diff --git a/app/src/main/res/values-ca@valencia/strings.xml b/app/src/main/res/values-ca@valencia/strings.xml
deleted file mode 100644
index 4d7d1b35..00000000
--- a/app/src/main/res/values-ca@valencia/strings.xml
+++ /dev/null
@@ -1,132 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<resources>
-    <string name="app_launcher_name">Calculadora</string>
-    <string name="scientific_calculator">Calculadora científica</string>
-    <string name="unit_converter">Convertidor d\'unitats</string>
-    <string name="swap_units">Intercanvia les unitats</string>
-    <string name="formula_divide_by_zero_error">Error: divisió per zero</string>
-    <string name="history">Historial</string>
-    <string name="history_empty">L\'historial està buit</string>
-    <string name="clear_history">Neteja</string>
-    <string name="history_cleared">S\'ha netejat l\'historial</string>
-    <string name="vibrate_on_button_press">Vibra en polsar els botons</string>
-    <string name="unit_length">Longitud</string>
-    <string name="unit_length_kilometer">Quilòmetre</string>
-    <string name="unit_length_meter">Metre</string>
-    <string name="unit_length_centimeter">Centímetre</string>
-    <string name="unit_length_millimeter">Mil·límetre</string>
-    <string name="unit_length_micrometer">Micròmetre</string>
-    <string name="unit_length_nanometer">Nanòmetre</string>
-    <string name="unit_length_angstrom">Àngstrom</string>
-    <string name="unit_length_mile">Milla</string>
-    <string name="unit_length_yard">Iarda</string>
-    <string name="unit_length_foot">Peu</string>
-    <string name="unit_length_inch">Polzada</string>
-    <string name="unit_length_fathom">Braça</string>
-    <string name="unit_length_nautical_mile">Milla nàutica</string>
-    <string name="unit_length_astronomical_unit">Unitat astronòmica</string>
-    <string name="unit_length_parsec">Pàrsec</string>
-    <string name="unit_length_light_year">Any llum</string>
-    <string name="unit_area">Àrea</string>
-    <string name="unit_area_square_kilometer">Quilòmetre quadrat</string>
-    <string name="unit_area_square_meter">Metre quadrat</string>
-    <string name="unit_area_square_centimeter">Centímetre quadrat</string>
-    <string name="unit_area_square_millimeter">Mil·límetre quadrat</string>
-    <string name="unit_area_square_mile">Milla quadrada</string>
-    <string name="unit_area_square_yard">Iarda quadrada</string>
-    <string name="unit_area_square_foot">Peu quadrat</string>
-    <string name="unit_area_square_inch">Polzada quadrada</string>
-    <string name="unit_area_acre">Acre</string>
-    <string name="unit_area_hectare">Hectàrea</string>
-    <string name="unit_volume">Volum</string>
-    <string name="unit_volume_cubic_meter">Metre cúbic</string>
-    <string name="unit_volume_cubic_decimeter">Decímetre cúbic</string>
-    <string name="unit_volume_cubic_centimeter">Centímetre cúbic</string>
-    <string name="unit_volume_cubic_millimeter">Mil·límetre cúbic</string>
-    <string name="unit_volume_liter">Litre</string>
-    <string name="unit_volume_centiliter">Centilitre</string>
-    <string name="unit_volume_deciliter">Decilitre</string>
-    <string name="unit_volume_milliliter">Mil·lilitre</string>
-    <string name="unit_volume_acre_foot">Acre peu</string>
-    <string name="unit_volume_cubic_foot">Peu cúbic</string>
-    <string name="unit_volume_cubic_inch">Polzada cúbica</string>
-    <string name="unit_volume_barrel_us">Barril (EUA)</string>
-    <string name="unit_volume_gallon_us">Galó (EUA)</string>
-    <string name="unit_volume_quart_us">Quart (EUA)</string>
-    <string name="unit_volume_pint_us">Pinta (EUA)</string>
-    <string name="unit_volume_legal_cup_us">Tassa legal (EUA)</string>
-    <string name="unit_volume_customary_cup_us">Tassa tradicional (EUA)</string>
-    <string name="unit_volume_gill_us">Gill (EUA)</string>
-    <string name="unit_volume_fluid_ounce_us">Unça fluida (EUA)</string>
-    <string name="unit_volume_barrel_imperial">Barril (Imperial)</string>
-    <string name="unit_volume_gallon_imperial">Galó (Imperial)</string>
-    <string name="unit_volume_quart_imperial">Quart (imperial)</string>
-    <string name="unit_volume_pint_imperial">Pinta (Imperial)</string>
-    <string name="unit_volume_gill_imperial">Gill (imperial)</string>
-    <string name="unit_volume_fluid_ounce_imperial">Unça fluida (Imperial)</string>
-    <string name="unit_mass">Massa</string>
-    <string name="unit_mass_gram">Gram</string>
-    <string name="unit_mass_kilogram">Quilogram</string>
-    <string name="unit_mass_milligram">Mil·ligram</string>
-    <string name="unit_mass_microgram">Microgram</string>
-    <string name="unit_mass_tonne">Tona</string>
-    <string name="unit_mass_pound">Lliura</string>
-    <string name="unit_mass_ounce">Unça</string>
-    <string name="unit_mass_grain">Gra</string>
-    <string name="unit_mass_dram">Dramma</string>
-    <string name="unit_mass_stone">Pedra</string>
-    <string name="unit_mass_long_ton">Tona llarga</string>
-    <string name="unit_mass_short_ton">Tona curta</string>
-    <string name="unit_mass_carat">Quirat</string>
-    <string name="unit_mass_carat_metric">Quirat (Mètric)</string>
-    <string name="unit_temperature">Temperatura</string>
-    <string name="unit_temperature_celsius">Celsius</string>
-    <string name="unit_temperature_fahrenheit">Fahrenheit</string>
-    <string name="unit_temperature_rankine">Rankine</string>
-    <string name="unit_temperature_kelvin">Kelvin</string>
-    <string name="unit_time">Temps</string>
-    <string name="unit_time_hour">Hora</string>
-    <string name="unit_time_minute">Minut</string>
-    <string name="unit_time_second">Segon</string>
-    <string name="unit_time_millisecond">Mil·lisegon</string>
-    <string name="unit_time_day">Dia</string>
-    <string name="unit_time_week">Setmana</string>
-    <string name="unit_time_year">Any</string>
-    <string name="unit_speed">Velocitat</string>
-    <string name="unit_speed_meter_per_second">Metre per segon</string>
-    <string name="unit_speed_kilometer_per_second">Quilòmetre per segon</string>
-    <string name="unit_speed_kilometer_per_hour">Quilòmetre per hora</string>
-    <string name="unit_speed_mile_per_hour">Milla per hora</string>
-    <string name="unit_speed_knot">Nus</string>
-    <string name="unit_speed_foot_per_second">Peu per segon</string>
-    <string name="unit_speed_mach">Mach</string>
-    <string name="unit_speed_speed_of_light">Velocitat de la llum</string>
-    <string name="unit_pressure">Pressió</string>
-    <string name="unit_pressure_pascal">Pascal</string>
-    <string name="unit_pressure_kilopascal">Quilopascal</string>
-    <string name="unit_pressure_megapascal">Megapascal</string>
-    <string name="unit_pressure_bar">Bar</string>
-    <string name="unit_pressure_millibar">Mil·libar</string>
-    <string name="unit_pressure_atmosphere">Atmosfera</string>
-    <string name="unit_pressure_psi">Lliura per polzada quadrada</string>
-    <string name="unit_pressure_torr">Torr</string>
-    <string name="unit_pressure_mmhg">Mil·límetre de mercuri</string>
-    <string name="unit_pressure_inhg">Polzada de mercuri</string>
-    <string name="unit_energy">Energia</string>
-    <string name="unit_energy_joule">Joule</string>
-    <string name="unit_energy_kilojoule">Quilojoule</string>
-    <string name="unit_energy_megajoule">Megajoule</string>
-    <string name="unit_energy_gigajoule">Gigajoule</string>
-    <string name="unit_energy_calorie">Caloria</string>
-    <string name="unit_energy_kilocalorie">Quilocaloria</string>
-    <string name="unit_energy_watt_hour">Watt hora</string>
-    <string name="unit_energy_kilowatt_hour">Quilowatt hora</string>
-    <string name="unit_energy_megawatt_hour">Megawatt hora</string>
-    <string name="unit_energy_electronvolt">Electró-volt</string>
-    <string name="unit_energy_btu">Unitat tèrmica britànica</string>
-    <string name="unit_energy_therm">Therm</string>
-    <string name="unit_energy_foot_pound">Peu-lliura</string>
-    <string name="unit_energy_erg">Erg</string>
-    <string name="faq_1_title">Com funciona el botó C (Esborra)?</string>
-    <string name="faq_1_text">En tocar-lo, s\'eliminarà un caràcter a la vegada. Si el polseu prolongadament, es reiniciaran tots els camps de cop.</string>
-</resources>