diff --git a/icu4c/source/data/locales/af.txt b/icu4c/source/data/locales/af.txt
index 520455786b..eb0050ad6c 100644
--- a/icu4c/source/data/locales/af.txt
+++ b/icu4c/source/data/locales/af.txt
@@ -138,7 +138,6 @@ af{
         VC{"Saint Vincent en die Grenadine"}
         VN{"Viëtnam"}
         YE{"Jemen"}
-        YU{"Serwië"}
         ZA{"Suid-Afrika"}
         ZM{"Zambië"}
     }
diff --git a/icu4c/source/data/locales/am.txt b/icu4c/source/data/locales/am.txt
index 633640bde6..77e7d5c90a 100644
--- a/icu4c/source/data/locales/am.txt
+++ b/icu4c/source/data/locales/am.txt
@@ -135,7 +135,6 @@ am{
         VG{"የእንግሊዝ ድንግል ደሴቶች"}
         VI{"የአሜሪካ ቨርጂን ደሴቶች"}
         YE{"የመን"}
-        YU{"ዩጎዝላቪያ"}
         ZA{"ደቡብ አፍሪካ"}
         ZM{"ዛምቢያ"}
     }
diff --git a/icu4c/source/data/locales/bg.txt b/icu4c/source/data/locales/bg.txt
index a7eac1d005..4f1c3707a7 100644
--- a/icu4c/source/data/locales/bg.txt
+++ b/icu4c/source/data/locales/bg.txt
@@ -246,7 +246,6 @@ bg{
         WS{"Самоа"}
         YE{"Йемен"}
         YT{"Мейот"}
-        YU{"Югославия"}
         ZA{"Южна Африка"}
         ZM{"Замбия"}
         ZW{"Зимбабве"}
@@ -268,10 +267,6 @@ bg{
             "Af",
             "Афганистански афган",
         }
-        ALK{
-            "ALK",
-            "Албански лек (1946-1961)",
-        }
         ALL{
             "lek",
             "Албански лек",
diff --git a/icu4c/source/data/locales/ca.txt b/icu4c/source/data/locales/ca.txt
index 5a0f3cce1b..26b07f50ea 100644
--- a/icu4c/source/data/locales/ca.txt
+++ b/icu4c/source/data/locales/ca.txt
@@ -202,7 +202,6 @@ ca{
         VU{"Vanuatu"}
         YE{"Iemen"}
         YT{"Mayotte"}
-        YU{"Iugoslàvia"}
         ZA{"Sud-àfrica"}
         ZM{"Zàmbia"}
         ZW{"Zimbabwe"}
diff --git a/icu4c/source/data/locales/cs.txt b/icu4c/source/data/locales/cs.txt
index 65f86f126c..193ae4ab9d 100644
--- a/icu4c/source/data/locales/cs.txt
+++ b/icu4c/source/data/locales/cs.txt
@@ -246,7 +246,6 @@ cs{
         WS{"Samoa"}
         YE{"Jemen"}
         YT{"Mayotte"}
-        YU{"Jugoslávie"}
         ZA{"Jižní Afrika"}
         ZM{"Zambie"}
         ZW{"Zimbabwe"}
@@ -268,10 +267,6 @@ cs{
             "Af",
             "Afghán",
         }
-        ALK{
-            "ALK",
-            "Lek (1946-1961)",
-        }
         ALL{
             "lek",
             "Lek",
@@ -464,10 +459,6 @@ cs{
             "Ch$",
             "Peso chilské",
         }
-        CNX{
-            "CNX",
-            "Dolar lidové banky",
-        }
         CNY{
             "Y",
             "Juan renminbi",
diff --git a/icu4c/source/data/locales/da.txt b/icu4c/source/data/locales/da.txt
index 9d260583f7..2b89cd433c 100644
--- a/icu4c/source/data/locales/da.txt
+++ b/icu4c/source/data/locales/da.txt
@@ -246,7 +246,6 @@ da{
         WS{"Samoa"}
         YE{"Yemen"}
         YT{"Mayotte"}
-        YU{"Jugoslavien"}
         ZA{"Sydafrika"}
         ZM{"Zambia"}
         ZW{"Zimbabwe"}
@@ -260,10 +259,6 @@ da{
             "AED",
             "Dirham fra de Forenede Arabiske Emirater",
         }
-        ALK{
-            "ALK",
-            "Albansk lek (1946-1961)",
-        }
         ALL{
             "lek",
             "Albansk lek",
diff --git a/icu4c/source/data/locales/de.txt b/icu4c/source/data/locales/de.txt
index a0229eaa5e..2b61a98d84 100644
--- a/icu4c/source/data/locales/de.txt
+++ b/icu4c/source/data/locales/de.txt
@@ -246,7 +246,6 @@ de{
         WS{"Samoa"}
         YE{"Jemen"}
         YT{"Mayotte"}
-        YU{"Jugoslawien"}
         ZA{"Südafrika"}
         ZM{"Sambia"}
         ZW{"Simbabwe"}
@@ -268,10 +267,6 @@ de{
             "Af",
             "Afghani",
         }
-        ALK{
-            "ALK",
-            "Albanischer Lek (1946-1961)",
-        }
         ALL{
             "ALL",
             "Lek",
diff --git a/icu4c/source/data/locales/el.txt b/icu4c/source/data/locales/el.txt
index d94cfa9f46..89efd8d82a 100644
--- a/icu4c/source/data/locales/el.txt
+++ b/icu4c/source/data/locales/el.txt
@@ -245,7 +245,6 @@ el{
         WS{"Σαμόα"}
         YE{"Υεμένη"}
         YT{"Μαγιότ"}
-        YU{"Γιουγκοσλαβία"}
         ZA{"Νότια Αφρική"}
         ZM{"Ζάμπια"}
         ZW{"Ζιμπάμπουε"}
@@ -259,10 +258,6 @@ el{
             "AED",
             "Ντιράμ Ηνωμένων Αραβικών Εμιράτων",
         }
-        ALK{
-            "ALK",
-            "Λεκ Αλβανίας (1946-1961)",
-        }
         ALL{
             "lek",
             "Λεκ Αλβανίας",
@@ -451,10 +446,6 @@ el{
             "Ch$",
             "Πέσο Χιλής",
         }
-        CNX{
-            "CNX",
-            "Πιστοποιητικά Ξένου Συναλλάγματος σε Δολάρια ΗΠΑ, Κίνας",
-        }
         CNY{
             "Y",
             "Yuan Renminbi Κίνας",
diff --git a/icu4c/source/data/locales/en.txt b/icu4c/source/data/locales/en.txt
index ecb27b5966..cd1609b649 100644
--- a/icu4c/source/data/locales/en.txt
+++ b/icu4c/source/data/locales/en.txt
@@ -246,7 +246,6 @@ en{
         WS{"Samoa"}
         YE{"Yemen"}
         YT{"Mayotte"}
-        YU{"Yugoslavia"}
         ZA{"South Africa"}
         ZM{"Zambia"}
         ZW{"Zimbabwe"}
@@ -268,10 +267,6 @@ en{
             "Af",
             "Afghani",
         }
-        ALK{
-            "ALK",
-            "Albanian Lek (1946-1961)",
-        }
         ALL{
             "lek",
             "Albanian Lek",
@@ -464,10 +459,6 @@ en{
             "Ch$",
             "Chilean Peso",
         }
-        CNX{
-            "CNX",
-            "Chinese US Dollar Foreign Exchange Certificates",
-        }
         CNY{
             "Y",
             "Chinese Yuan Renminbi",
diff --git a/icu4c/source/data/locales/eo.txt b/icu4c/source/data/locales/eo.txt
index 63274a55a9..3c4d0ce189 100644
--- a/icu4c/source/data/locales/eo.txt
+++ b/icu4c/source/data/locales/eo.txt
@@ -232,7 +232,6 @@ eo{
         WS{"Samoo"}
         YE{"Jemeno"}
         YT{"Majoto"}
-        YU{"Serbujo"}
         ZA{"Sud-Afriko"}
         ZM{"Zambio"}
         ZW{"Zimbabvo"}
diff --git a/icu4c/source/data/locales/es.txt b/icu4c/source/data/locales/es.txt
index fa8c93179f..8fd6ba4c8c 100644
--- a/icu4c/source/data/locales/es.txt
+++ b/icu4c/source/data/locales/es.txt
@@ -246,7 +246,6 @@ es{
         WS{"Samoa"}
         YE{"Yemen"}
         YT{"Mayotte"}
-        YU{"Yugoslavia"}
         ZA{"Sudáfrica"}
         ZM{"Zambia"}
         ZW{"Zimbabue"}
@@ -268,10 +267,6 @@ es{
             "Af",
             "afgani",
         }
-        ALK{
-            "ALK",
-            "lek albanés (1946-1961)",
-        }
         ALL{
             "lek",
             "lek albanés",
@@ -464,10 +459,6 @@ es{
             "Ch$",
             "peso chileno",
         }
-        CNX{
-            "CNX",
-            "certificados de cambio chinos en dólares estadounidenses",
-        }
         CNY{
             "Y",
             "yuan renminbi chino",
diff --git a/icu4c/source/data/locales/et.txt b/icu4c/source/data/locales/et.txt
index 8d5f831501..a14ab1ea40 100644
--- a/icu4c/source/data/locales/et.txt
+++ b/icu4c/source/data/locales/et.txt
@@ -246,7 +246,6 @@ et{
         WS{"Samoa"}
         YE{"Jeemen"}
         YT{"Mayotte"}
-        YU{"Jugoslaavia"}
         ZA{"Lõuna-Aafrika Vabariik"}
         ZM{"Sambia"}
         ZW{"Zimbabwe"}
diff --git a/icu4c/source/data/locales/fa.txt b/icu4c/source/data/locales/fa.txt
index 30a378fab7..6c8252716b 100644
--- a/icu4c/source/data/locales/fa.txt
+++ b/icu4c/source/data/locales/fa.txt
@@ -243,7 +243,6 @@ fa{
         WS{"ساموا"}
         YE{"یمن"}
         YT{"مایوت"}
-        YU{"یوگسلاوی"}
         ZA{"افریقای جنوبی"}
         ZM{"زامبیا"}
         ZW{"زیمبابوه"}
diff --git a/icu4c/source/data/locales/fa_AF.txt b/icu4c/source/data/locales/fa_AF.txt
index 66402d67d5..68d995c9b4 100644
--- a/icu4c/source/data/locales/fa_AF.txt
+++ b/icu4c/source/data/locales/fa_AF.txt
@@ -103,7 +103,6 @@ fa_AF{
         VC{"سنت وینسنت و گرینادین"}
         VE{"ونزویلا"}
         WS{"ساموآی غربی"}
-        YU{"یوگوسلاویا"}
         ZW{"زیمبابوی"}
     }
     Languages{
diff --git a/icu4c/source/data/locales/fi.txt b/icu4c/source/data/locales/fi.txt
index a80d7d4e53..3a24dc408d 100644
--- a/icu4c/source/data/locales/fi.txt
+++ b/icu4c/source/data/locales/fi.txt
@@ -246,7 +246,6 @@ fi{
         WS{"Samoa"}
         YE{"Jemen"}
         YT{"Mayotte"}
-        YU{"Jugoslavia"}
         ZA{"Etelä-Afrikka"}
         ZM{"Sambia"}
         ZW{"Zimbabwe"}
@@ -268,10 +267,6 @@ fi{
             "Af",
             "Afgaani",
         }
-        ALK{
-            "ALK",
-            "Albanian lek (1946-1961)",
-        }
         ALL{
             "lek",
             "Albanian lek",
@@ -464,10 +459,6 @@ fi{
             "Ch$",
             "Chilen peso",
         }
-        CNX{
-            "CNX",
-            "Kiinan US-dollarin FEC",
-        }
         CNY{
             "Y",
             "Kiinan yuan renminbi",
diff --git a/icu4c/source/data/locales/fr.txt b/icu4c/source/data/locales/fr.txt
index ba2758d712..fc973140c7 100644
--- a/icu4c/source/data/locales/fr.txt
+++ b/icu4c/source/data/locales/fr.txt
@@ -245,7 +245,6 @@ fr{
         WS{"Samoa"}
         YE{"Yémen"}
         YT{"Mayotte"}
-        YU{"Yougoslavie"}
         ZA{"Afrique du Sud"}
         ZM{"Zambie"}
         ZW{"Zimbabwe"}
@@ -267,10 +266,6 @@ fr{
             "Af",
             "afghani",
         }
-        ALK{
-            "ALK",
-            "lek albanais (1946-1961)",
-        }
         ALL{
             "lek",
             "lek albanais",
@@ -463,10 +458,6 @@ fr{
             "CLP",
             "peso chilien",
         }
-        CNX{
-            "CNX",
-            "dollar US chinois (certificat de devises étrangères)",
-        }
         CNY{
             "CNY",
             "Yuan Ren-min-bi",
diff --git a/icu4c/source/data/locales/ga.txt b/icu4c/source/data/locales/ga.txt
index 603d2f5ede..16b489eb22 100644
--- a/icu4c/source/data/locales/ga.txt
+++ b/icu4c/source/data/locales/ga.txt
@@ -244,7 +244,6 @@ ga{
         WS{"Samó"}
         YE{"Éimin"}
         YT{"Mayotte"}
-        YU{"An Iúgslaiv"}
         ZA{"An Afraic Theas"}
         ZM{"An tSaimbia"}
         ZW{"An tSiombáib"}
@@ -266,10 +265,6 @@ ga{
             "Af",
             "Afgainí",
         }
-        ALK{
-            "ALK",
-            "Lek Albánach (1946-1961)",
-        }
         ALL{
             "lek",
             "Lek Albánach",
@@ -462,10 +457,6 @@ ga{
             "Ch$",
             "Peso na Sile",
         }
-        CNX{
-            "CNX",
-            "Teastais Airgeadraí Dollar SAM Síneach",
-        }
         CNY{
             "Y",
             "Yuan Renminbi Síneach",
diff --git a/icu4c/source/data/locales/he.txt b/icu4c/source/data/locales/he.txt
index f70c067ae9..1cf60b46e4 100644
--- a/icu4c/source/data/locales/he.txt
+++ b/icu4c/source/data/locales/he.txt
@@ -246,7 +246,6 @@ he{
         WS{"סמואה"}
         YE{"תימן"}
         YT{"מיוטה"}
-        YU{"יוגוסלביה"}
         ZA{"דרום אפריקה"}
         ZM{"זמביה"}
         ZW{"זימבבווה"}
diff --git a/icu4c/source/data/locales/hr.txt b/icu4c/source/data/locales/hr.txt
index 282a0f841a..2f10d1b92c 100644
--- a/icu4c/source/data/locales/hr.txt
+++ b/icu4c/source/data/locales/hr.txt
@@ -246,16 +246,11 @@ hr{
         WS{"Samoa"}
         YE{"Jemen"}
         YT{"Majote"}
-        YU{"Jugoslavija"}
         ZA{"Južna Afrika"}
         ZM{"Zambija"}
         ZW{"Zimbabve"}
     }
     Currencies{
-        ALK{
-            "ALK",
-            "Albanski lek (1946-1961)",
-        }
         ALL{
             "lek",
             "Albanski lek",
diff --git a/icu4c/source/data/locales/hu.txt b/icu4c/source/data/locales/hu.txt
index 8788bb9e7e..d2a08ab531 100644
--- a/icu4c/source/data/locales/hu.txt
+++ b/icu4c/source/data/locales/hu.txt
@@ -246,7 +246,6 @@ hu{
         WS{"Szamoa"}
         YE{"Jemen"}
         YT{"Mayotte"}
-        YU{"Jugoszlávia"}
         ZA{"Dél-Afrika"}
         ZM{"Zambia"}
         ZW{"Zimbabwe"}
@@ -268,10 +267,6 @@ hu{
             "Af",
             "Afghani",
         }
-        ALK{
-            "ALK",
-            "Albán lek (1946-1961)",
-        }
         ALL{
             "lek",
             "Albán lek",
@@ -464,10 +459,6 @@ hu{
             "Ch$",
             "Chilei peso",
         }
-        CNX{
-            "CNX",
-            "Kínai USA dollár konvertibilis valuta",
-        }
         CNY{
             "Y",
             "Kínai jüan renminbi",
diff --git a/icu4c/source/data/locales/hy.txt b/icu4c/source/data/locales/hy.txt
index 6a57780217..5411585e95 100644
--- a/icu4c/source/data/locales/hy.txt
+++ b/icu4c/source/data/locales/hy.txt
@@ -199,7 +199,6 @@ hy{
         VU{"Վանուատու"}
         WS{"Սամոա"}
         YE{"Եմեն"}
-        YU{"Սերբիա"}
         ZA{"Հարավային Աֆրիկա"}
         ZM{"Զամբիա"}
         ZW{"Զիմբաբվե"}
diff --git a/icu4c/source/data/locales/id.txt b/icu4c/source/data/locales/id.txt
index 3a6f4b2dbf..3fcb6f8c1c 100644
--- a/icu4c/source/data/locales/id.txt
+++ b/icu4c/source/data/locales/id.txt
@@ -241,7 +241,6 @@ id{
         WS{"Samoa"}
         YE{"Yaman"}
         YT{"Mayotte"}
-        YU{"Yugoslavia"}
         ZA{"Afrika Selatan"}
         ZM{"Zambia"}
         ZW{"Zimbabwe"}
diff --git a/icu4c/source/data/locales/is.txt b/icu4c/source/data/locales/is.txt
index 2701da6de9..dd741a94f1 100644
--- a/icu4c/source/data/locales/is.txt
+++ b/icu4c/source/data/locales/is.txt
@@ -244,7 +244,6 @@ is{
         WS{"Samóa"}
         YE{"Jemen"}
         YT{"Mayotte"}
-        YU{"Júgóslavía"}
         ZA{"Suður-Afríka"}
         ZM{"Sambía"}
     }
@@ -257,10 +256,6 @@ is{
             "AED",
             "Arabískt dírham",
         }
-        ALK{
-            "ALK",
-            "Lek (1946-1961)",
-        }
         ALL{
             "lek",
             "Lek",
@@ -357,10 +352,6 @@ is{
             "Ch$",
             "Chileskur pesi",
         }
-        CNX{
-            "CNX",
-            "Kínverskt gjaldeyrisskírteini í Bandaríkjadölum",
-        }
         CNY{
             "Y",
             "Júan",
diff --git a/icu4c/source/data/locales/it.txt b/icu4c/source/data/locales/it.txt
index 83565e0d06..edd5201193 100644
--- a/icu4c/source/data/locales/it.txt
+++ b/icu4c/source/data/locales/it.txt
@@ -245,7 +245,6 @@ it{
         WS{"Samoa"}
         YE{"Yemen"}
         YT{"Mayotte"}
-        YU{"Yugoslavia"}
         ZA{"Sud Africa"}
         ZM{"Zambia"}
         ZW{"Zimbabwe"}
@@ -267,10 +266,6 @@ it{
             "Af",
             "Afgani",
         }
-        ALK{
-            "ALK",
-            "Lek Albanese (1946-1961)",
-        }
         ALL{
             "lek",
             "Lek Albanese",
@@ -463,10 +458,6 @@ it{
             "CLP",
             "Peso Cileno",
         }
-        CNX{
-            "CNX",
-            "Certificati di cambio esteri cinesi in dollari statunitensi",
-        }
         CNY{
             "CNY",
             "Renmimbi Cinese",
diff --git a/icu4c/source/data/locales/ja.txt b/icu4c/source/data/locales/ja.txt
index 8f3045c436..cf661b98b4 100644
--- a/icu4c/source/data/locales/ja.txt
+++ b/icu4c/source/data/locales/ja.txt
@@ -246,7 +246,6 @@ ja{
         WS{"西サモア"}
         YE{"イエメン"}
         YT{"マヨット島"}
-        YU{"ユーゴスラビア"}
         ZA{"南アフリカ"}
         ZM{"ザンビア"}
         ZW{"ジンバブエ"}
@@ -268,10 +267,6 @@ ja{
             "Af",
             "アフガニー",
         }
-        ALK{
-            "ALK",
-            "アルバニア レク (1946-1961)",
-        }
         ALL{
             "ALL",
             "アルバニア レク",
@@ -460,10 +455,6 @@ ja{
             "CLP",
             "チリ ペソ",
         }
-        CNX{
-            "CNX",
-            "中国 米ドル (FEC)",
-        }
         CNY{
             "CNY",
             "中国人民元",
diff --git a/icu4c/source/data/locales/ko.txt b/icu4c/source/data/locales/ko.txt
index ef3e6c458a..f1877c7ae0 100644
--- a/icu4c/source/data/locales/ko.txt
+++ b/icu4c/source/data/locales/ko.txt
@@ -246,7 +246,6 @@ ko{
         WS{"사모아"}
         YE{"예멘"}
         YT{"마요티"}
-        YU{"유고슬라비아"}
         ZA{"남아프리카"}
         ZM{"잠비아"}
         ZW{"짐바브웨"}
@@ -268,10 +267,6 @@ ko{
             "AFN",
             "아프가니",
         }
-        ALK{
-            "ALK",
-            "알바니아 레크 (1946-1961)",
-        }
         ALL{
             "ALL",
             "알바니아 레크",
diff --git a/icu4c/source/data/locales/lt.txt b/icu4c/source/data/locales/lt.txt
index 8476033524..18557b8040 100644
--- a/icu4c/source/data/locales/lt.txt
+++ b/icu4c/source/data/locales/lt.txt
@@ -245,7 +245,6 @@ lt{
         WS{"Samoa"}
         YE{"Jemenas"}
         YT{"Majotė"}
-        YU{"Jugoslavija"}
         ZA{"Pietų Afrika"}
         ZM{"Zambija"}
         ZW{"Zimbabvė"}
diff --git a/icu4c/source/data/locales/lv.txt b/icu4c/source/data/locales/lv.txt
index 677ff57a3d..94f2b6265f 100644
--- a/icu4c/source/data/locales/lv.txt
+++ b/icu4c/source/data/locales/lv.txt
@@ -245,7 +245,6 @@ lv{
         WS{"Samoa"}
         YE{"Jemena"}
         YT{"Majota"}
-        YU{"Dienvidslāvija"}
         ZA{"Dienvidāfrika"}
         ZM{"Zambija"}
         ZW{"Zimbabve"}
diff --git a/icu4c/source/data/locales/mk.txt b/icu4c/source/data/locales/mk.txt
index d02532c2d8..38111185ca 100644
--- a/icu4c/source/data/locales/mk.txt
+++ b/icu4c/source/data/locales/mk.txt
@@ -245,7 +245,6 @@ mk{
         WS{"Самоа"}
         YE{"Јемен"}
         YT{"Мајоте"}
-        YU{"Југославија"}
         ZA{"Јужна Африка"}
         ZM{"Замбија"}
         ZW{"Зимбабве"}
@@ -267,10 +266,6 @@ mk{
             "Af",
             "Авгани",
         }
-        ALK{
-            "ALK",
-            "Албански лек (1946-1961)",
-        }
         ALL{
             "lek",
             "Албански Лек",
diff --git a/icu4c/source/data/locales/ms.txt b/icu4c/source/data/locales/ms.txt
index 30ad46f854..e6c2f9d305 100644
--- a/icu4c/source/data/locales/ms.txt
+++ b/icu4c/source/data/locales/ms.txt
@@ -246,7 +246,6 @@ ms{
         WS{"Samoa"}
         YE{"Yaman"}
         YT{"Mayotte"}
-        YU{"Yugoslavia"}
         ZA{"Afrika Selatan"}
         ZM{"Zambia"}
         ZW{"Zimbabwe"}
diff --git a/icu4c/source/data/locales/mt.txt b/icu4c/source/data/locales/mt.txt
index 0f8d024c58..e2ceaad1cd 100644
--- a/icu4c/source/data/locales/mt.txt
+++ b/icu4c/source/data/locales/mt.txt
@@ -246,7 +246,6 @@ mt{
         WS{"Samoa"}
         YE{"Jemen"}
         YT{"Majotte"}
-        YU{"Jugoslavja"}
         ZA{"Afrika t'Isfel"}
         ZM{"Żambja"}
         ZW{"Żimbabwe"}
diff --git a/icu4c/source/data/locales/nb.txt b/icu4c/source/data/locales/nb.txt
index d812993334..d4f45af228 100644
--- a/icu4c/source/data/locales/nb.txt
+++ b/icu4c/source/data/locales/nb.txt
@@ -246,7 +246,6 @@ nb{
         WS{"Samoa"}
         YE{"Yemen"}
         YT{"Mayotte"}
-        YU{"Jugoslavia"}
         ZA{"Sør-Afrika"}
         ZM{"Zambia"}
         ZW{"Zimbabwe"}
@@ -268,10 +267,6 @@ nb{
             "Af",
             "Afghani",
         }
-        ALK{
-            "ALK",
-            "Albanske lek (1946-1961)",
-        }
         ALL{
             "lek",
             "Albanske lek",
@@ -464,10 +459,6 @@ nb{
             "Ch$",
             "Chilenske pesos",
         }
-        CNX{
-            "CNX",
-            "Kinesiske US dollar (FEC)",
-        }
         CNY{
             "Y",
             "Kinesiske Yuan Renminbi",
diff --git a/icu4c/source/data/locales/nl.txt b/icu4c/source/data/locales/nl.txt
index 8f6c8b0a29..ee2d801b72 100644
--- a/icu4c/source/data/locales/nl.txt
+++ b/icu4c/source/data/locales/nl.txt
@@ -246,7 +246,6 @@ nl{
         WS{"Samoa"}
         YE{"Jemen"}
         YT{"Mayotte"}
-        YU{"Joegoslavië"}
         ZA{"Zuid-Afrika"}
         ZM{"Zambia"}
         ZW{"Zimbabwe"}
@@ -268,10 +267,6 @@ nl{
             "Af",
             "Afghani",
         }
-        ALK{
-            "ALK",
-            "Albanese lek (1946-1961)",
-        }
         ALL{
             "lek",
             "Albanese lek",
@@ -464,10 +459,6 @@ nl{
             "Ch$",
             "Chileense peso",
         }
-        CNX{
-            "CNX",
-            "Chinese Amerikaanse-dollarwisselcertificaten",
-        }
         CNY{
             "Y",
             "Chinese yuan renminbi",
diff --git a/icu4c/source/data/locales/nn.txt b/icu4c/source/data/locales/nn.txt
index ba01347f63..57cd0f3d29 100644
--- a/icu4c/source/data/locales/nn.txt
+++ b/icu4c/source/data/locales/nn.txt
@@ -246,7 +246,6 @@ nn{
         WS{"Samoa"}
         YE{"Yemen"}
         YT{"Mayotte"}
-        YU{"Jugoslavia"}
         ZA{"Sør-Afrika"}
         ZM{"Zambia"}
         ZW{"Zimbabwe"}
diff --git a/icu4c/source/data/locales/pl.txt b/icu4c/source/data/locales/pl.txt
index 552c58c24c..2a36888ea7 100644
--- a/icu4c/source/data/locales/pl.txt
+++ b/icu4c/source/data/locales/pl.txt
@@ -246,7 +246,6 @@ pl{
         WS{"Samoa"}
         YE{"Jemen"}
         YT{"Majotta"}
-        YU{"Jugosławia"}
         ZA{"Afryka Południowa"}
         ZM{"Zambia"}
         ZW{"Zimbabwe"}
@@ -268,10 +267,6 @@ pl{
             "Af",
             "afgani",
         }
-        ALK{
-            "ALK",
-            "lek albański (1946-1961)",
-        }
         ALL{
             "lek",
             "lek albański",
@@ -452,10 +447,6 @@ pl{
             "Ch$",
             "peso chilijskie",
         }
-        CNX{
-            "CNX",
-            "dolar chiński dla transakcji zagranicznych",
-        }
         CNY{
             "Y",
             "juan renminbi",
diff --git a/icu4c/source/data/locales/pt.txt b/icu4c/source/data/locales/pt.txt
index 9a8e6eca09..80183cc4ce 100644
--- a/icu4c/source/data/locales/pt.txt
+++ b/icu4c/source/data/locales/pt.txt
@@ -246,7 +246,6 @@ pt{
         WS{"Samoa"}
         YE{"Iêmen"}
         YT{"Mayotte"}
-        YU{"Iugoslávia"}
         ZA{"África do Sul"}
         ZM{"Zâmbia"}
         ZW{"Zimbábwe"}
@@ -460,10 +459,6 @@ pt{
             "CLP",
             "Peso chileno",
         }
-        CNX{
-            "CNX",
-            "Certificados de câmbio chineses em dólares dos EUA",
-        }
         CNY{
             "CNY",
             "Yuan Renminbi chinês",
diff --git a/icu4c/source/data/locales/pt_PT.txt b/icu4c/source/data/locales/pt_PT.txt
index e7d710a4d3..89e3aa2030 100644
--- a/icu4c/source/data/locales/pt_PT.txt
+++ b/icu4c/source/data/locales/pt_PT.txt
@@ -66,7 +66,6 @@ pt_PT{
         VI{"Ilhas Virgin E.U.A."}
         VN{"Vietname"}
         YE{"Iémen"}
-        YU{"Jugoslávia"}
     }
     Currencies{
         PTE{
diff --git a/icu4c/source/data/locales/ro.txt b/icu4c/source/data/locales/ro.txt
index 0a9ef179ce..a83549c178 100644
--- a/icu4c/source/data/locales/ro.txt
+++ b/icu4c/source/data/locales/ro.txt
@@ -245,7 +245,6 @@ ro{
         WS{"Samoa"}
         YE{"Yemen"}
         YT{"Mayotte"}
-        YU{"Iugoslavia"}
         ZA{"Africa de Sud"}
         ZM{"Zambia"}
         ZW{"Zimbabwe"}
diff --git a/icu4c/source/data/locales/ru.txt b/icu4c/source/data/locales/ru.txt
index 3c0df25023..f0595665a6 100644
--- a/icu4c/source/data/locales/ru.txt
+++ b/icu4c/source/data/locales/ru.txt
@@ -246,7 +246,6 @@ ru{
         WS{"Самоа"}
         YE{"Йемен"}
         YT{"Майотта"}
-        YU{"Югославия"}
         ZA{"Южная Африка"}
         ZM{"Замбия"}
         ZW{"Зимбабве"}
diff --git a/icu4c/source/data/locales/sk.txt b/icu4c/source/data/locales/sk.txt
index ddc18d186e..d5aab94d4e 100644
--- a/icu4c/source/data/locales/sk.txt
+++ b/icu4c/source/data/locales/sk.txt
@@ -246,7 +246,6 @@ sk{
         WS{"Samoa"}
         YE{"Jemen"}
         YT{"Mayotte"}
-        YU{"Juhoslávia"}
         ZA{"Južná Afrika"}
         ZM{"Zambia"}
         ZW{"Zimbabwe"}
@@ -260,10 +259,6 @@ sk{
             "AED",
             "UAE dirham",
         }
-        ALK{
-            "ALK",
-            "Albánsky lek (1946-1961)",
-        }
         ALL{
             "lek",
             "Albánsky lek",
@@ -452,10 +447,6 @@ sk{
             "Ch$",
             "Čílske peso",
         }
-        CNX{
-            "CNX",
-            "Čínsky certifikáty v US dolároch",
-        }
         CNY{
             "Y",
             "Čínsky Yuan Renminbi",
diff --git a/icu4c/source/data/locales/sl.txt b/icu4c/source/data/locales/sl.txt
index cfe7d36108..5d6356309a 100644
--- a/icu4c/source/data/locales/sl.txt
+++ b/icu4c/source/data/locales/sl.txt
@@ -246,7 +246,6 @@ sl{
         WS{"Samoa"}
         YE{"Jemen"}
         YT{"Mayotte"}
-        YU{"Jugoslavija"}
         ZA{"Južna Afrika"}
         ZM{"Zambija"}
         ZW{"Zimbabve"}
diff --git a/icu4c/source/data/locales/sq.txt b/icu4c/source/data/locales/sq.txt
index 018bbbc479..1260c9619b 100644
--- a/icu4c/source/data/locales/sq.txt
+++ b/icu4c/source/data/locales/sq.txt
@@ -159,7 +159,6 @@ sq{
         VC{"Saint Vincent e Grenadinet"}
         VE{"Venezuelë"}
         YE{"Jemen"}
-        YU{"Serbië"}
         ZA{"Afrika e Jugut"}
         ZM{"Zambi"}
         ZW{"Zimbabve"}
diff --git a/icu4c/source/data/locales/sv.txt b/icu4c/source/data/locales/sv.txt
index 503fbba66d..5122cf07b6 100644
--- a/icu4c/source/data/locales/sv.txt
+++ b/icu4c/source/data/locales/sv.txt
@@ -246,7 +246,6 @@ sv{
         WS{"Samoa"}
         YE{"Jemen"}
         YT{"Mayotte"}
-        YU{"Jugoslavien"}
         ZA{"Sydafrika"}
         ZM{"Zambia"}
         ZW{"Zimbabwe"}
@@ -260,10 +259,6 @@ sv{
             "AED",
             "Förenade arabemiratens dirham",
         }
-        ALK{
-            "ALK",
-            "Albansk lek (1946-1961)",
-        }
         ALL{
             "lek",
             "Albansk lek",
@@ -452,10 +447,6 @@ sv{
             "Ch$",
             "Chilensk peso",
         }
-        CNX{
-            "CNX",
-            "Kinesisk USA-dollar Foreign Exchange Certificates",
-        }
         CNY{
             "Y",
             "Kinesisk yuan renminbi",
diff --git a/icu4c/source/data/locales/th.txt b/icu4c/source/data/locales/th.txt
index 65ad947c18..75ed13e449 100644
--- a/icu4c/source/data/locales/th.txt
+++ b/icu4c/source/data/locales/th.txt
@@ -213,7 +213,6 @@ th{
         WS{"ซามัว"}
         YE{"เยเมน"}
         YT{"มายอต"}
-        YU{"ยูโกสลาเวีย"}
         ZA{"แอฟริกาใต้"}
         ZM{"แซมเบีย"}
         ZW{"ซิมบาบเว"}
diff --git a/icu4c/source/data/locales/tr.txt b/icu4c/source/data/locales/tr.txt
index bfea76427c..3800fd1f00 100644
--- a/icu4c/source/data/locales/tr.txt
+++ b/icu4c/source/data/locales/tr.txt
@@ -246,7 +246,6 @@ tr{
         WS{"Samoa"}
         YE{"Yemen"}
         YT{"Mayotte"}
-        YU{"Yugoslavya"}
         ZA{"Güney Afrika"}
         ZM{"Zambiya"}
         ZW{"Zimbabwe"}
@@ -268,10 +267,6 @@ tr{
             "Af",
             "Afganistan Afganisi",
         }
-        ALK{
-            "ALK",
-            "Arnavutluk Leki (1946-1961)",
-        }
         ALL{
             "lek",
             "Arnavutluk Leki",
@@ -464,10 +459,6 @@ tr{
             "Ch$",
             "Şili Pezosu",
         }
-        CNX{
-            "CNX",
-            "Çin ABD Doları FEC",
-        }
         CNY{
             "Y",
             "Çin Yuanı Renminbi",
diff --git a/icu4c/source/data/locales/uk.txt b/icu4c/source/data/locales/uk.txt
index 04e89820fd..93af720a67 100644
--- a/icu4c/source/data/locales/uk.txt
+++ b/icu4c/source/data/locales/uk.txt
@@ -246,7 +246,6 @@ uk{
         WS{"Самоа"}
         YE{"Ємен"}
         YT{"Майот"}
-        YU{"Югославія"}
         ZA{"ПАР"}
         ZM{"Замбія"}
         ZW{"Зімбабве"}
@@ -268,10 +267,6 @@ uk{
             "Af",
             "Афгані",
         }
-        ALK{
-            "ALK",
-            "Албанський лек (1946-1961)",
-        }
         ALL{
             "lek",
             "Албанський лек",
diff --git a/icu4c/source/data/locales/vi.txt b/icu4c/source/data/locales/vi.txt
index 87f79c3d8d..9d08528108 100644
--- a/icu4c/source/data/locales/vi.txt
+++ b/icu4c/source/data/locales/vi.txt
@@ -193,7 +193,6 @@ vi{
         VU{"Va-nu-a-tu"}
         WS{"Xa-moa"}
         YE{"Y-ê-men"}
-        YU{"Nam Tư"}
         ZA{"Nam Phi"}
         ZM{"Dăm-bi-a"}
         ZW{"Dim-ba-bu-ê"}
diff --git a/icu4c/source/data/locales/zh.txt b/icu4c/source/data/locales/zh.txt
index 5d73389fbe..493d0aa451 100644
--- a/icu4c/source/data/locales/zh.txt
+++ b/icu4c/source/data/locales/zh.txt
@@ -246,7 +246,6 @@ zh{
         WS{"萨摩亚"}
         YE{"也门"}
         YT{"马约特"}
-        YU{"南斯拉夫"}
         ZA{"南非"}
         ZM{"赞比亚"}
         ZW{"津巴布韦"}
@@ -268,10 +267,6 @@ zh{
             "AFN",
             "阿富汗尼",
         }
-        ALK{
-            "ALK",
-            "阿尔巴尼亚列克 (1946-1961)",
-        }
         ALL{
             "ALL",
             "阿尔巴尼亚列克",
@@ -456,10 +451,6 @@ zh{
             "CLP",
             "智利 比索",
         }
-        CNX{
-            "CNX",
-            "中国美元外汇券",
-        }
         CNY{
             "¥",
             "人民币",
diff --git a/icu4c/source/data/locales/zh_Hant.txt b/icu4c/source/data/locales/zh_Hant.txt
index c4e877490a..6ff053e916 100644
--- a/icu4c/source/data/locales/zh_Hant.txt
+++ b/icu4c/source/data/locales/zh_Hant.txt
@@ -210,7 +210,6 @@ zh_Hant{
         WS{"薩摩亞群島"}
         YE{"葉門"}
         YT{"馬約特"}
-        YU{"塞爾維亞"}
         ZM{"尚比亞"}
         ZW{"辛巴威"}
     }
@@ -223,10 +222,6 @@ zh_Hant{
             "AED",
             "阿拉伯聯合大公國迪爾汗",
         }
-        ALK{
-            "ALK",
-            "阿爾巴尼亞列克 (1946-1961)",
-        }
         ALL{
             "ALL",
             "阿爾巴尼亞列克",
@@ -411,10 +406,6 @@ zh_Hant{
             "CLP",
             "智利披索",
         }
-        CNX{
-            "CNX",
-            "中國美元外匯券",
-        }
         CNY{
             "¥",
             "人民幣",
diff --git a/icu4c/source/test/testdata/structLocale.txt b/icu4c/source/test/testdata/structLocale.txt
index 4b5b630ddf..c9e5e6938b 100644
--- a/icu4c/source/test/testdata/structLocale.txt
+++ b/icu4c/source/test/testdata/structLocale.txt
@@ -60,6 +60,7 @@ structLocale{
         AT{""}
         AU{""}
         AW{""}
+        AX{""}
         AZ{""}
         BA{""}
         BB{""}
@@ -311,10 +312,6 @@ structLocale{
             "",
             "",
         }
-        ALK{
-            "",
-            "",
-        }
         ALL{
             "",
             "",
@@ -607,10 +604,6 @@ structLocale{
             "",
             "",
         }
-        CNX{
-            "",
-            "",
-        }
         CNY{
             "",
             "",