diff -up evolution-3.12.11/addressbook/gui/contact-editor/e-contact-editor.c.help-contents evolution-3.12.11/addressbook/gui/contact-editor/e-contact-editor.c
--- evolution-3.12.11/addressbook/gui/contact-editor/e-contact-editor.c.help-contents	2014-09-02 10:21:25.000000000 +0200
+++ evolution-3.12.11/addressbook/gui/contact-editor/e-contact-editor.c	2015-05-04 16:57:36.707723419 +0200
@@ -4302,6 +4302,11 @@ e_contact_editor_init (EContactEditor *e
 	g_signal_connect (
 		widget, "clicked",
 		G_CALLBACK (show_help_cb), e_contact_editor);
+	if (!e_misc_utils_is_help_package_installed ()) {
+		gtk_widget_set_sensitive (widget, FALSE);
+		gtk_widget_hide (widget);
+	}
+
 	widget = e_builder_get_widget (
 		e_contact_editor->priv->builder, "button-web-expand");
 	g_signal_connect_swapped (
diff -up evolution-3.12.11/calendar/gui/dialogs/comp-editor.c.help-contents evolution-3.12.11/calendar/gui/dialogs/comp-editor.c
--- evolution-3.12.11/calendar/gui/dialogs/comp-editor.c.help-contents	2014-04-23 14:36:23.000000000 +0200
+++ evolution-3.12.11/calendar/gui/dialogs/comp-editor.c	2015-05-04 16:57:36.708723419 +0200
@@ -2168,6 +2168,12 @@ comp_editor_init (CompEditor *editor)
 			G_BINDING_SYNC_CREATE);
 	}
 
+	action = gtk_action_group_get_action (action_group, "help");
+	if (action && !e_misc_utils_is_help_package_installed ()) {
+		gtk_action_set_visible (action, FALSE);
+		gtk_action_set_sensitive (action, FALSE);
+	}
+
 	action_group = gtk_action_group_new ("individual");
 	gtk_action_group_set_translation_domain (
 		action_group, GETTEXT_PACKAGE);
diff -up evolution-3.12.11/e-util/e-misc-utils.c.help-contents evolution-3.12.11/e-util/e-misc-utils.c
--- evolution-3.12.11/e-util/e-misc-utils.c.help-contents	2015-01-06 15:05:43.000000000 +0100
+++ evolution-3.12.11/e-util/e-misc-utils.c	2015-05-04 16:57:36.708723419 +0200
@@ -2402,6 +2402,23 @@ e_binding_transform_uid_to_source (GBind
 	return success;
 }
 
+gboolean
+e_misc_utils_is_help_package_installed (void)
+{
+	gboolean is_installed;
+	gchar *path;
+
+	/* Viewing user documentation requires the evolution-help
+	 * package. Look for one of the files it installs. */
+	path = g_build_filename (EVOLUTION_DATADIR, "help", "C", PACKAGE, "index.page", NULL);
+
+	is_installed = g_file_test (path, G_FILE_TEST_IS_REGULAR);
+
+	g_free (path);
+
+	return is_installed;
+}
+
 /**
  * e_binding_transform_text_non_null:
  * @binding: a #GBinding
diff -up evolution-3.12.11/e-util/e-misc-utils.h.help-contents evolution-3.12.11/e-util/e-misc-utils.h
--- evolution-3.12.11/e-util/e-misc-utils.h.help-contents	2015-01-06 15:05:43.000000000 +0100
+++ evolution-3.12.11/e-util/e-misc-utils.h	2015-05-04 16:57:36.708723419 +0200
@@ -213,6 +213,8 @@ gboolean	e_binding_transform_uid_to_sour
 						 GValue *target_value,
 						 ESourceRegistry *registry);
 
+gboolean	e_misc_utils_is_help_package_installed (void);
+
 gboolean	e_binding_transform_text_non_null
 						(GBinding *binding,
 						 const GValue *source_value,
diff -up evolution-3.12.11/e-util/e-preferences-window.c.help-contents evolution-3.12.11/e-util/e-preferences-window.c
--- evolution-3.12.11/e-util/e-preferences-window.c.help-contents	2014-03-24 10:25:23.000000000 +0100
+++ evolution-3.12.11/e-util/e-preferences-window.c	2015-05-04 16:57:36.709723419 +0200
@@ -385,6 +385,11 @@ e_preferences_window_init (EPreferencesW
 		GTK_BUTTON_BOX (container), widget, TRUE);
 	gtk_widget_show (widget);
 
+	if (!e_misc_utils_is_help_package_installed ()) {
+		gtk_widget_set_sensitive (widget, FALSE);
+		gtk_widget_hide (widget);
+	}
+
 	widget = e_dialog_button_new_with_icon ("window-close", _("_Close"));
 	g_signal_connect_swapped (
 		widget, "clicked",
diff -up evolution-3.12.11/e-util/e-send-options.c.help-contents evolution-3.12.11/e-util/e-send-options.c
--- evolution-3.12.11/e-util/e-send-options.c.help-contents	2014-04-23 14:36:24.000000000 +0200
+++ evolution-3.12.11/e-util/e-send-options.c	2015-05-04 16:57:36.709723419 +0200
@@ -439,6 +439,7 @@ get_widgets (ESendOptionsDialog *sod)
 {
 	ESendOptionsDialogPrivate *priv;
 	GtkBuilder *builder;
+	GtkWidget *helpbutton;
 
 	priv = sod->priv;
 	builder = sod->priv->builder;
@@ -478,6 +479,12 @@ get_widgets (ESendOptionsDialog *sod)
 	priv->accepted_label = e_builder_get_widget (builder, "accepted-label");
 	priv->completed_label = e_builder_get_widget (builder, "completed-label");
 
+	helpbutton = e_builder_get_widget (builder, "helpbutton1");
+	if (helpbutton && !e_misc_utils_is_help_package_installed ()) {
+		gtk_widget_set_sensitive (helpbutton, FALSE);
+		gtk_widget_hide (helpbutton);
+	}
+
 	return (priv->priority
 		&& priv->security
 		&& priv->status
diff -up evolution-3.12.11/plugins/email-custom-header/email-custom-header.c.help-contents evolution-3.12.11/plugins/email-custom-header/email-custom-header.c
--- evolution-3.12.11/plugins/email-custom-header/email-custom-header.c.help-contents	2014-03-24 10:25:23.000000000 +0100
+++ evolution-3.12.11/plugins/email-custom-header/email-custom-header.c	2015-05-04 16:57:36.709723419 +0200
@@ -118,6 +118,8 @@ static gboolean
 epech_get_widgets (CustomHeaderOptionsDialog *mch)
 {
 	CustomHeaderOptionsDialogPrivate *priv;
+	GtkWidget *helpbutton;
+
 	priv = mch->priv;
 
 #define EMAIL_CUSTOM_HEADER(name) e_builder_get_widget (priv->builder, name)
@@ -128,6 +130,13 @@ epech_get_widgets (CustomHeaderOptionsDi
 
 	priv->page = EMAIL_CUSTOM_HEADER ("email-custom-header-vbox");
 	priv->header_table = EMAIL_CUSTOM_HEADER ("email-custom-header-options");
+
+	helpbutton = EMAIL_CUSTOM_HEADER ("helpbutton1");
+	if (helpbutton && !e_misc_utils_is_help_package_installed ()) {
+		gtk_widget_set_sensitive (helpbutton, FALSE);
+		gtk_widget_hide (helpbutton);
+	}
+
 #undef EMAIL_CUSTOM_HEADER
 
 	return (priv->page
diff -up evolution-3.12.11/shell/e-shell-window-actions.c.help-contents evolution-3.12.11/shell/e-shell-window-actions.c
--- evolution-3.12.11/shell/e-shell-window-actions.c.help-contents	2014-10-23 15:21:26.000000000 +0200
+++ evolution-3.12.11/shell/e-shell-window-actions.c	2015-05-04 16:57:36.709723419 +0200
@@ -1457,6 +1457,11 @@ e_shell_window_actions_init (EShellWindo
 	if (path == NULL)
 		gtk_action_set_visible (ACTION (SUBMIT_BUG), FALSE);
 	g_free (path);
+
+	if (!e_misc_utils_is_help_package_installed ()) {
+		gtk_action_set_visible (ACTION (CONTENTS), FALSE);
+		gtk_action_set_sensitive (ACTION (CONTENTS), FALSE);
+	}
 }
 
 GtkWidget *