diff --git a/icu4c/source/i18n/dtfmtsym.cpp b/icu4c/source/i18n/dtfmtsym.cpp
index 27503c7b8d..406f727b0d 100644
--- a/icu4c/source/i18n/dtfmtsym.cpp
+++ b/icu4c/source/i18n/dtfmtsym.cpp
@@ -1490,43 +1490,43 @@ DateFormatSymbols::initZoneStrings(UErrorCode &status){
                 //fetch the strings with fine grained fallback
                 const UChar* str = ures_getStringByKeyWithFallback(&zoneItem,UTZ_SHORT_STANDARD, &len, &tempStatus);
                 if(U_SUCCESS(tempStatus)){
-                    array[TIMEZONE_SHORT_STANDARD].setTo(str, len);
+                    array[TIMEZONE_SHORT_STANDARD].setTo(TRUE, str, len);
                 }else{
                     tempStatus = U_ZERO_ERROR;
                 }
                 str = ures_getStringByKeyWithFallback(&zoneItem,UTZ_SHORT_GENERIC, &len, &tempStatus);
                 if(U_SUCCESS(tempStatus)){
-                    array[TIMEZONE_SHORT_GENERIC].setTo(str, len);
+                    array[TIMEZONE_SHORT_GENERIC].setTo(TRUE, str, len);
                 }else{
                     tempStatus = U_ZERO_ERROR;
                 }                
                 str = ures_getStringByKeyWithFallback(&zoneItem,UTZ_SHORT_DAYLIGHT, &len, &tempStatus);
                 if(U_SUCCESS(tempStatus)){
-                    array[TIMEZONE_SHORT_DAYLIGHT].setTo(str, len);
+                    array[TIMEZONE_SHORT_DAYLIGHT].setTo(TRUE, str, len);
                 }else{
                     tempStatus = U_ZERO_ERROR;
                 }
                 str = ures_getStringByKeyWithFallback(&zoneItem,UTZ_LONG_STANDARD, &len, &tempStatus);
                 if(U_SUCCESS(tempStatus)){
-                    array[TIMEZONE_LONG_STANDARD].setTo(str, len);
+                    array[TIMEZONE_LONG_STANDARD].setTo(TRUE, str, len);
                 }else{
                     tempStatus = U_ZERO_ERROR;
                 }
                 str = ures_getStringByKeyWithFallback(&zoneItem,UTZ_LONG_GENERIC, &len, &tempStatus);
                 if(U_SUCCESS(tempStatus)){
-                    array[TIMEZONE_LONG_GENERIC].setTo(str, len);
+                    array[TIMEZONE_LONG_GENERIC].setTo(TRUE, str, len);
                 }else{
                     tempStatus = U_ZERO_ERROR;
                 }                
                 str = ures_getStringByKeyWithFallback(&zoneItem,UTZ_LONG_DAYLIGHT, &len, &tempStatus);
                 if(U_SUCCESS(tempStatus)){
-                    array[TIMEZONE_LONG_DAYLIGHT].setTo(str, len);
+                    array[TIMEZONE_LONG_DAYLIGHT].setTo(TRUE, str, len);
                 }else{
                     tempStatus = U_ZERO_ERROR;
                 }
                 str = ures_getStringByKeyWithFallback(&zoneItem,UTZ_EXEMPLAR_CITY, &len, &tempStatus);
                 if(U_SUCCESS(tempStatus)){
-                    array[TIMEZONE_EXEMPLAR_CITY].setTo(str, len);
+                    array[TIMEZONE_EXEMPLAR_CITY].setTo(TRUE, str, len);
                 }else{
                     tempStatus = U_ZERO_ERROR;
                 }
@@ -1603,6 +1603,7 @@ DateFormatSymbols::initZoneStrings(const UnicodeString** strings, int32_t rowCou
         status = U_MEMORY_ALLOCATION_ERROR;
         return;
     }
+    fZoneStringsHash->setValueDeleter(deleteUnicodeStringArray);
     for (int32_t row=0; row<rowCount; ++row){
         // the first string in the array is the key.
         UnicodeString key = strings[row][0];
@@ -1725,6 +1726,7 @@ DateFormatSymbols::createZoneStringsHash(const Hashtable* otherHash){
     if(U_FAILURE(status)){
         return NULL;
     }
+    hash->setValueDeleter(deleteUnicodeStringArray);
     int32_t pos = -1;
     const UHashElement* elem = NULL;
     // walk through the hash table and create a deep clone 
diff --git a/icu4c/source/test/intltest/calregts.cpp b/icu4c/source/test/intltest/calregts.cpp
index b515cf8f48..23ca559522 100644
--- a/icu4c/source/test/intltest/calregts.cpp
+++ b/icu4c/source/test/intltest/calregts.cpp
@@ -1,7 +1,7 @@
 /********************************************************************
  * COPYRIGHT: 
- * Copyright (c) 1997-2005, International Business Machines Corporation and
- * others. All Rights Reserved.
+ * Copyright (c) 1997-2006, International Business Machines Corporation
+ * and others. All Rights Reserved.
  ********************************************************************/
  
 #include "unicode/utypes.h"
@@ -224,7 +224,7 @@ CalendarRegressionTest::test4031502()
     cl->get(UCAL_HOUR, status);
     failure(status, "cl->get(UCAL_HOUR, status)");
     status = U_ZERO_ERROR;
-    delete tz;
+    delete cl;
     for (int32_t i=0; i<ids->count(status); ++i) {
         TimeZone *zone = TimeZone::createTimeZone(*ids->snext(status));
         GregorianCalendar *cal = new GregorianCalendar(zone, status);
diff --git a/icu4c/source/test/intltest/tzbdtest.cpp b/icu4c/source/test/intltest/tzbdtest.cpp
index 6e305f458f..88e0fab9c7 100644
--- a/icu4c/source/test/intltest/tzbdtest.cpp
+++ b/icu4c/source/test/intltest/tzbdtest.cpp
@@ -1,6 +1,6 @@
 /***********************************************************************
  * COPYRIGHT: 
- * Copyright (c) 1997-2005, International Business Machines Corporation
+ * Copyright (c) 1997-2006, International Business Machines Corporation
  * and others. All Rights Reserved.
  ***********************************************************************/
 
@@ -312,6 +312,7 @@ TimeZoneBoundaryTest::TestBoundaries()
         verifyDST(tempcal->getTime(status),pst, TRUE, inDST, -8*ONE_HOUR,inDST ? -7*ONE_HOUR : -8*ONE_HOUR);
     }
     TimeZone::setDefault(*save);
+    delete save;
     delete utccal;
     delete tempcal;