diff --git a/Foundation/include/Poco/NamedEvent_UNIX.h b/Foundation/include/Poco/NamedEvent_UNIX.h
index 63dabcad3..9aba82104 100644
--- a/Foundation/include/Poco/NamedEvent_UNIX.h
+++ b/Foundation/include/Poco/NamedEvent_UNIX.h
@@ -44,8 +44,6 @@ private:
 #if defined(sun) || defined(__APPLE__) || defined(__osf__) || defined(__QNX__) || defined(_AIX)
 	sem_t* _sem;
 #else
-	int _lockfd; // lock file descriptor
-	int _semfd;  // file used to identify semaphore
 	int _semid;  // semaphore id
 #endif
 };
diff --git a/Foundation/include/Poco/NamedMutex_UNIX.h b/Foundation/include/Poco/NamedMutex_UNIX.h
index 631231867..78515545b 100644
--- a/Foundation/include/Poco/NamedMutex_UNIX.h
+++ b/Foundation/include/Poco/NamedMutex_UNIX.h
@@ -47,8 +47,6 @@ private:
 #if defined(sun) || defined(__APPLE__) || defined(__osf__) || defined(__QNX__) || defined(_AIX)
 	sem_t* _sem;
 #else
-	int _lockfd; // lock file descriptor
-	int _semfd;  // file used to identify semaphore
 	int _semid;  // semaphore id
 #endif
 };
diff --git a/MongoDB/include/Poco/MongoDB/GetMoreRequest.h b/MongoDB/include/Poco/MongoDB/GetMoreRequest.h
index 9b2a4c8bd..e73941e1e 100644
--- a/MongoDB/include/Poco/MongoDB/GetMoreRequest.h
+++ b/MongoDB/include/Poco/MongoDB/GetMoreRequest.h
@@ -58,7 +58,6 @@ protected:
 	void buildRequest(BinaryWriter& writer);
 
 private:
-	Int32 _flags;
 	std::string _fullCollectionName;
 	Int32 _numberToReturn;
 	Int64 _cursorID;
diff --git a/Redis/include/Poco/Redis/AsyncReader.h b/Redis/include/Poco/Redis/AsyncReader.h
index ad99a3975..2a7e3a996 100644
--- a/Redis/include/Poco/Redis/AsyncReader.h
+++ b/Redis/include/Poco/Redis/AsyncReader.h
@@ -67,10 +67,8 @@ private:
 	AsyncReader(const AsyncReader&);
 	AsyncReader& operator = (const AsyncReader&);
 
-
-	Activity<AsyncReader> _activity;
-
 	Client& _client;
+	Activity<AsyncReader> _activity;
 };