diff --git a/gajim/common/config.py b/gajim/common/config.py
index aac305c57..27701df42 100644
--- a/gajim/common/config.py
+++ b/gajim/common/config.py
@@ -209,7 +209,6 @@ class Config:
         'tabs_always_visible': [opt_bool, False, _('Show tab when only one conversation?')],
         'tabs_border': [opt_bool, False, _('Show tabbed notebook border in chat windows?')],
         'tabs_close_button': [opt_bool, True, _('Show close button in tab?')],
-        'esession_modp': [opt_str, '15,16,14', _('A list of modp groups to use in a Diffie-Hellman, highest preference first, separated by commas. Valid groups are 1, 2, 5, 14, 15, 16, 17 and 18. Higher numbers are more secure, but take longer to calculate when you start a session.')],
         'tooltip_status_online_color': [opt_color, '#73D216'],
         'tooltip_status_free_for_chat_color': [opt_color, '#3465A4'],
         'tooltip_status_away_color': [opt_color, '#EDD400'],
diff --git a/gajim/data/gui/esession_info_window.ui b/gajim/data/gui/esession_info_window.ui
deleted file mode 100644
index 627f224a7..000000000
--- a/gajim/data/gui/esession_info_window.ui
+++ /dev/null
@@ -1,162 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<!-- Generated with glade 3.18.3 -->
-<interface>
-  <requires lib="gtk+" version="3.12"/>
-  <object class="GtkDialog" id="esession_info_window">
-    <property name="can_focus">False</property>
-    <property name="events">GDK_POINTER_MOTION_MASK | GDK_POINTER_MOTION_HINT_MASK | GDK_BUTTON_PRESS_MASK | GDK_BUTTON_RELEASE_MASK</property>
-    <property name="border_width">5</property>
-    <property name="window_position">center-on-parent</property>
-    <property name="type_hint">dialog</property>
-    <child internal-child="vbox">
-      <object class="GtkBox" id="dialog-vbox1">
-        <property name="visible">True</property>
-        <property name="can_focus">False</property>
-        <property name="orientation">vertical</property>
-        <property name="spacing">2</property>
-        <child internal-child="action_area">
-          <object class="GtkButtonBox" id="dialog-action_area1">
-            <property name="visible">True</property>
-            <property name="can_focus">False</property>
-            <property name="layout_style">end</property>
-            <child>
-              <object class="GtkButton" id="verify_now_button">
-                <property name="use_action_appearance">False</property>
-                <property name="visible">True</property>
-                <property name="can_focus">True</property>
-                <property name="receives_default">False</property>
-                <signal name="clicked" handler="on_verify_now_button_clicked" swapped="no"/>
-                <child>
-                  <object class="GtkBox" id="hbox3">
-                    <property name="visible">True</property>
-                    <property name="can_focus">False</property>
-                    <property name="spacing">2</property>
-                    <child>
-                      <object class="GtkImage" id="image2">
-                        <property name="visible">True</property>
-                        <property name="can_focus">False</property>
-                        <property name="stock">gtk-apply</property>
-                      </object>
-                      <packing>
-                        <property name="expand">False</property>
-                        <property name="fill">False</property>
-                        <property name="position">0</property>
-                      </packing>
-                    </child>
-                    <child>
-                      <object class="GtkLabel" id="button_label">
-                        <property name="visible">True</property>
-                        <property name="can_focus">False</property>
-                        <property name="label" translatable="yes">_Verify</property>
-                        <property name="use_underline">True</property>
-                      </object>
-                      <packing>
-                        <property name="expand">False</property>
-                        <property name="fill">False</property>
-                        <property name="position">1</property>
-                      </packing>
-                    </child>
-                  </object>
-                </child>
-              </object>
-              <packing>
-                <property name="expand">False</property>
-                <property name="fill">False</property>
-                <property name="position">0</property>
-              </packing>
-            </child>
-            <child>
-              <object class="GtkButton" id="close_button3">
-                <property name="label">gtk-close</property>
-                <property name="use_action_appearance">False</property>
-                <property name="visible">True</property>
-                <property name="can_focus">True</property>
-                <property name="receives_default">False</property>
-                <property name="use_stock">True</property>
-                <signal name="clicked" handler="on_close_button_clicked" swapped="no"/>
-              </object>
-              <packing>
-                <property name="expand">False</property>
-                <property name="fill">False</property>
-                <property name="position">1</property>
-              </packing>
-            </child>
-          </object>
-          <packing>
-            <property name="expand">False</property>
-            <property name="fill">True</property>
-            <property name="pack_type">end</property>
-            <property name="position">0</property>
-          </packing>
-        </child>
-        <child>
-          <object class="GtkBox" id="title-hbox">
-            <property name="visible">True</property>
-            <property name="can_focus">False</property>
-            <child>
-              <object class="GtkImage" id="security_image">
-                <property name="width_request">32</property>
-                <property name="height_request">32</property>
-                <property name="visible">True</property>
-                <property name="can_focus">False</property>
-              </object>
-              <packing>
-                <property name="expand">False</property>
-                <property name="fill">True</property>
-                <property name="position">0</property>
-              </packing>
-            </child>
-            <child>
-              <object class="GtkLabel" id="verification_status_label">
-                <property name="visible">True</property>
-                <property name="can_focus">False</property>
-                <property name="xalign">0</property>
-              </object>
-              <packing>
-                <property name="expand">True</property>
-                <property name="fill">True</property>
-                <property name="position">1</property>
-              </packing>
-            </child>
-          </object>
-          <packing>
-            <property name="expand">False</property>
-            <property name="fill">True</property>
-            <property name="position">1</property>
-          </packing>
-        </child>
-        <child>
-          <object class="GtkBox" id="hbox4">
-            <property name="visible">True</property>
-            <property name="can_focus">False</property>
-            <property name="spacing">4</property>
-            <child>
-              <object class="GtkLabel" id="info_display">
-                <property name="visible">True</property>
-                <property name="can_focus">False</property>
-                <property name="label" translatable="yes">(&lt;b&gt;ESession&lt;/b&gt; info)</property>
-                <property name="use_markup">True</property>
-                <property name="wrap">True</property>
-              </object>
-              <packing>
-                <property name="expand">False</property>
-                <property name="fill">False</property>
-                <property name="padding">10</property>
-                <property name="position">0</property>
-              </packing>
-            </child>
-          </object>
-          <packing>
-            <property name="expand">False</property>
-            <property name="fill">False</property>
-            <property name="position">2</property>
-          </packing>
-        </child>
-      </object>
-    </child>
-    <action-widgets>
-      <action-widget response="-10">verify_now_button</action-widget>
-      <action-widget response="-7">close_button3</action-widget>
-    </action-widgets>
-  </object>
-</interface>