diff --git a/modules/base/src/integrity_error.hh b/modules/base/src/integrity_error.hh
index 95f371dc8b473b68bf04ed95cc23399ddc86c59e..ba3271faeea9034bd6af4f23a752adb031e3eef8 100644
--- a/modules/base/src/integrity_error.hh
+++ b/modules/base/src/integrity_error.hh
@@ -27,7 +27,7 @@ namespace ost {
 
 class DLLEXPORT IntegrityError : public Error {
 public:
-  IntegrityError::IntegrityError(const String& msg):
+  IntegrityError(const String& msg):
     Error(msg)
   { } 
 };
diff --git a/modules/base/src/invalid_handle.hh b/modules/base/src/invalid_handle.hh
index 33292cfe0a89878785e1efb5adbda8d12ce284e8..fdb56203edf1b126aad19d06be3e0b070c2a29bd 100644
--- a/modules/base/src/invalid_handle.hh
+++ b/modules/base/src/invalid_handle.hh
@@ -29,7 +29,7 @@ namespace ost {
 /// \brief Signals access of member functions of invalid handles
 class DLLEXPORT InvalidHandle : public Error {
 public:
-  InvalidHandle::InvalidHandle()
+  InvalidHandle()
     : Error("Can not access invalid handle or view") 
   {}
 };