diff --git a/icu4c/source/common/uloc.c b/icu4c/source/common/uloc.c
index e4d9394e3c3..6a5b2583629 100644
--- a/icu4c/source/common/uloc.c
+++ b/icu4c/source/common/uloc.c
@@ -51,7 +51,7 @@ U_CFUNC const char *locale_get_default(void);
 static const char _kLocaleID[]       = "LocaleID";
 static const char _kLanguages[]      = "Languages";
 static const char _kCountries[]      = "Countries";
-static const char _kIndexLocaleName[] = "index";
+static const char _kIndexLocaleName[] = "res_index";
 static const char _kIndexTag[]       = "InstalledLocales";
 
 #if 0
diff --git a/icu4c/source/data/locales/index.txt b/icu4c/source/data/locales/index.txt
deleted file mode 100644
index f445ea1796f..00000000000
--- a/icu4c/source/data/locales/index.txt
+++ /dev/null
@@ -1,288 +0,0 @@
-// ***************************************************************************
-// *
-// *   Copyright (C) 1997-2002, International Business Machines
-// *   Corporation and others.  All Rights Reserved.
-// *
-// ***************************************************************************
-
-// Experimental locales are commented out
-
-index {
-    InstalledLocales {
-        af,
-        af_ZA,
-//        am,
-//        am_ET,
-        ar,
-        ar_AE,
-        ar_BH,
-        ar_DZ,
-        ar_EG,
-        ar_IN,
-        ar_IQ,
-        ar_JO,
-        ar_KW,
-        ar_LB,
-        ar_LY,
-        ar_MA,
-        ar_OM,
-        ar_QA,
-        ar_SA,
-        ar_SD,
-        ar_SY,
-        ar_TN,
-        ar_YE,
-//        az,
-//        az_AZ,
-        be,
-        be_BY,
-        bg,
-        bg_BG,
-        bn,
-        bn_IN,
-        ca,
-        ca_ES,
-        ca_ES_PREEURO,
-        cs,
-        cs_CZ,
-        da,
-        da_DK,
-        de,
-        de__PHONEBOOK,
-        de_AT,
-        de_AT_PREEURO,
-        de_BE,
-        de_CH,
-        de_DE,
-        de_DE_PREEURO,
-//        de_LI,
-        de_LU,
-        de_LU_PREEURO,
-//        div,
-//        div_MV,
-        el,
-        el_GR,
-        el_GR_PREEURO,
-        en,
-//        en_AS,
-        en_AU,
-        en_BE,
-        en_BE_PREEURO,
-        en_BW,
-//        en_BZ,
-        en_CA,
-        en_GB,
-        en_GB_EURO,
-//        en_GU,
-        en_HK,
-        en_IE,
-        en_IE_PREEURO,
-        en_IN,
-//        en_JM,
-//        en_MH,
-//        en_MP,
-        en_MT,
-        en_NZ,
-        en_PH,
-        en_SG,
-//        en_TT,
-//        en_UM,
-        en_US,
-        en_US_POSIX,
-        en_VI,
-        en_ZA,
-        en_ZW,
-        eo,
-        es,
-        es__TRADITIONAL,
-        es_AR,
-        es_BO,
-        es_CL,
-        es_CO,
-        es_CR,
-        es_DO,
-        es_EC,
-        es_ES,
-        es_ES_PREEURO,
-        es_GT,
-        es_HN,
-        es_MX,
-        es_NI,
-        es_PA,
-        es_PE,
-        es_PR,
-        es_PY,
-        es_SV,
-        es_US,
-        es_UY,
-        es_VE,
-        et,
-        et_EE,
-        eu,
-        eu_ES,
-        eu_ES_PREEURO,
-        fa,
-        fa_IN,
-        fa_IR,
-        fi,
-        fi_FI,
-        fi_FI_PREEURO,
-        fo,
-        fo_FO,
-        fr,
-        fr_BE,
-        fr_BE_PREEURO,
-        fr_CA,
-        fr_CH,
-        fr_FR,
-        fr_FR_PREEURO,
-        fr_LU,
-        fr_LU_PREEURO,
-//        fr_MC,
-        ga,
-        ga_IE,
-        ga_IE_PREEURO,
-        gl,
-        gl_ES,
-        gl_ES_PREEURO,
-//        gu,
-//        gu_IN,
-        gv,
-        gv_GB,
-        he,
-        he_IL,
-        hi,
-        hi__DIRECT,
-        hi_IN,
-        hr,
-        hr_HR,
-        hu,
-        hu_HU,
-//        hy,
-//        hy_AM,
-//        hy_AM_REVISED,
-        id,
-        id_ID,
-        is,
-        is_IS,
-        it,
-        it_CH,
-        it_IT,
-        it_IT_PREEURO,
-        ja,
-        ja_JP,
-//        ka,
-//        ka_GE,
-//        kk,
-//        kk_KZ,
-        kl,
-        kl_GL,
-//        kn,
-//        kn_IN,
-        ko,
-        ko_KR,
-        kok,
-        kok_IN,
-        kw,
-        kw_GB,
-//        ky,
-//        ky_KG,
-        lt,
-        lt_LT,
-        lv,
-        lv_LV,
-        mk,
-        mk_MK,
-//        mn,
-//        mn_MN,
-        mr,
-        mr_IN,
-//        ms,
-//        ms_MY,
-        mt,
-        mt_MT,
-        nb,
-        nb_NO,
-        nl,
-        nl_BE,
-        nl_BE_PREEURO,
-        nl_NL,
-        nl_NL_PREEURO,
-        nn,
-        nn_NO,
-//        no,   // split into nn and nb locales
-//        no_NO,
-//        no_NO_NY,
-//        om,
-//        om_ET,
-//        om_KE,
-//        pa,
-//        pa_IN,
-        pl,
-        pl_PL,
-        pt,
-        pt_BR,
-        pt_PT,
-        pt_PT_PREEURO,
-        ro,
-        ro_RO,
-        ru,
-        ru_RU,
-        ru_UA,
-//        sa,
-//        sa_IN,
-        sh,
-        sh_YU,
-        sk,
-        sk_SK,
-        sl,
-        sl_SI,
-//        so,
-//        so_DJ,
-//        so_ET,
-//        so_KE,
-//        so_SO,
-        sq,
-        sq_AL,
-        sr,
-        sr_YU,
-//        syr,
-//        syr_SY,
-        sv,
-        sv_FI,
-        sv_FI_AL,   // fallback to sv_FI
-        sv_SE,
-        sw,
-        sw_KE,
-        sw_TZ,
-        ta,
-        ta_IN,
-        te,
-        te_IN,
-        th,
-        th_TH,
-//        ti,
-//        ti_ER,
-//        ti_ET,
-        tr,
-        tr_TR,
-//        tt,
-//        tt_RU,
-        uk,
-        uk_UA,
-//        ur,
-//        ur_PK,
-//        uz,
-//        uz_UZ,
-        vi,
-        vi_VN,
-        zh,
-        zh__PINYIN,
-        zh_CN,
-        zh_HK,
-        zh_MO,
-        zh_SG,
-        zh_TW,
-        zh_TW_STROKE,
-    }
-}