diff --git a/icu4c/source/common/uvector.cpp b/icu4c/source/common/uvector.cpp
index 41322ba7ff..a93855d440 100644
--- a/icu4c/source/common/uvector.cpp
+++ b/icu4c/source/common/uvector.cpp
@@ -13,23 +13,45 @@
 
 U_NAMESPACE_BEGIN
 
-UVector::UVector(UErrorCode &status, int32_t initialCapacity) :
+#define DEFUALT_CAPACITY 8
+
+UVector::UVector(UErrorCode &status) :
     count(0),
     capacity(0),
     elements(0),
     deleter(0),
-    comparer(0) {
+    comparer(0)
+{
+    _init(DEFUALT_CAPACITY, status);
+}
 
+UVector::UVector(int32_t initialCapacity, UErrorCode &status) :
+    count(0),
+    capacity(0),
+    elements(0),
+    deleter(0),
+    comparer(0)
+{
     _init(initialCapacity, status);
 }
 
-UVector::UVector(UObjectDeleter d, UKeyComparator c, UErrorCode &status, int32_t initialCapacity) :
+UVector::UVector(UObjectDeleter d, UKeyComparator c, UErrorCode &status) :
     count(0),
     capacity(0),
     elements(0),
     deleter(d),
-    comparer(c) {
-   
+    comparer(c)
+{
+    _init(DEFUALT_CAPACITY, status);
+}
+
+UVector::UVector(UObjectDeleter d, UKeyComparator c, int32_t initialCapacity, UErrorCode &status) :
+    count(0),
+    capacity(0),
+    elements(0),
+    deleter(d),
+    comparer(c)
+{
     _init(initialCapacity, status);
 }
 
@@ -237,12 +259,24 @@ void* UVector::orphanElementAt(int32_t index) {
     return e;
 }
 
-UStack::UStack(UErrorCode &status, int32_t initialCapacity) :
-    UVector(status, initialCapacity) {
+UStack::UStack(UErrorCode &status) :
+    UVector(status)
+{
 }
 
-UStack::UStack(UObjectDeleter d, UKeyComparator c, UErrorCode &status, int32_t initialCapacity) :
-    UVector(d, c, status, initialCapacity) {
+UStack::UStack(int32_t initialCapacity, UErrorCode &status) :
+    UVector(initialCapacity, status)
+{
+}
+
+UStack::UStack(UObjectDeleter d, UKeyComparator c, UErrorCode &status) :
+    UVector(d, c, status)
+{
+}
+
+UStack::UStack(UObjectDeleter d, UKeyComparator c, int32_t initialCapacity, UErrorCode &status) :
+    UVector(d, c, initialCapacity, status)
+{
 }
 
 void* UStack::pop(void) {
diff --git a/icu4c/source/common/uvector.h b/icu4c/source/common/uvector.h
index 4c75a2ef3a..fd769d458b 100644
--- a/icu4c/source/common/uvector.h
+++ b/icu4c/source/common/uvector.h
@@ -87,10 +87,13 @@ private:
     UKeyComparator comparer;
 
 public:
-    UVector(UErrorCode &status, int32_t initialCapacity = 8);
+    UVector(UErrorCode &status);
 
-    UVector(UObjectDeleter d, UKeyComparator c, UErrorCode &status, int32_t initialCapacity = 8);
+    UVector(int32_t initialCapacity, UErrorCode &status);
 
+    UVector(UObjectDeleter d, UKeyComparator c, UErrorCode &status);
+
+    UVector(UObjectDeleter d, UKeyComparator c, int32_t initialCapacity, UErrorCode &status);
     ~UVector();
 
     //------------------------------------------------------------
@@ -194,9 +197,13 @@ private:
  */
 class U_COMMON_API UStack : public UVector {
 public:
-    UStack(UErrorCode &status, int32_t initialCapacity = 8);
+    UStack(UErrorCode &status);
 
-    UStack(UObjectDeleter d, UKeyComparator c, UErrorCode &status, int32_t initialCapacity = 8);
+    UStack(int32_t initialCapacity, UErrorCode &status);
+
+    UStack(UObjectDeleter d, UKeyComparator c, UErrorCode &status);
+
+    UStack(UObjectDeleter d, UKeyComparator c, int32_t initialCapacity, UErrorCode &status);
 
     // It's okay not to have a virtual destructor (in UVector)
     // because UStack has no special cleanup to do.
diff --git a/icu4c/source/i18n/rbt_set.cpp b/icu4c/source/i18n/rbt_set.cpp
index 092789cf78..fb125e9bd7 100644
--- a/icu4c/source/i18n/rbt_set.cpp
+++ b/icu4c/source/i18n/rbt_set.cpp
@@ -293,7 +293,7 @@ void TransliterationRuleSet::freeze(UParseError& parseError,UErrorCode& status)
     int32_t n = ruleVector->size();
     int32_t j;
     int16_t x;
-    UVector v(status, 2*n); // heuristic; adjust as needed
+    UVector v(2*n, status); // heuristic; adjust as needed
 
     if (U_FAILURE(status)) {
         return;