diff --git a/src/platform-linux.cc b/src/platform-linux.cc
index 46ca7dc68c..21aae3db0c 100644
--- a/src/platform-linux.cc
+++ b/src/platform-linux.cc
@@ -185,11 +185,6 @@ void OS::StrNCpy(Vector<char> dest, const char* src, size_t n) {
 }
 
 
-void OS::WcsCpy(Vector<wchar_t> dest, const wchar_t* src) {
-  wcscpy(dest.start(), src);
-}
-
-
 char *OS::StrDup(const char* str) {
   return strdup(str);
 }
diff --git a/src/platform-macos.cc b/src/platform-macos.cc
index e57f79de7f..f08d64d0c9 100644
--- a/src/platform-macos.cc
+++ b/src/platform-macos.cc
@@ -190,11 +190,6 @@ void OS::StrNCpy(Vector<char> dest, const char* src, size_t n) {
 }
 
 
-void OS::WcsCpy(Vector<wchar_t> dest, const wchar_t* src) {
-  wcscpy(dest.start(), src);
-}
-
-
 char *OS::StrDup(const char* str) {
   return strdup(str);
 }
diff --git a/src/platform-win32.cc b/src/platform-win32.cc
index 5260a7b146..43e88f34d6 100644
--- a/src/platform-win32.cc
+++ b/src/platform-win32.cc
@@ -685,13 +685,6 @@ void OS::StrNCpy(Vector<char> dest, const char* src, size_t n) {
 }
 
 
-void OS::WcsCpy(Vector<wchar_t> dest, const wchar_t* src) {
-  int result = wcscpy_s(dest.start(), dest.length(), src);
-  USE(result);
-  ASSERT(result == 0);
-}
-
-
 char *OS::StrDup(const char* str) {
   return _strdup(str);
 }
diff --git a/src/platform.h b/src/platform.h
index 7238d70250..cc44718fd0 100644
--- a/src/platform.h
+++ b/src/platform.h
@@ -205,7 +205,6 @@ class OS {
                        va_list args);
 
   static void StrNCpy(Vector<char> dest, const char* src, size_t n);
-  static void WcsCpy(Vector<wchar_t> dest, const wchar_t* src);
   static char* StrDup(const char* str);
 
   // Support for profiler.  Can do nothing, in which case ticks