diff --git a/jme3-core/src/main/java/com/jme3/animation/Bone.java b/jme3-core/src/main/java/com/jme3/animation/Bone.java
index 0cddbe5aef..5ea95b7f44 100644
--- a/jme3-core/src/main/java/com/jme3/animation/Bone.java
+++ b/jme3-core/src/main/java/com/jme3/animation/Bone.java
@@ -671,16 +671,6 @@ public void setUserTransforms(Vector3f translation, Quaternion rotation, Vector3
         localScale.multLocal(scale);
     }
 
-    /**
-     * 
-     * @param translation -
-     * @param rotation -
-     * @deprecated use {@link #setUserTransformsInModelSpace(com.jme3.math.Vector3f, com.jme3.math.Quaternion) }
-     */
-    @Deprecated
-    public void setUserTransformsWorld(Vector3f translation, Quaternion rotation) {
-        
-    }
     /**
      * Sets the transforms of this bone in model space (relative to the root bone)
      * 
diff --git a/jme3-core/src/main/java/com/jme3/light/LightProbe.java b/jme3-core/src/main/java/com/jme3/light/LightProbe.java
index 4ef1dd6903..27b7605cb4 100644
--- a/jme3-core/src/main/java/com/jme3/light/LightProbe.java
+++ b/jme3-core/src/main/java/com/jme3/light/LightProbe.java
@@ -211,17 +211,6 @@ public BoundingVolume getBounds() {
         return new BoundingSphere(area.getRadius(), ((SphereProbeArea)area).getCenter());
     }
 
-    /**
-     * Sets the bounds of this LightProbe
-     * Note that for now only BoundingSphere is supported and this method will
-     * throw an UnsupportedOperationException with any other BoundingVolume type
-     * @param bounds the bounds of the LightProbe
-     * @deprecated
-     */
-    @Deprecated
-    public void setBounds(BoundingVolume bounds) {
-    }
-
     public ProbeArea getArea() {
         return area;
     }
diff --git a/jme3-core/src/main/java/com/jme3/material/RenderState.java b/jme3-core/src/main/java/com/jme3/material/RenderState.java
index 667a64ba2f..94e8d62683 100644
--- a/jme3-core/src/main/java/com/jme3/material/RenderState.java
+++ b/jme3-core/src/main/java/com/jme3/material/RenderState.java
@@ -704,35 +704,6 @@ public boolean equals(Object o) {
         return true;
     }
 
-    /**
-     * @deprecated Does nothing. Point sprite is already enabled by default for
-     * all supported platforms. jME3 does not support rendering conventional
-     * point clouds.
-     *
-     * @param pointSprite ignored 
-     */
-    @Deprecated
-    public void setPointSprite(boolean pointSprite) {
-    }
-
-    /**
-     * @deprecated Does nothing. To use alpha test, set the
-     * <code>AlphaDiscardThreshold</code> material parameter.
-     * @param alphaFallOff does nothing
-     */
-    @Deprecated
-    public void setAlphaFallOff(float alphaFallOff) {
-    }
-
-    /**
-     * @deprecated Does nothing. To use alpha test, set the
-     * <code>AlphaDiscardThreshold</code> material parameter.
-     * @param alphaTest does nothing
-     */
-    @Deprecated
-    public void setAlphaTest(boolean alphaTest) {
-    }
-
     /**
      * Enable writing color.
      *
@@ -981,14 +952,6 @@ public void setDepthFunc(TestFunction depthFunc) {
         cachedHashCode = -1;
     }
 
-    /**
-     * @deprecated
-     * @param alphaFunc ignored
-     */
-    @Deprecated
-    public void setAlphaFunc(TestFunction alphaFunc) {
-    }
-
     /**
      * Sets the mesh line width.
      * Use this in conjunction with {@link #setWireframe(boolean)} or with a mesh in
@@ -1235,7 +1198,6 @@ public BlendFunc getCustomDfactorAlpha() {
     /**
      * @return true
      * @deprecated Always returns true since point sprite is always enabled.
-     * @see #setPointSprite(boolean)
      */
     @Deprecated
     public boolean isPointSprite() {
diff --git a/jme3-core/src/main/java/com/jme3/renderer/RenderContext.java b/jme3-core/src/main/java/com/jme3/renderer/RenderContext.java
index 4822ec3a05..1422908af3 100644
--- a/jme3-core/src/main/java/com/jme3/renderer/RenderContext.java
+++ b/jme3-core/src/main/java/com/jme3/renderer/RenderContext.java
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2009-2019 jMonkeyEngine
+ * Copyright (c) 2009-2021 jMonkeyEngine
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -35,7 +35,6 @@
 
 import com.jme3.material.RenderState;
 import com.jme3.math.ColorRGBA;
-import com.jme3.scene.Mesh;
 import com.jme3.scene.VertexBuffer;
 import com.jme3.shader.Shader;
 import com.jme3.texture.FrameBuffer;
@@ -87,9 +86,6 @@ public class RenderContext {
      */
     public float polyOffsetUnits;
 
-    /**
-     * @see Mesh#setPointSize(float)
-     */
     public float pointSize;
 
     /**
diff --git a/jme3-core/src/main/java/com/jme3/scene/Mesh.java b/jme3-core/src/main/java/com/jme3/scene/Mesh.java
index 6d72765bf4..2d8ad639d7 100644
--- a/jme3-core/src/main/java/com/jme3/scene/Mesh.java
+++ b/jme3-core/src/main/java/com/jme3/scene/Mesh.java
@@ -57,8 +57,6 @@
  * Meshes may contain three types of geometric primitives:
  * <ul>
  * <li>Points - Every vertex represents a single point in space.
- * Points can also be used for {@link RenderState#setPointSprite(boolean) point
- * sprite} mode.</li>
  * <li>Lines - 2 vertices represent a line segment, with the width specified
  * via {@link Material#getAdditionalRenderState()} and {@link RenderState#setLineWidth(float)}.</li>
  * <li>Triangles - 3 vertices represent a solid triangle primitive. </li>
@@ -615,24 +613,12 @@ public void setMaxNumWeights(int maxNumWeights) {
      * determined in the vertex shader.
      *
      * @return <code>1.0</code>
-     *
-     * @see #setPointSize(float)
      */
     @Deprecated
     public float getPointSize() {
         return 1.0f;
     }
 
-    /**
-     * @deprecated Does nothing, since the size of {@link Mode#Points points} is
-     * determined via the vertex shader's <code>gl_PointSize</code> output.
-     *
-     * @param pointSize ignored
-     */
-    @Deprecated
-    public void setPointSize(float pointSize) {
-    }
-
     /**
      * Returns the line width for line meshes.
      *
diff --git a/jme3-core/src/main/java/com/jme3/shadow/AbstractShadowFilter.java b/jme3-core/src/main/java/com/jme3/shadow/AbstractShadowFilter.java
index e48698783e..5a60e16e85 100644
--- a/jme3-core/src/main/java/com/jme3/shadow/AbstractShadowFilter.java
+++ b/jme3-core/src/main/java/com/jme3/shadow/AbstractShadowFilter.java
@@ -226,14 +226,6 @@ public boolean isFlushQueues() {
         return shadowRenderer.isFlushQueues();
     }
 
-    /**
-     * setFlushQueues does nothing now and is kept only for backward compatibility
-     *
-     * @param flushQueues ignored
-     */
-    @Deprecated
-    public void setFlushQueues(boolean flushQueues) {}
-
     /**
      * sets the shadow compare mode see {@link CompareMode} for more info
      *
diff --git a/jme3-core/src/main/java/com/jme3/shadow/AbstractShadowRenderer.java b/jme3-core/src/main/java/com/jme3/shadow/AbstractShadowRenderer.java
index 0cf44326c1..6598ef1a90 100644
--- a/jme3-core/src/main/java/com/jme3/shadow/AbstractShadowRenderer.java
+++ b/jme3-core/src/main/java/com/jme3/shadow/AbstractShadowRenderer.java
@@ -777,14 +777,6 @@ public void setEdgesThickness(int edgesThickness) {
     @Deprecated
     public boolean isFlushQueues() { return false; }
 
-    /**
-     * setFlushQueues does nothing now and is kept only for backward compatibility
-     *
-     * @param flushQueues ignored
-     */
-    @Deprecated
-    public void setFlushQueues(boolean flushQueues) {}
-
     /**
      * returns the pre shadows pass render state.
      * use it to adjust the RenderState parameters of the pre shadow pass.
diff --git a/jme3-core/src/main/java/com/jme3/texture/Image.java b/jme3-core/src/main/java/com/jme3/texture/Image.java
index 1e0ed3408c..5a95b1da88 100644
--- a/jme3-core/src/main/java/com/jme3/texture/Image.java
+++ b/jme3-core/src/main/java/com/jme3/texture/Image.java
@@ -964,14 +964,6 @@ public void setData(int index, ByteBuffer data) {
      * @deprecated This feature is no longer used by the engine
      */
     @Deprecated
-    public void setEfficentData(Object efficientData){
-    }
-
-    /**
-     * @return null
-     * @deprecated This feature is no longer used by the engine
-     */
-    @Deprecated
     public Object getEfficentData(){
         return null;
     }
diff --git a/jme3-core/src/plugins/java/com/jme3/material/plugins/J3MLoader.java b/jme3-core/src/plugins/java/com/jme3/material/plugins/J3MLoader.java
index 6965ef022c..160d041b62 100644
--- a/jme3-core/src/plugins/java/com/jme3/material/plugins/J3MLoader.java
+++ b/jme3-core/src/plugins/java/com/jme3/material/plugins/J3MLoader.java
@@ -488,7 +488,7 @@ private void readRenderStateStatement(Statement statement) throws IOException{
         }else if (split[0].equals("DepthFunc")){
             renderState.setDepthFunc(RenderState.TestFunction.valueOf(split[1]));
         }else if (split[0].equals("AlphaFunc")){
-            renderState.setAlphaFunc(RenderState.TestFunction.valueOf(split[1]));
+            // ignore for backwards compatbility
         }else if (split[0].equals("LineWidth")){
             renderState.setLineWidth(Float.parseFloat(split[1]));
         } else {
diff --git a/jme3-vr/src/main/java/com/jme3/shadow/AbstractShadowFilterVR.java b/jme3-vr/src/main/java/com/jme3/shadow/AbstractShadowFilterVR.java
index aa9401f3ea..4c1c19be74 100644
--- a/jme3-vr/src/main/java/com/jme3/shadow/AbstractShadowFilterVR.java
+++ b/jme3-vr/src/main/java/com/jme3/shadow/AbstractShadowFilterVR.java
@@ -1,7 +1,7 @@
 package com.jme3.shadow;
 
 /*
- * Copyright (c) 2009-2019 jMonkeyEngine
+ * Copyright (c) 2009-2021 jMonkeyEngine
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -233,14 +233,6 @@ public boolean isFlushQueues() {
         return shadowRenderer.isFlushQueues();
     }
 
-    /**
-     * setFlushQueues does nothing now and is kept only for backward compatibility.
-     * @param flushQueues can be <code>true</code> or <code>false</code>.
-     * @deprecated does nothing now and is kept only for backward compatibility.
-     */
-    @Deprecated
-    public void setFlushQueues(boolean flushQueues) {}
-
     /**
      * Sets the shadow compare mode (see {@link CompareMode} for more info).
      * @param compareMode the compare mode.
diff --git a/jme3-vr/src/main/java/com/jme3/shadow/AbstractShadowRendererVR.java b/jme3-vr/src/main/java/com/jme3/shadow/AbstractShadowRendererVR.java
index 9eb4e0edee..1ac4f31376 100644
--- a/jme3-vr/src/main/java/com/jme3/shadow/AbstractShadowRendererVR.java
+++ b/jme3-vr/src/main/java/com/jme3/shadow/AbstractShadowRendererVR.java
@@ -755,15 +755,6 @@ public void setEdgesThickness(int edgesThickness) {
     @Deprecated
     public boolean isFlushQueues() { return false; }
 
-    /**
-     * This method does nothing now and is kept only for backward compatibility.
-     * @param flushQueues any boolean.
-     * @deprecated This method does nothing now and is kept only for backward compatibility.
-     */
-    @Deprecated
-    public void setFlushQueues(boolean flushQueues) {}
-
-
     /**
      * Returns the pre shadows pass render state.
      * use it to adjust the RenderState parameters of the pre shadow pass.