644
--- a/src/peers/gov/nasa/jpf/vm/JPF_jdk_internal_misc_Unsafe.java
+++ b/src/peers/gov/nasa/jpf/vm/JPF_jdk_internal_misc_Unsafe.java
@@ -104,7 +104,7 @@ public long objectFieldOffset__Ljava_lang_Class_2Ljava_lang_String_2__J (MJIEnv
    */
   @MJI
   public boolean compareAndSetReference__Ljava_lang_Object_2JLjava_lang_Object_2Ljava_lang_Object_2__Z(MJIEnv env, int unsafeRef, int oRef, long offset, int expectedRef, int xRef) {
-    int actual = getObject__Ljava_lang_Object_2J__Ljava_lang_Object_2(env, unsafeRef, oRef, offset);
+    int actual = getReference__Ljava_lang_Object_2J__Ljava_lang_Object_2(env, unsafeRef, oRef, offset);
     if (actual == expectedRef) {
       putReference__Ljava_lang_Object_2JLjava_lang_Object_2__V(env, unsafeRef, oRef, offset, xRef);
       return true;
@@ -156,7 +156,7 @@ public boolean compareAndSetLong__Ljava_lang_Object_2JJJ__Z (MJIEnv env, int uns
   public boolean compareAndSwapObject__Ljava_lang_Object_2JLjava_lang_Object_2Ljava_lang_Object_2__Z (MJIEnv env, int unsafeRef,
                                                                                                              int objRef, long fieldOffset,
                                                                                                              int expectRef, int updateRef) {
-    int actual = getObject__Ljava_lang_Object_2J__Ljava_lang_Object_2(env, unsafeRef, objRef, fieldOffset);
+    int actual = getReference__Ljava_lang_Object_2J__Ljava_lang_Object_2(env, unsafeRef, objRef, fieldOffset);
     if (actual == expectRef) {
       putReference__Ljava_lang_Object_2JLjava_lang_Object_2__V(env, unsafeRef, objRef, fieldOffset, updateRef);
       return true;
@@ -281,7 +281,7 @@ public void ensureClassInitialized__Ljava_lang_Class_2__V (MJIEnv env, int unsaf
   }
 
   @MJI
-  public int getObject__Ljava_lang_Object_2J__Ljava_lang_Object_2 (MJIEnv env, int unsafeRef,
+  public int getReference__Ljava_lang_Object_2J__Ljava_lang_Object_2 (MJIEnv env, int unsafeRef,
                                                                           int objRef, long fieldOffset) {
     ElementInfo ei = env.getElementInfo(objRef);
     if (!ei.isArray()) {
@@ -293,9 +293,9 @@ public int getObject__Ljava_lang_Object_2J__Ljava_lang_Object_2 (MJIEnv env, int
   }
   
   @MJI
-  public int getObjectVolatile__Ljava_lang_Object_2J__Ljava_lang_Object_2 (MJIEnv env, int unsafeRef,
+  public int getReferenceVolatile__Ljava_lang_Object_2J__Ljava_lang_Object_2 (MJIEnv env, int unsafeRef,
       int objRef, long fieldOffset) {
-    return getObject__Ljava_lang_Object_2J__Ljava_lang_Object_2( env, unsafeRef, objRef, fieldOffset);
+    return getReference__Ljava_lang_Object_2J__Ljava_lang_Object_2( env, unsafeRef, objRef, fieldOffset);
   }
 
   @MJI