diff --git a/common/rfb/PixelBuffer.cxx b/common/rfb/PixelBuffer.cxx
index 3ed3a92..7f4c344 100644
--- a/common/rfb/PixelBuffer.cxx
+++ b/common/rfb/PixelBuffer.cxx
@@ -40,10 +40,6 @@
 PixelBuffer::~PixelBuffer() {}
 
 
-void PixelBuffer::setPF(const PixelFormat &pf) {format = pf;}
-const PixelFormat& PixelBuffer::getPF() const {return format;}
-
-
 void
 PixelBuffer::getImage(void* imageBuf, const Rect& r, int outStride) {
   int inStride;
diff --git a/common/rfb/PixelBuffer.h b/common/rfb/PixelBuffer.h
index 0b8ab04..ad30cf2 100644
--- a/common/rfb/PixelBuffer.h
+++ b/common/rfb/PixelBuffer.h
@@ -41,12 +41,9 @@
     // Format / Layout
     //
 
-    // Set/get pixel format & colourmap
-  protected:
-    // Only for subclasses that support changing parameters
-    virtual void setPF(const PixelFormat &pf);
   public:
-    virtual const PixelFormat &getPF() const;
+    // Get pixel format
+    const PixelFormat &getPF() const { return format; }
 
     // Get width, height and number of pixels
     int width()  const { return width_; }
@@ -86,6 +83,8 @@
     virtual void grabRegion(const Region& region) {}
 
   protected:
+    // Only for subclasses that support changing parameters
+    void setPF(const PixelFormat &pf) { format = pf; }
     PixelBuffer();
     PixelFormat format;
     int width_, height_;
@@ -99,9 +98,6 @@
                          rdr::U8* data_);
     virtual ~FullFramePixelBuffer();
 
-  protected:
-    virtual void setPF(const PixelFormat &pf);
-
   public:
     // - Get the number of pixels per row in the actual pixel buffer data area
     //   This may in some cases NOT be the same as width().
@@ -118,28 +114,29 @@
     // These operations DO NOT clip to the pixelbuffer area, or trap overruns.
 
     // Fill a rectangle
-    virtual void fillRect(const Rect &dest, Pixel pix);
+    void fillRect(const Rect &dest, Pixel pix);
 
     // Copy pixel data to the buffer
-    virtual void imageRect(const Rect &dest, const void* pixels, int stride=0);
+    void imageRect(const Rect &dest, const void* pixels, int stride=0);
 
     // Copy pixel data from one PixelBuffer location to another
-    virtual void copyRect(const Rect &dest, const Point &move_by_delta);
+    void copyRect(const Rect &dest, const Point& move_by_delta);
 
     // Copy pixel data to the buffer through a mask
     //   pixels is a pointer to the pixel to be copied to r.tl.
     //   maskPos specifies the pixel offset in the mask to start from.
     //   mask_ is a pointer to the mask bits at (0,0).
     //   pStride and mStride are the strides of the pixel and mask buffers.
-    virtual void maskRect(const Rect& r, const void* pixels, const void* mask_);
+    void maskRect(const Rect& r, const void* pixels, const void* mask_);
 
     //   pixel is the Pixel value to be used where mask_ is set
-    virtual void maskRect(const Rect& r, Pixel pixel, const void* mask_);
+    void maskRect(const Rect& r, Pixel pixel, const void* mask_);
 
     // *** Should this be visible?
     rdr::U8* data;
 
   protected:
+    void setPF(const PixelFormat &pf);
     FullFramePixelBuffer();
     void (*fillRectFn)(rdr::U8 *, int, const Rect&, Pixel);
   };