diff --git a/radio/src/translations/tts_en.cpp b/radio/src/translations/tts_en.cpp
index f35691641..9670b596f 100644
--- a/radio/src/translations/tts_en.cpp
+++ b/radio/src/translations/tts_en.cpp
@@ -44,35 +44,8 @@ enum EnglishPrompts {
   EN_PROMPT_AND = EN_PROMPT_NUMBERS_BASE+110,
   EN_PROMPT_MINUS = EN_PROMPT_NUMBERS_BASE+111,
   EN_PROMPT_POINT = EN_PROMPT_NUMBERS_BASE+112,
-
   EN_PROMPT_UNITS_BASE = 115,
-  EN_PROMPT_VOLTS = EN_PROMPT_UNITS_BASE+UNIT_VOLTS, //(one)volt,(two)volts
-  EN_PROMPT_AMPS = EN_PROMPT_UNITS_BASE+(UNIT_AMPS*2),
-  EN_PROMPT_METERS_PER_SECOND = EN_PROMPT_UNITS_BASE+(UNIT_METERS_PER_SECOND*2),
-  EN_PROMPT_SPARE1 = EN_PROMPT_UNITS_BASE+(UNIT_RAW*2),
-  EN_PROMPT_KMH = EN_PROMPT_UNITS_BASE+(UNIT_SPEED*2),
-  EN_PROMPT_METERS = EN_PROMPT_UNITS_BASE+(UNIT_DIST*2),
-  EN_PROMPT_DEGREES = EN_PROMPT_UNITS_BASE+(UNIT_TEMPERATURE*2),
-  EN_PROMPT_PERCENT = EN_PROMPT_UNITS_BASE+(UNIT_PERCENT*2),
-  EN_PROMPT_MILLIAMPS = EN_PROMPT_UNITS_BASE+(UNIT_MILLIAMPS*2),
-  EN_PROMPT_MAH = EN_PROMPT_UNITS_BASE+(UNIT_MAH*2),
-  EN_PROMPT_WATTS = EN_PROMPT_UNITS_BASE+(UNIT_WATTS*2),
-  EN_PROMPT_DB = EN_PROMPT_UNITS_BASE+(UNIT_DBM*2),
-  EN_PROMPT_FEET = EN_PROMPT_UNITS_BASE+(UNIT_FEET*2),
-  EN_PROMPT_MPH = EN_PROMPT_UNITS_BASE+(UNIT_KTS*2),
-  EN_PROMPT_HOURS = EN_PROMPT_UNITS_BASE+(UNIT_HOURS*2),
-  EN_PROMPT_MINUTES = EN_PROMPT_UNITS_BASE+(UNIT_MINUTES*2),
-  EN_PROMPT_SECONDS = EN_PROMPT_UNITS_BASE+(UNIT_SECONDS*2),
-  EN_PROMPT_RPMS = EN_PROMPT_UNITS_BASE+(UNIT_RPMS*2),
-  EN_PROMPT_G = EN_PROMPT_UNITS_BASE+(UNIT_G*2),
-#if defined(CPUARM)
-  EN_PROMPT_MILLILITERS = EN_PROMPT_UNITS_BASE+(UNIT_MILLILITERS*2),
-  EN_PROMPT_FLOZ = EN_PROMPT_UNITS_BASE+(UNIT_FLOZ*2),
-  EN_PROMPT_FEET_PER_SECOND = EN_PROMPT_UNITS_BASE+(UNIT_FEET_PER_SECOND*2),
-#endif
-
   EN_PROMPT_POINT_BASE = 165, //.0 - .9
-
 };
 
 #if defined(VOICE)
diff --git a/radio/util/tts.py b/radio/util/tts.py
index b955cad15..e5804085d 100644
--- a/radio/util/tts.py
+++ b/radio/util/tts.py
@@ -133,8 +133,7 @@ def ttsEn():
         systemSounds.append((str(100*(i+1)), filename(PROMPT_SYSTEM_BASE+100+i)))
     for i, s in enumerate(["thousand", "and", "minus", "point"]):
         systemSounds.append((s, filename(PROMPT_SYSTEM_BASE+109+i)))
-    for i, s in enumerate(["", "",
-                           "volt", "volts",
+    for i, s in enumerate(["volt", "volts",
                            "amp", "amps",
                            "milliamp", "milliamps",
                            "knot", "knots",