diff --git a/modules/ROOT/examples/live-demos/spellchecker/index.js b/modules/ROOT/examples/live-demos/spellchecker/index.js
index 7769778230..b3b3d0f3cb 100644
--- a/modules/ROOT/examples/live-demos/spellchecker/index.js
+++ b/modules/ROOT/examples/live-demos/spellchecker/index.js
@@ -11,7 +11,6 @@ tinymce.init({
     { title: 'English (United Kingdom)', code: 'en-GB' },
     { title: 'English (United States)', code: 'en-US' },
     { title: 'Medical English (US)', code: 'en-US', customCode: 'en-US-medical' },
-    { title: 'Medical English (UK)', code: 'en-GB', customCode: 'en-GB-medical' },
     { title: 'Danish', code: 'da' },
     { title: 'Dutch', code: 'nl-NL' },
     { title: 'Finnish', code: 'fi' },
diff --git a/modules/ROOT/partials/configuration/spellchecker_languages.adoc b/modules/ROOT/partials/configuration/spellchecker_languages.adoc
index c99335297c..d366506b6d 100644
--- a/modules/ROOT/partials/configuration/spellchecker_languages.adoc
+++ b/modules/ROOT/partials/configuration/spellchecker_languages.adoc
@@ -8,7 +8,7 @@ This option specifies the spellchecker languages that are available to the user,
 *Default value:*
 [source,js]
 ----
-'English (United States)=en-US,English (United Kingdom)=en-GB,Danish=da,Dutch=nl,Finnish=fi,French=fr,German=de,Italian=it,Norwegian Bokmål=nb-NO,Norwegian Nynorsk=nn,Brazilian Portuguese=pt-BR,Portuguese=pt,Portuguese (Portugal)=pt-PT,Spanish=es,Swedish=sv,Swedish (Finland)=sv-FI,Afrikaans (South Africa)=af-ZA,English (Australia)=en-AU,English (Canada)=en-CA,English (United Kingdom)=en-GB,English (United States)=en-US,Medical English (US)=en-US-medical,Medical English (UK)=en-GB-medical,Maori (New Zealand)=mi-NZ'
+'English (United States)=en-US,English (United Kingdom)=en-GB,Danish=da,Dutch=nl,Finnish=fi,French=fr,German=de,Italian=it,Norwegian Bokmål=nb-NO,Norwegian Nynorsk=nn,Brazilian Portuguese=pt-BR,Portuguese=pt,Portuguese (Portugal)=pt-PT,Spanish=es,Swedish=sv,Swedish (Finland)=sv-FI,Afrikaans (South Africa)=af-ZA,English (Australia)=en-AU,English (Canada)=en-CA,English (United Kingdom)=en-GB,English (United States)=en-US,Medical English (US)=en-US-medical,Maori (New Zealand)=mi-NZ'
 ----
 
 
@@ -19,6 +19,6 @@ This option specifies the spellchecker languages that are available to the user,
 tinymce.init({
   selector: 'textarea',
   plugins: 'tinymcespellchecker',
-  spellchecker_languages: 'US English=en-US,UK English=en-GB,Danish=da,Dutch=nl,Finnish=fi,French=fr,German=de,Italian=it,Norwegian Bokmål=nb-NO,Norwegian Nynorsk=nn,Brazilian Portuguese=pt-BR,Portuguese=pt,Portuguese (Portugal)=pt-PT,Spanish=es,Swedish=sv,Swedish (Finland)=sv-FI,Afrikaans (South Africa)=af-ZA,English (Australia)=en-AU,English (Canada)=en-CA,English (United Kingdom)=en-GB,English (United States)=en-US,Medical English (US)=en-US-medical,Medical English (UK)=en-GB-medical,Maori (New Zealand)=mi-NZ'
+  spellchecker_languages: 'US English=en-US,UK English=en-GB,Danish=da,Dutch=nl,Finnish=fi,French=fr,German=de,Italian=it,Norwegian Bokmål=nb-NO,Norwegian Nynorsk=nn,Brazilian Portuguese=pt-BR,Portuguese=pt,Portuguese (Portugal)=pt-PT,Spanish=es,Swedish=sv,Swedish (Finland)=sv-FI,Afrikaans (South Africa)=af-ZA,English (Australia)=en-AU,English (Canada)=en-CA,English (United Kingdom)=en-GB,English (United States)=en-US,Medical English (US)=en-US-medical,Maori (New Zealand)=mi-NZ'
 });
 ----
\ No newline at end of file
diff --git a/modules/ROOT/partials/misc/spellchecker-languages.adoc b/modules/ROOT/partials/misc/spellchecker-languages.adoc
index 9646c60be1..707b30d592 100644
--- a/modules/ROOT/partials/misc/spellchecker-languages.adoc
+++ b/modules/ROOT/partials/misc/spellchecker-languages.adoc
@@ -12,7 +12,6 @@ The following languages are supported for the Spell Checker plugin. All of the l
 |English (United Kingdom) |en-GB, en-UK, en-BR |{tick} |{tick}
 |English (United States) |en, en-US |{tick} |{tick}
 |Medical English (US) |en-medical, en-US-medical |{tick} |{tick}
-|Medical English (UK) |en-GB-medical |{tick} |{cross}
 |Danish |da |{tick} |{tick}
 |Dutch |nl, nl-NL |{tick} |{tick}
 |Finnish |fi |{tick} |{cross}
diff --git a/modules/ROOT/partials/plugins/spellchecker-content_langs.adoc b/modules/ROOT/partials/plugins/spellchecker-content_langs.adoc
index 25de405a34..8109297d3d 100644
--- a/modules/ROOT/partials/plugins/spellchecker-content_langs.adoc
+++ b/modules/ROOT/partials/plugins/spellchecker-content_langs.adoc
@@ -28,7 +28,6 @@ tinymce.init({
     { title: 'English (United Kingdom)', code: 'en-GB' },
     { title: 'English (United States)', code: 'en-US' },
     { title: 'Medical English (US)', code: 'en-US', customCode: 'en-US-medical' },
-    { title: 'Medical English (UK)', code: 'en-GB', customCode: 'en-GB-medical' },
     { title: 'Danish', code: 'da' },
     { title: 'Dutch', code: 'nl-NL' },
     { title: 'Finnish', code: 'fi' },