diff --git a/icu4c/source/tools/ctestfw/datamap.cpp b/icu4c/source/tools/ctestfw/datamap.cpp
index e9242dec7b..c59447c8a7 100644
--- a/icu4c/source/tools/ctestfw/datamap.cpp
+++ b/icu4c/source/tools/ctestfw/datamap.cpp
@@ -11,6 +11,9 @@
 #include "hash.h"
 #include <stdlib.h>
 
+DataMap::~DataMap() {}
+DataMap::DataMap() {}
+
 int32_t 
 DataMap::utoi(const UnicodeString &s) const
 {
diff --git a/icu4c/source/tools/ctestfw/unicode/datamap.h b/icu4c/source/tools/ctestfw/unicode/datamap.h
index b8180fd9f3..00d8b05eac 100644
--- a/icu4c/source/tools/ctestfw/unicode/datamap.h
+++ b/icu4c/source/tools/ctestfw/unicode/datamap.h
@@ -1,6 +1,6 @@
 /********************************************************************
  * COPYRIGHT: 
- * Copyright (c) 2002-2005, International Business Machines Corporation and
+ * Copyright (c) 2002-2006, International Business Machines Corporation and
  * others. All Rights Reserved.
  ********************************************************************/
 
@@ -26,10 +26,10 @@ U_NAMESPACE_END
  */
 class T_CTEST_EXPORT_API DataMap {
 public:
-  virtual ~DataMap() {};
+  virtual ~DataMap();
 
 protected:
-  DataMap() {};
+  DataMap();
   int32_t utoi(const UnicodeString &s) const;
 
 
diff --git a/icu4c/source/tools/ctestfw/unicode/testdata.h b/icu4c/source/tools/ctestfw/unicode/testdata.h
index 0b8d752526..a248bf568d 100644
--- a/icu4c/source/tools/ctestfw/unicode/testdata.h
+++ b/icu4c/source/tools/ctestfw/unicode/testdata.h
@@ -1,6 +1,6 @@
 /********************************************************************
  * COPYRIGHT: 
- * Copyright (c) 2002-2005, International Business Machines Corporation and
+ * Copyright (c) 2002-2006, International Business Machines Corporation and
  * others. All Rights Reserved.
  ********************************************************************/
 
@@ -96,7 +96,7 @@ public:
 private:
 //  RBTestData() {};
 //  RBTestData(const RBTestData& original) {};
-  RBTestData& operator=(const RBTestData& /*original*/) {return *this;};
+  RBTestData& operator=(const RBTestData& /*original*/);
 
 public:
   virtual ~RBTestData();