diff --git a/plugins/dfu/dfu-element.c b/plugins/dfu/dfu-element.c
index 23f015065..c7b711fe4 100644
--- a/plugins/dfu/dfu-element.c
+++ b/plugins/dfu/dfu-element.c
@@ -30,9 +30,7 @@ static void dfu_element_finalize			 (GObject *object);
 
 typedef struct {
 	GBytes			*contents;
-	guint32			 target_size;
 	guint32			 address;
-	guint8			 padding_value;
 } DfuElementPrivate;
 
 G_DEFINE_TYPE_WITH_PRIVATE (DfuElement, dfu_element, G_TYPE_OBJECT)
@@ -162,10 +160,6 @@ dfu_element_to_string (DfuElement *element)
 
 	str = g_string_new ("");
 	g_string_append_printf (str, "address:     0x%02x\n", priv->address);
-	if (priv->target_size > 0) {
-		g_string_append_printf (str, "target:      0x%04x\n",
-					priv->target_size);
-	}
 	if (priv->contents != NULL) {
 		g_string_append_printf (str, "contents:    0x%04x\n",
 					(guint32) g_bytes_get_size (priv->contents));
@@ -174,68 +168,3 @@ dfu_element_to_string (DfuElement *element)
 	g_string_truncate (str, str->len - 1);
 	return g_string_free (str, FALSE);
 }
-
-/**
- * dfu_element_set_padding_value:
- * @element: a #DfuElement
- * @padding_value: char value, typically 0x00 or 0xff
- *
- * Sets a the value of the padding byte to be used in the function
- * dfu_element_set_target_size().
- **/
-void
-dfu_element_set_padding_value (DfuElement *element, guint8 padding_value)
-{
-	DfuElementPrivate *priv = GET_PRIVATE (element);
-	g_return_if_fail (DFU_IS_ELEMENT (element));
-	priv->padding_value = padding_value;
-}
-
-/**
- * dfu_element_set_target_size:
- * @element: a #DfuElement
- * @target_size: size in bytes
- *
- * Sets a target size for the element. If the prepared element is smaller
- * than this then it will be padded up to the required size.
- *
- * If a padding byte other than 0x00 is required then the function
- * dfu_element_set_padding_value() should be used before this function is
- * called.
- **/
-void
-dfu_element_set_target_size (DfuElement *element, guint32 target_size)
-{
-	DfuElementPrivate *priv = GET_PRIVATE (element);
-	const guint8 *data;
-	gsize length;
-	guint8 *buf;
-
-	g_return_if_fail (DFU_IS_ELEMENT (element));
-
-	/* save for dump */
-	priv->target_size = target_size;
-
-	/* no need to pad */
-	if (priv->contents == NULL)
-		return;
-	if (g_bytes_get_size (priv->contents) >= target_size)
-		return;
-
-	/* reallocate and pad */
-	data = g_bytes_get_data (priv->contents, &length);
-	buf = g_malloc0 (target_size);
-	g_assert (buf != NULL);
-	memcpy (buf, data, length);
-
-	/* set the padding value */
-	if (priv->padding_value != 0x00) {
-		memset (buf + length,
-			priv->padding_value,
-			target_size - length);
-	}
-
-	/* replace */
-	g_bytes_unref (priv->contents);
-	priv->contents = g_bytes_new_take (buf, target_size);
-}
diff --git a/plugins/dfu/dfu-element.h b/plugins/dfu/dfu-element.h
index c39dcca74..021ed7fb5 100644
--- a/plugins/dfu/dfu-element.h
+++ b/plugins/dfu/dfu-element.h
@@ -25,9 +25,4 @@ void		 dfu_element_set_contents	(DfuElement	*element,
 						 GBytes		*contents);
 void		 dfu_element_set_address	(DfuElement	*element,
 						 guint32	 address);
-void		 dfu_element_set_target_size	(DfuElement	*element,
-						 guint32	 target_size);
-void		 dfu_element_set_padding_value	(DfuElement	*element,
-						 guint8		 padding_value);
-
 gchar		*dfu_element_to_string		(DfuElement	*element);