diff --git a/icu4c/source/common/locdispnames.cpp b/icu4c/source/common/locdispnames.cpp
index f9427e87c8a..cc6340c29da 100644
--- a/icu4c/source/common/locdispnames.cpp
+++ b/icu4c/source/common/locdispnames.cpp
@@ -427,285 +427,6 @@ uloc_getDisplayVariant(const char *locale,
                 uloc_getVariant, _kVariants, pErrorCode);
 }
 
-/* TODO:dougfelt remove */
-U_CAPI int32_t U_EXPORT2
-uloc_getDisplayNameOld(const char *locale,
-                    const char *displayLocale,
-                    UChar *dest, int32_t destCapacity,
-                    UErrorCode *pErrorCode)
-{
-    int32_t length, length2, length3 = 0;
-    UBool hasLanguage, hasScript, hasCountry, hasVariant, hasKeywords;
-    UEnumeration* keywordEnum = NULL;
-    int32_t keywordCount = 0;
-    const char *keyword = NULL;
-    int32_t keywordLen = 0;
-    char keywordValue[256];
-    int32_t keywordValueLen = 0;
-
-    int32_t locSepLen = 0;
-    int32_t locPatLen = 0;
-    int32_t p0Len = 0;
-    int32_t defaultPatternLen = 9;
-    const UChar *dispLocSeparator;
-    const UChar *dispLocPattern;
-    static const UChar defaultSeparator[3] = { 0x002c, 0x0020 , 0x0000 }; /* comma + space */
-    static const UChar defaultPattern[10] = { 0x007b, 0x0030, 0x007d, 0x0020, 0x0028, 0x007b, 0x0031, 0x007d, 0x0029, 0x0000 }; /* {0} ({1}) */
-    static const UChar pat0[4] = { 0x007b, 0x0030, 0x007d , 0x0000 } ; /* {0} */
-    static const UChar pat1[4] = { 0x007b, 0x0031, 0x007d , 0x0000 } ; /* {1} */
-    
-    UResourceBundle *bundle = NULL;
-    UResourceBundle *locdsppat = NULL;
-    
-    UErrorCode status = U_ZERO_ERROR;
-
-    /* argument checking */
-    if(pErrorCode==NULL || U_FAILURE(*pErrorCode)) {
-        return 0;
-    }
-
-    if(destCapacity<0 || (destCapacity>0 && dest==NULL)) {
-        *pErrorCode=U_ILLEGAL_ARGUMENT_ERROR;
-        return 0;
-    }
-
-    bundle    = ures_open(U_ICUDATA_LANG, displayLocale, &status);
-
-    locdsppat = ures_getByKeyWithFallback(bundle, _kLocaleDisplayPattern, NULL, &status);
-    dispLocSeparator = ures_getStringByKeyWithFallback(locdsppat, _kSeparator, &locSepLen, &status);
-    dispLocPattern = ures_getStringByKeyWithFallback(locdsppat, _kPattern, &locPatLen, &status);
-        
-    /*close the bundles */
-    ures_close(locdsppat);
-    ures_close(bundle);
-
-    /* If we couldn't find any data, then use the defaults */
-    if ( locSepLen == 0) {
-       dispLocSeparator = defaultSeparator;
-       locSepLen = 2;
-    }
-
-    if ( locPatLen == 0) {
-       dispLocPattern = defaultPattern;
-       locPatLen = 9;
-    }
-
-    /*
-     * if there is a language, then write "language (country, variant)"
-     * otherwise write "country, variant"
-     */
-
-    /* write the language */
-    length=uloc_getDisplayLanguage(locale, displayLocale,
-                                   dest, destCapacity,
-                                   pErrorCode);
-    hasLanguage= length>0;
-
-    if(hasLanguage) {
-        p0Len = length;
-
-        /* append " (" */
-        if(length<destCapacity) {
-            dest[length]=0x20;
-        }
-        ++length;
-        if(length<destCapacity) {
-            dest[length]=0x28;
-        }
-        ++length;
-    }
-
-    if(*pErrorCode==U_BUFFER_OVERFLOW_ERROR) {
-        /* keep preflighting */
-        *pErrorCode=U_ZERO_ERROR;
-    }
-
-    /* append the script */
-    if(length<destCapacity) {
-        length2=uloc_getDisplayScript(locale, displayLocale,
-                                       dest+length, destCapacity-length,
-                                       pErrorCode);
-    } else {
-        length2=uloc_getDisplayScript(locale, displayLocale,
-                                       NULL, 0,
-                                       pErrorCode);
-    }
-    hasScript= length2>0;
-    length+=length2;
-
-    if(hasScript) {
-        /* append separator */
-        if(length+locSepLen<=destCapacity) {
-            u_memcpy(dest+length,dispLocSeparator,locSepLen);
-        }
-        length+=locSepLen;
-    }
-
-    if(*pErrorCode==U_BUFFER_OVERFLOW_ERROR) {
-        /* keep preflighting */
-        *pErrorCode=U_ZERO_ERROR;
-    }
-
-    /* append the country */
-    if(length<destCapacity) {
-        length2=uloc_getDisplayCountry(locale, displayLocale,
-                                       dest+length, destCapacity-length,
-                                       pErrorCode);
-    } else {
-        length2=uloc_getDisplayCountry(locale, displayLocale,
-                                       NULL, 0,
-                                       pErrorCode);
-    }
-    hasCountry= length2>0;
-    length+=length2;
-
-    if(hasCountry) {
-        /* append separator */
-        if(length+locSepLen<=destCapacity) {
-            u_memcpy(dest+length,dispLocSeparator,locSepLen);
-        }
-        length+=locSepLen;
-    }
-
-    if(*pErrorCode==U_BUFFER_OVERFLOW_ERROR) {
-        /* keep preflighting */
-        *pErrorCode=U_ZERO_ERROR;
-    }
-
-    /* append the variant */
-    if(length<destCapacity) {
-        length2=uloc_getDisplayVariant(locale, displayLocale,
-                                       dest+length, destCapacity-length,
-                                       pErrorCode);
-    } else {
-        length2=uloc_getDisplayVariant(locale, displayLocale,
-                                       NULL, 0,
-                                       pErrorCode);
-    }
-    hasVariant= length2>0;
-    length+=length2;
-
-    if(hasVariant) {
-        /* append separator */
-        if(length+locSepLen<=destCapacity) {
-            u_memcpy(dest+length,dispLocSeparator,locSepLen);
-        }
-        length+=locSepLen;
-    }
-
-    keywordEnum = uloc_openKeywords(locale, pErrorCode);
-    
-    for(keywordCount = uenum_count(keywordEnum, pErrorCode); keywordCount > 0 ; keywordCount--){
-          if(U_FAILURE(*pErrorCode)){
-              break;
-          }
-          /* the uenum_next returns NUL terminated string */
-          keyword = uenum_next(keywordEnum, &keywordLen, pErrorCode);
-          if(length + length3 < destCapacity) {
-            length3 += uloc_getDisplayKeyword(keyword, displayLocale, dest+length+length3, destCapacity-length-length3, pErrorCode);
-          } else {
-            length3 += uloc_getDisplayKeyword(keyword, displayLocale, NULL, 0, pErrorCode);
-          }
-          if(*pErrorCode==U_BUFFER_OVERFLOW_ERROR) {
-              /* keep preflighting */
-              *pErrorCode=U_ZERO_ERROR;
-          }
-          keywordValueLen = uloc_getKeywordValue(locale, keyword, keywordValue, 256, pErrorCode);
-          if(keywordValueLen) {
-            if(length + length3 < destCapacity) {
-              dest[length + length3] = 0x3D;
-            }
-            length3++;
-            if(length + length3 < destCapacity) {
-              length3 += uloc_getDisplayKeywordValue(locale, keyword, displayLocale, dest+length+length3, destCapacity-length-length3, pErrorCode);
-            } else {
-              length3 += uloc_getDisplayKeywordValue(locale, keyword, displayLocale, NULL, 0, pErrorCode);
-            }
-            if(*pErrorCode==U_BUFFER_OVERFLOW_ERROR) {
-                /* keep preflighting */
-                *pErrorCode=U_ZERO_ERROR;
-            }
-          }
-          if(keywordCount > 1) {
-              if(length + length3 + locSepLen <= destCapacity && keywordCount) {
-                  u_memcpy(dest+length+length3,dispLocSeparator,locSepLen);
-                  length3+=locSepLen;
-              }
-          }
-    }
-    uenum_close(keywordEnum);
-
-    hasKeywords = length3 > 0;
-    length += length3;
-
-
-    if ((hasScript && !hasCountry)
-        || ((hasScript || hasCountry) && !hasVariant && !hasKeywords)
-        || ((hasScript || hasCountry || hasVariant) && !hasKeywords)) {
-        /* Remove separator  */
-        length -= locSepLen;
-    } else if (hasLanguage && !hasScript && !hasCountry && !hasVariant && !hasKeywords) {
-        /* Remove " (" */
-        length-=2;
-    }
-
-    if (hasLanguage && (hasScript || hasCountry || hasVariant || hasKeywords)) {
-        /* append ")" */
-        if(length<destCapacity) {
-            dest[length]=0x29;
-        }
-        ++length;
-
-        /* If the localized display pattern is something other than the default pattern of "{0} ({1})", then
-         * then we need to do the formatting here.  It would be easier to use a messageFormat to do this, but we
-         * can't since we don't have the APIs in the i18n library available to us at this point.
-         */
-        if (locPatLen != defaultPatternLen || u_strcmp(dispLocPattern,defaultPattern)) { /* Something other than the default pattern */
-           UChar *p0 = u_strstr(dispLocPattern,pat0);
-           UChar *p1 = u_strstr(dispLocPattern,pat1);
-           u_terminateUChars(dest, destCapacity, length, pErrorCode);
-
-           if ( p0 != NULL && p1 != NULL ) { /* The pattern is well formed */
-              if ( dest ) {
-                  int32_t destLen = 0;
-                  UChar *result = (UChar *)uprv_malloc((length+1)*sizeof(UChar));
-                  UChar *upos = (UChar *)dispLocPattern;
-                  u_strcpy(result,dest);
-                  dest[0] = 0;
-                  while ( *upos ) {
-                     if ( upos == p0 ) { /* Handle {0} substitution */
-                         u_strncat(dest,result,p0Len);
-                         destLen += p0Len;
-                         dest[destLen] = 0; /* Null terminate */
-                         upos += 3;
-                     } else if ( upos == p1 ) { /* Handle {1} substitution */
-                         UChar *p1Start = &result[p0Len+2];
-                         u_strncat(dest,p1Start,length-p0Len-3);
-                         destLen += (length-p0Len-3);
-                         dest[destLen] = 0; /* Null terminate */
-                         upos += 3;
-                     } else { /* Something from the pattern not {0} or {1} */
-                         u_strncat(dest,upos,1);
-                         upos++;
-                         destLen++;
-                         dest[destLen] = 0; /* Null terminate */
-                     }
-                  }
-                  length = destLen;
-                  uprv_free(result);
-              }
-           }
-        }
-    }
-    if(*pErrorCode==U_BUFFER_OVERFLOW_ERROR) {
-        /* keep preflighting */
-        *pErrorCode=U_ZERO_ERROR;
-    }
-
-    return u_terminateUChars(dest, destCapacity, length, pErrorCode);
-}
-
-
 /* Instead of having a separate pass for 'special' patterns, reintegrate the two
  * so we don't get bitten by preflight bugs again.  We can be reasonably efficient
  * without two separate code paths, this code isn't that performance-critical.