diff --git a/wp-admin/includes/deprecated.php b/wp-admin/includes/deprecated.php
index 747b228d53..9c33604e8d 100644
--- a/wp-admin/includes/deprecated.php
+++ b/wp-admin/includes/deprecated.php
@@ -938,4 +938,13 @@ function current_theme_info() {
 	_deprecated_function( __FUNCTION__, '3.4', 'wp_get_theme()' );
 
 	return wp_get_theme();
-}
\ No newline at end of file
+}
+
+/**
+ * This was once used to display an 'Insert into Post' button. Now it is deprecated and stubbed.
+ * 
+ * @deprecated 3.5.0
+ */
+function _insert_into_post_button( $type ) {
+	_deprecated_function( __FUNCTION__, '3.5' );
+}
diff --git a/wp-admin/includes/media.php b/wp-admin/includes/media.php
index cbd0d1a079..9e202bd487 100644
--- a/wp-admin/includes/media.php
+++ b/wp-admin/includes/media.php
@@ -2026,30 +2026,6 @@ function wp_media_insert_url_form( $default_view = 'image' ) {
 
 }
 
-function _insert_into_post_button($type) {
-	if ( !post_type_supports(get_post_type($_GET['post_id']), 'editor') )
-		return '';
-
-	if ( 'image' == $type )
-	return '
-		<tr>
-			<td></td>
-			<td>
-				<input type="button" class="button" id="go_button" style="color:#bbb;" onclick="addExtImage.insert()" value="' . esc_attr__('Insert into Post') . '" />
-			</td>
-		</tr>
-	';
-
-	return '
-		<tr>
-			<td></td>
-			<td>
-				' . get_submit_button( __( 'Insert into Post' ), 'button', 'insertonlybutton', false ) . '
-			</td>
-		</tr>
-	';
-}
-
 /**
  * Displays the multi-file uploader message.
  *