diff --git a/wp-admin/about.php b/wp-admin/about.php
index b12fbe8aaf..f7ba999df0 100644
--- a/wp-admin/about.php
+++ b/wp-admin/about.php
@@ -93,7 +93,7 @@ if ( count( $_wp_admin_css_colors ) > 1 && has_action( 'admin_color_scheme_picke
 				/** This action is documented in wp-admin/user-edit.php */
 				do_action( 'admin_color_scheme_picker' );
 				?>
-			<p><?php printf( __( 'To change your color scheme later, just <a href="%1$s">visit your profile</a>.' ), get_edit_profile_url( get_current_user_id() ) ); ?></p>
+			<p><?php printf( __( 'To change your color scheme later, just <a href="%1$s">visit your profile</a>.' ), get_edit_profile_url() ); ?></p>
 		</div>
 	</div>
 </div>
diff --git a/wp-admin/includes/user.php b/wp-admin/includes/user.php
index 58122ed0fc..06b05ba76c 100644
--- a/wp-admin/includes/user.php
+++ b/wp-admin/includes/user.php
@@ -420,7 +420,7 @@ function default_password_nag() {
 	echo '<strong>' . __('Notice:') . '</strong> ';
 	_e('You&rsquo;re using the auto-generated password for your account. Would you like to change it to something easier to remember?');
 	echo '</p><p>';
-	printf( '<a href="%s">' . __('Yes, take me to my profile page') . '</a> | ', get_edit_profile_url( get_current_user_id() ) . '#password' );
+	printf( '<a href="%s">' . __('Yes, take me to my profile page') . '</a> | ', get_edit_profile_url() . '#password' );
 	printf( '<a href="%s" id="default-password-nag-no">' . __('No thanks, do not remind me again') . '</a>', '?default_password_nag=0' );
 	echo '</p></div>';
 }
diff --git a/wp-includes/link-template.php b/wp-includes/link-template.php
index 0c3a8eb5de..5a811f49de 100644
--- a/wp-includes/link-template.php
+++ b/wp-includes/link-template.php
@@ -2343,13 +2343,13 @@ function set_url_scheme( $url, $scheme = null ) {
  *
  * @since 3.1.0
  *
- * @param int $user_id User ID
+ * @param int $user_id Optional. User ID. Defaults to current user.
  * @param string $path Optional path relative to the dashboard. Use only paths known to both blog and user admins.
  * @param string $scheme The scheme to use. Default is 'admin', which obeys force_ssl_admin() and is_ssl(). 'http' or 'https' can be passed to force those schemes.
  * @return string Dashboard url link with optional path appended.
  */
-function get_dashboard_url( $user_id, $path = '', $scheme = 'admin' ) {
-	$user_id = (int) $user_id;
+function get_dashboard_url( $user_id = 0, $path = '', $scheme = 'admin' ) {
+	$user_id = $user_id ? (int) $user_id : get_current_user_id();
 
 	$blogs = get_blogs_of_user( $user_id );
 	if ( ! is_super_admin() && empty($blogs) ) {
@@ -2377,21 +2377,22 @@ function get_dashboard_url( $user_id, $path = '', $scheme = 'admin' ) {
  *
  * @since 3.1.0
  *
- * @param int $user User ID
- * @param string $scheme The scheme to use. Default is 'admin', which obeys force_ssl_admin() and is_ssl(). 'http' or 'https' can be passed to force those schemes.
+ * @param int    $user_id Optional. User ID. Defaults to current user.
+ * @param string $scheme  The scheme to use. Default is 'admin', which obeys force_ssl_admin() and is_ssl().
+ *                        'http' or 'https' can be passed to force those schemes.
  * @return string Dashboard url link with optional path appended.
  */
-function get_edit_profile_url( $user, $scheme = 'admin' ) {
-	$user = (int) $user;
+function get_edit_profile_url( $user_id = 0, $scheme = 'admin' ) {
+	$user_id = $user_id ? (int) $user : get_current_user_id();
 
 	if ( is_user_admin() )
 		$url = user_admin_url( 'profile.php', $scheme );
 	elseif ( is_network_admin() )
 		$url = network_admin_url( 'profile.php', $scheme );
 	else
-		$url = get_dashboard_url( $user, 'profile.php', $scheme );
+		$url = get_dashboard_url( $user_id, 'profile.php', $scheme );
 
-	return apply_filters( 'edit_profile_url', $url, $user, $scheme);
+	return apply_filters( 'edit_profile_url', $url, $user_id, $scheme);
 }
 
 /**