diff --git a/app/src/main/res/values-es/colors.xml b/app/src/main/res/values-es/colors.xml
deleted file mode 100644
index 391beba..0000000
--- a/app/src/main/res/values-es/colors.xml
+++ /dev/null
@@ -1,39 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<!--
-  ~ Copyright (c) 2019 Jannis Scheibe <jannis@tadris.de>
-  ~
-  ~ This file is part of FitoTrack
-  ~
-  ~ FitoTrack is free software: you can redistribute it and/or modify
-  ~     it under the terms of the GNU General Public License as published by
-  ~     the Free Software Foundation, either version 3 of the License, or
-  ~     (at your option) any later version.
-  ~
-  ~     FitoTrack is distributed in the hope that it will be useful,
-  ~     but WITHOUT ANY WARRANTY; without even the implied warranty of
-  ~     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-  ~     GNU General Public License for more details.
-  ~
-  ~     You should have received a copy of the GNU General Public License
-  ~     along with this program.  If not, see <http://www.gnu.org/licenses/>.
-  -->
-
-<resources>
-    <color name="colorPrimary">#FB8C00</color>
-    <color name="colorPrimaryDark">#EF6C00</color>
-
-    <color name="colorPrimaryRunning">#43A047</color>
-    <color name="colorPrimaryDarkRunning">#2E7D32</color>
-
-    <color name="colorPrimaryBicycling">#523220</color>
-    <color name="colorPrimaryDarkBicycling">#462A1D</color>
-
-    <color name="colorAccent">#4CAF50</color>
-    <color name="colorAccentDark">#2E7D32</color>
-
-    <color name="colorPrimaryHiking">#009688</color>
-    <color name="colorPrimaryDarkHiking">#007267</color>
-
-    <color name="textLighterBlack">#C8000000</color>
-    <color name="textColorLight">#C8414141</color>
-</resources>
diff --git a/app/src/main/res/values-es/map_layers.xml b/app/src/main/res/values-es/map_layers.xml
index 3f27230..27f2e3f 100644
--- a/app/src/main/res/values-es/map_layers.xml
+++ b/app/src/main/res/values-es/map_layers.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <!--
-  ~ Copyright (c) 2019 Jannis Scheibe <jannis@tadris.de>
+  ~ Copyright (c) 2020 Jannis Scheibe <jannis@tadris.de>
   ~
   ~ This file is part of FitoTrack
   ~
@@ -27,11 +27,4 @@
         <item>Cyclemap\nAcceso limitado</item>
     </string-array>
 
-    <string-array name="pref_map_layers_values">
-        <item>osm.mapnik</item>
-        <item>osm.humanitarian</item>
-        <item>thunderforest.outdoors</item>
-        <item>thunderforest.cycle</item>
-    </string-array>
-
 </resources>
\ No newline at end of file
diff --git a/app/src/main/res/values-es/styles.xml b/app/src/main/res/values-es/styles.xml
deleted file mode 100644
index 4e534d6..0000000
--- a/app/src/main/res/values-es/styles.xml
+++ /dev/null
@@ -1,62 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<!--
-  ~ Copyright (c) 2019 Jannis Scheibe <jannis@tadris.de>
-  ~
-  ~ This file is part of FitoTrack
-  ~
-  ~ FitoTrack is free software: you can redistribute it and/or modify
-  ~     it under the terms of the GNU General Public License as published by
-  ~     the Free Software Foundation, either version 3 of the License, or
-  ~     (at your option) any later version.
-  ~
-  ~     FitoTrack is distributed in the hope that it will be useful,
-  ~     but WITHOUT ANY WARRANTY; without even the implied warranty of
-  ~     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-  ~     GNU General Public License for more details.
-  ~
-  ~     You should have received a copy of the GNU General Public License
-  ~     along with this program.  If not, see <http://www.gnu.org/licenses/>.
-  -->
-
-<resources>
-
-    <style name="AppThemeNoActionbar" parent="android:Theme.Material.Light.NoActionBar">
-        <!-- Customize your theme here. -->
-        <item name="android:colorPrimary">@color/colorPrimary</item>
-        <item name="android:colorPrimaryDark">@color/colorPrimaryDark</item>
-        <item name="android:colorAccent">@color/colorAccent</item>
-
-    </style>
-
-    <!-- Base application theme. -->
-    <style name="AppTheme" parent="android:Theme.Material.Light.DarkActionBar">
-        <!-- Custom<color name="colorPrimaryBicycling">#523220</color>
-    <color name="colorPrimaryDarkBicycling">#462A1D</color>ize your theme here. -->
-        <item name="android:colorPrimary">@color/colorPrimary</item>
-        <item name="android:colorPrimaryDark">@color/colorPrimaryDark</item>
-        <item name="android:colorAccent">@color/colorAccent</item>
-
-    </style>
-
-    <!-- Base application theme. -->
-    <style name="Running" parent="AppTheme">
-        <!-- Customize your theme here. -->
-        <item name="android:colorPrimary">@color/colorPrimaryRunning</item>
-        <item name="android:colorPrimaryDark">@color/colorPrimaryDarkRunning</item>
-    </style>
-
-    <!-- Base application theme. -->
-    <style name="Bicycling" parent="AppTheme">
-        <!-- Customize your theme here. -->
-        <item name="android:colorPrimary">@color/colorPrimaryBicycling</item>
-        <item name="android:colorPrimaryDark">@color/colorPrimaryDarkBicycling</item>
-    </style>
-
-    <!-- Base application theme. -->
-    <style name="Hiking" parent="AppTheme">
-        <!-- Customize your theme here. -->
-        <item name="android:colorPrimary">@color/colorPrimaryHiking</item>
-        <item name="android:colorPrimaryDark">@color/colorPrimaryDarkHiking</item>
-    </style>
-
-</resources>
diff --git a/app/src/main/res/values-es/unit_systems.xml b/app/src/main/res/values-es/unit_systems.xml
index 4614670..c8525fa 100644
--- a/app/src/main/res/values-es/unit_systems.xml
+++ b/app/src/main/res/values-es/unit_systems.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <!--
-  ~ Copyright (c) 2019 Jannis Scheibe <jannis@tadris.de>
+  ~ Copyright (c) 2020 Jannis Scheibe <jannis@tadris.de>
   ~
   ~ This file is part of FitoTrack
   ~
@@ -27,11 +27,4 @@
         <item>Imperial con metros</item>
     </string-array>
 
-    <string-array name="pref_unit_system_values">
-        <item>1</item>
-        <item>2</item>
-        <item>3</item>
-        <item>4</item>
-    </string-array>
-
 </resources>
\ No newline at end of file
diff --git a/app/src/main/res/values/map_layers.xml b/app/src/main/res/values/map_layers.xml
index c3ffe21..081576f 100644
--- a/app/src/main/res/values/map_layers.xml
+++ b/app/src/main/res/values/map_layers.xml
@@ -26,11 +26,4 @@
         <item>Cyclemap\nLimited access</item>
     </string-array>
 
-    <string-array name="pref_map_layers_values">
-        <item>osm.mapnik</item>
-        <item>osm.humanitarian</item>
-        <item>thunderforest.outdoors</item>
-        <item>thunderforest.cycle</item>
-    </string-array>
-
 </resources>
\ No newline at end of file