diff --git a/data/language/english_uk.txt b/data/language/english_uk.txt
index 6f7217545d..ae5bb0e51a 100644
--- a/data/language/english_uk.txt
+++ b/data/language/english_uk.txt
@@ -842,7 +842,7 @@ STR_0837    :Unable to initialise graphics system
 STR_0838    :<not used anymore>
 STR_0839    :{UINT16} x {UINT16}
 STR_0840    :{POP16}{POP16}{POP16}{POP16}{POP16}{POP16}{POP16}{POP16}{UINT16} x {UINT16}
-# The follwing six strings were used for display resolutions, but have been replaced.
+# The following six strings were used for display resolutions, but have been replaced.
 STR_0841    :<not used anymore>
 STR_0842    :<not used anymore>
 STR_0843    :<not used anymore>
@@ -2321,10 +2321,10 @@ STR_2313    :{WINDOW_COLOUR_2}Nausea rating: {BLACK}{COMMA2DP32} (approx.)
 STR_2314    :{WINDOW_COLOUR_2}Ride length: {BLACK}{STRINGID}
 STR_2315    :{WINDOW_COLOUR_2}Cost: {BLACK}around {CURRENCY}
 STR_2316    :{WINDOW_COLOUR_2}Space required: {BLACK}{COMMA16} x {COMMA16} blocks
-STR_2317    :{WINDOW_COLOUR_2}Sound Quality:
-STR_2318    :Low
-STR_2319    :Medium
-STR_2320    :High
+STR_2317    :<not used anymore>
+STR_2318    :<not used anymore>
+STR_2319    :<not used anymore>
+STR_2320    :<not used anymore>
 STR_2321    :{WINDOW_COLOUR_2}Number of rides/attractions: {BLACK}{COMMA16}
 STR_2322    :{WINDOW_COLOUR_2}Staff: {BLACK}{COMMA16}
 STR_2323    :{WINDOW_COLOUR_2}Park size: {BLACK}{COMMA32}m{SQUARED}
@@ -3369,8 +3369,8 @@ STR_3358    :Can't delete track design...
 STR_3359    :{BLACK}No track designs of this type
 STR_3360    :Warning!
 STR_3361    :Too many track designs of this type - Some will not be listed.
-STR_3362    :Forced Software Buffer Mixing
-STR_3363    :{SMALLFONT}{BLACK}Select this option to improve performance if the game pauses slightly when sounds start or interference is heard
+STR_3362    :<not used anymore>
+STR_3363    :<not used anymore>
 STR_3364    :Advanced
 STR_3365    :{SMALLFONT}{BLACK}Allow selection of individual items of scenery in addition to scenery groups
 STR_3366    :{BLACK}= Ride
diff --git a/src/localisation/string_ids.h b/src/localisation/string_ids.h
index b0d85eefc4..a633436da5 100644
--- a/src/localisation/string_ids.h
+++ b/src/localisation/string_ids.h
@@ -983,10 +983,6 @@ enum {
 	STR_TRACK_LIST_COST_AROUND = 2315,
 	STR_TRACK_LIST_SPACE_REQUIRED = 2316,
 
-	STR_SOUND_QUALITY = 2317,
-	STR_SOUND_LOW = 2318,
-	STR_SOUND_MEDIUM = 2319,
-	STR_SOUND_HIGH = 2320,
 	STR_NUMBER_OF_RIDES_LABEL = 2321,
 	STR_STAFF_LABEL = 2322,
 	STR_PARK_SIZE_METRIC_LABEL = 2323,
@@ -1657,8 +1653,6 @@ enum {
 	STR_WARNING = 3360,
 	STR_TOO_MANY_TRACK_DESIGNS_OF_THIS_TYPE = 3361,
 
-	STR_SOUND_FORCED_SOFTWARE_BUFFER_MIXING = 3362,
-	STR_SOUND_FORCED_SOFTWARE_BUFFER_MIXING_TIP = 3363,
 	STR_OBJECT_SELECTION_ADVANCED = 3364,
 	STR_OBJECT_SELECTION_ADVANCED_TIP = 3365,