diff --git a/libs/main/core/pibytearray.cpp b/libs/main/core/pibytearray.cpp
index f939ef0a..3c4a01a9 100644
--- a/libs/main/core/pibytearray.cpp
+++ b/libs/main/core/pibytearray.cpp
@@ -401,3 +401,14 @@ PIByteArray & operator >>(PIByteArray & s, PIByteArray & v) {
 	}
 	return s;
 }
+
+
+PIByteArray & operator <<(PIByteArray & s, const PIByteArray & v) {
+	s << int(v.size_s());
+	int os = s.size_s();
+	if (v.size_s() > 0) {
+		s.enlarge(v.size_s());
+		memcpy(s.data(os), v.data(), v.size());
+	}
+	return s;
+}
diff --git a/libs/main/core/pibytearray.h b/libs/main/core/pibytearray.h
index a5e9488d..ad00a8a1 100644
--- a/libs/main/core/pibytearray.h
+++ b/libs/main/core/pibytearray.h
@@ -175,27 +175,18 @@ inline PIByteArray & operator <<(PIByteArray & s, const char v) {s.push_back(v);
 //! \relatesalso PIByteArray \brief Store operator
 inline PIByteArray & operator <<(PIByteArray & s, const uchar v) {s.push_back(v); return s;}
 
-//! \relatesalso PIByteArray \brief Store operator
-inline PIByteArray & operator <<(PIByteArray & s, const PIChar & v) {int os = s.size_s(); s.enlarge(sizeof(v)); memcpy(s.data(os), &v, sizeof(v)); return s;}
-
-//! \relatesalso PIByteArray \brief Store operator
-template<typename T> inline PIByteArray & operator <<(PIByteArray & s, const PIFlags<T> & v) {int os = s.size_s(); s.enlarge(sizeof(v)); memcpy(s.data(os), &v, sizeof(v)); return s;}
-
 //! \relatesalso PIByteArray \brief Store operator for any trivial copyable type
 template<typename T, typename std::enable_if< std::is_trivially_copyable<T>::value, int>::type = 0>
-inline PIByteArray & operator <<(PIByteArray & s, const T & v) {int os = s.size_s(); s.enlarge(sizeof(v)); memcpy(s.data(os), &v, sizeof(v)); return s;}
-
-//! \relatesalso PIByteArray \brief Store operator, see \ref PIByteArray_sec1 for details
-inline PIByteArray & operator <<(PIByteArray & s, const PIByteArray & v) {
-	s << int(v.size_s());
+inline PIByteArray & operator <<(PIByteArray & s, const T & v) {
 	int os = s.size_s();
-	if (v.size_s() > 0) {
-		s.enlarge(v.size_s());
-		memcpy(s.data(os), v.data(), v.size());
-	}
+	s.enlarge(sizeof(v));
+	memcpy(s.data(os), &v, sizeof(v));
 	return s;
 }
 
+//! \relatesalso PIByteArray \brief Store operator, see \ref PIByteArray_sec1 for details
+PIP_EXPORT PIByteArray & operator <<(PIByteArray & s, const PIByteArray & v);
+
 //! \relatesalso PIByteArray \brief Store operator, see \ref PIByteArray_sec1 for details
 inline PIByteArray & operator <<(PIByteArray & s, const PIByteArray::RawData & v) {
 	int os = s.size_s();
@@ -264,15 +255,14 @@ inline PIByteArray & operator >>(PIByteArray & s, char & v) {assert(s.size() >=
 //! \relatesalso PIByteArray \brief Restore operator
 inline PIByteArray & operator >>(PIByteArray & s, uchar & v) {assert(s.size() >= 1u); v = s.take_front(); return s;}
 
-//! \relatesalso PIByteArray \brief Restore operator
-inline PIByteArray & operator >>(PIByteArray & s, PIChar & v) {assert(s.size() >= sizeof(v)); memcpy((void*)(&v), s.data(), sizeof(v)); s.remove(0, sizeof(v)); return s;}
-
 //! \relatesalso PIByteArray \brief Restore operator for any trivial copyable type
 template<typename T, typename std::enable_if< std::is_trivially_copyable<T>::value, int>::type = 0>
-inline PIByteArray & operator >>(PIByteArray & s, T & v) {assert(s.size() >= sizeof(v)); memcpy((void*)(&v), s.data(), sizeof(v)); s.remove(0, sizeof(v)); return s;}
-
-//! \relatesalso PIByteArray \brief Restore operator
-template<typename T> inline PIByteArray & operator >>(PIByteArray & s, PIFlags<T> & v) {memcpy((void*)(&v), s.data(), sizeof(v)); s.remove(0, sizeof(v)); return s;}
+inline PIByteArray & operator >>(PIByteArray & s, T & v) {
+	assert(s.size() >= sizeof(v));
+	memcpy((void*)(&v), s.data(), sizeof(v));
+	s.remove(0, sizeof(v));
+	return s;
+}
 
 //! \relatesalso PIByteArray \brief Restore operator, see \ref PIByteArray_sec1 for details
 PIP_EXPORT PIByteArray & operator >>(PIByteArray & s, PIByteArray & v);
diff --git a/libs/main/core/pichar.h b/libs/main/core/pichar.h
index a01b07ce..a2b5dad2 100644
--- a/libs/main/core/pichar.h
+++ b/libs/main/core/pichar.h
@@ -32,8 +32,6 @@ extern PIP_EXPORT char * __utf8name__;
 class PIP_EXPORT PIChar
 {
 	friend class PIString;
-	friend PIByteArray & operator <<(PIByteArray & s, const PIChar & v);
-	friend PIByteArray & operator >>(PIByteArray & s, PIChar & v);
 	friend PICout PIP_EXPORT operator <<(PICout s, const PIChar & v);
 public:
 	//! Contructs ascii symbol
diff --git a/libs/main/core/piflags.h b/libs/main/core/piflags.h
index d7584dd5..6d824826 100644
--- a/libs/main/core/piflags.h
+++ b/libs/main/core/piflags.h
@@ -38,8 +38,6 @@ public:
 	PIFlags(): flags(0) {;}
 	//! Constructor with flags = Enum "e"
 	PIFlags(Enum e): flags(e) {;}
-	//! Constructor with flags = PIFlags "f"
-	PIFlags(const PIFlags & f): flags(f.flags) {;}
 	//! Constructor with flags = int "i"
 	PIFlags(const int i): flags(i) {;}
 	//! Set flags "f" to value "on"
@@ -49,8 +47,6 @@ public:
 	//! Set flag "i" to value "on"
 	PIFlags & setFlag(const int & i, bool on = true) {if (on) flags |= i; else flags &= ~i; return *this;}
 	//! copy operator
-	void operator =(const PIFlags & f) {flags = f.flags;}
-	//! copy operator
 	void operator =(const Enum & e) {flags = e;}
 	//! copy operator
 	void operator =(const int & i) {flags = i;}
diff --git a/libs/main/core/pipropertystorage.h b/libs/main/core/pipropertystorage.h
index c338b968..9dc4098c 100644
--- a/libs/main/core/pipropertystorage.h
+++ b/libs/main/core/pipropertystorage.h
@@ -162,12 +162,12 @@ public:
 	 */
 	void setPropertyComment(const PIString & name, const PIString & comment);
 
-    /**
-     * @brief Set flags of property with specific name if name is present in storage.
-     *
-     * @param name of property to set flags
-     * @param flags to set
-     */
+	/**
+	 * @brief Set flags of property with specific name if name is present in storage.
+	 *
+	 * @param name of property to set flags
+	 * @param flags to set
+	 */
 	void setPropertyFlags(const PIString & name, int flags);
 
 	PIPropertyStorage & operator <<(const PIPropertyStorage::Property & p) {props << p; return *this;}
diff --git a/libs/main/core/pitime.h b/libs/main/core/pitime.h
index 90df73c7..9c9a959d 100644
--- a/libs/main/core/pitime.h
+++ b/libs/main/core/pitime.h
@@ -60,8 +60,6 @@ public:
 	//! Contructs system time with s = "s" and ns = "ns"
 	PISystemTime(int s, int ns) {seconds = s; nanoseconds = ns; checkOverflows();}
 	
-	//! Contructs system time from another
-	PISystemTime(const PISystemTime & t) {seconds = t.seconds; nanoseconds = t.nanoseconds;}
 	
 	//! Returns stored system time value in seconds
 	double toSeconds() const {return double(seconds) + nanoseconds / 1.e+9;}
@@ -172,13 +170,6 @@ private:
 //! \relatesalso PICout \relatesalso PICout \brief Output operator to PICout
 inline PICout operator <<(PICout s, const PISystemTime & v) {s.space(); s.setControl(0, true); s << "(" << v.seconds << " s, " << v.nanoseconds << " ns)"; s.restoreControl(); return s;}
 
-//! \relatesalso PISystemTime \relatesalso PIByteArray \brief Output operator to PIByteArray
-inline PIByteArray & operator <<(PIByteArray & s, const PISystemTime & v) {s << v.seconds << v.nanoseconds; return s;}
-
-//! \relatesalso PISystemTime \relatesalso PIByteArray \brief Input operator from PIByteArray
-inline PIByteArray & operator >>(PIByteArray & s, PISystemTime & v) {s >> v.seconds >> v.nanoseconds; return s;}
-
-
 
 
 struct PIP_EXPORT PITime {
@@ -199,8 +190,6 @@ PIP_EXPORT bool operator >(const PITime & t0, const PITime & t1);
 inline bool operator !=(const PITime & t0, const PITime & t1) {return !(t0 == t1);}
 inline bool operator <=(const PITime & t0, const PITime & t1) {return !(t0 > t1);}
 inline bool operator >=(const PITime & t0, const PITime & t1) {return !(t0 < t1);}
-inline PIByteArray & operator <<(PIByteArray & s, const PITime & v) {s << v.hours << v.minutes << v.seconds << v.milliseconds; return s;}
-inline PIByteArray & operator >>(PIByteArray & s, PITime & v) {s >> v.hours >> v.minutes >> v.seconds >> v.milliseconds; return s;}
 
 //! \relatesalso PICout \relatesalso PICout \brief Output operator to PICout
 PIP_EXPORT PICout operator <<(PICout s, const PITime & v);
@@ -223,8 +212,6 @@ PIP_EXPORT bool operator >(const PIDate & t0, const PIDate & t1);
 inline bool operator !=(const PIDate & t0, const PIDate & t1) {return !(t0 == t1);}
 inline bool operator <=(const PIDate & t0, const PIDate & t1) {return !(t0 > t1);}
 inline bool operator >=(const PIDate & t0, const PIDate & t1) {return !(t0 < t1);}
-inline PIByteArray & operator <<(PIByteArray & s, const PIDate & v) {s << v.year << v.month << v.day; return s;}
-inline PIByteArray & operator >>(PIByteArray & s, PIDate & v) {s >> v.year >> v.month >> v.day; return s;}
 
 //! \relatesalso PICout \relatesalso PICout \brief Output operator to PICout
 PIP_EXPORT PICout operator <<(PICout s, const PIDate & v);
diff --git a/libs/main/io_devices/piethernet.h b/libs/main/io_devices/piethernet.h
index bb9f988e..266134a0 100644
--- a/libs/main/io_devices/piethernet.h
+++ b/libs/main/io_devices/piethernet.h
@@ -65,8 +65,6 @@ public:
 	//! \brief IPv4 network address, IP and port
 	class PIP_EXPORT Address {
 		friend class PIEthernet;
-		friend inline PIByteArray & operator <<(PIByteArray & s, const PIEthernet::Address & v);
-		friend inline PIByteArray & operator >>(PIByteArray & s, PIEthernet::Address & v);
 	public:
 
 		//! Contructs %Address with binary representation of IP and port
@@ -519,7 +517,5 @@ inline PICout operator <<(PICout s, const PIEthernet::Address & v) {s.space(); s
 
 inline bool operator ==(const PIEthernet::Address & v0, const PIEthernet::Address & v1) {return (v0.ip() == v1.ip() && v0.port() == v1.port());}
 inline bool operator !=(const PIEthernet::Address & v0, const PIEthernet::Address & v1) {return (v0.ip() != v1.ip() || v0.port() != v1.port());}
-inline PIByteArray & operator <<(PIByteArray & s, const PIEthernet::Address & v) {s << v.ip_ << v.port_; return s;}
-inline PIByteArray & operator >>(PIByteArray & s, PIEthernet::Address & v) {s >> v.ip_ >> v.port_; return s;}
 
 #endif // PIETHERNET_H
diff --git a/libs/main/math/pigeometry.h b/libs/main/math/pigeometry.h
index ad2df750..65bf39d1 100644
--- a/libs/main/math/pigeometry.h
+++ b/libs/main/math/pigeometry.h
@@ -59,12 +59,6 @@ public:
 template<typename Type>
 PICout operator <<(PICout & s, const PIPoint<Type> & v) {s.setControl(0, true); s << "Point{" << v.x << ", " << v.y << "}"; s.restoreControl(); return s;}
 
-template<typename Type>
-inline PIByteArray & operator <<(PIByteArray & s, const PIPoint<Type> & v) {s << v.x << v.y; return s;}
-
-template<typename Type>
-inline PIByteArray & operator >>(PIByteArray & s, PIPoint<Type> & v) {s >> v.x >> v.y; return s;}
-
 
 typedef PIPoint<int> PIPointi;
 typedef PIPoint<uint> PIPointu;
@@ -145,12 +139,6 @@ public:
 template<typename Type>
 PICout operator <<(PICout & s, const PIRect<Type> & v) {s.setControl(0, true); s << "Rect{" << v.x0 << ", " << v.y0 << "; " << v.x1 - v.x0 << ", " << v.y1 - v.y0 << "}"; s.restoreControl(); return s;}
 
-template<typename Type>
-inline PIByteArray & operator <<(PIByteArray & s, const PIRect<Type> & v) {s << v.x0 << v.x1 << v.y0 << v.y1; return s;}
-
-template<typename Type>
-inline PIByteArray & operator >>(PIByteArray & s, PIRect<Type> & v) {s >> v.x0 >> v.x1 >> v.y0 >> v.y1; return s;}
-
 
 typedef PIRect<int> PIRecti;
 typedef PIRect<uint> PIRectu;
diff --git a/libs/main/math/pimathcomplex.h b/libs/main/math/pimathcomplex.h
index 79e651d5..369513a4 100644
--- a/libs/main/math/pimathcomplex.h
+++ b/libs/main/math/pimathcomplex.h
@@ -69,20 +69,6 @@ inline complexd log10(const complexd & c) {return log(c) / M_LN10;}
 template<typename T>
 inline PICout operator <<(PICout s, const complex<T> & v) {s.space(); s.setControl(0, true); s << "(" << v.real() << "; " << v.imag() << ")"; s.restoreControl(); return s;}
 
-//! \relatesalso PIByteArray \brief Store operator
-inline PIByteArray & operator <<(PIByteArray & s, complexf v) {float t; t = v.real(); s << t; t = v.imag(); s << t; return s;}
-//! \relatesalso PIByteArray \brief Store operator
-inline PIByteArray & operator <<(PIByteArray & s, complexd v) {double t; t = v.real(); s << t; t = v.imag(); s << t; return s;}
-//! \relatesalso PIByteArray \brief Store operator
-inline PIByteArray & operator <<(PIByteArray & s, complexld v) {ldouble t; t = v.real(); s << t; t = v.imag(); s << t; return s;}
-
-//! \relatesalso PIByteArray \brief Restore operator
-inline PIByteArray & operator >>(PIByteArray & s, complexf & v) {float t0, t1; s >> t0; s >> t1; v = complexf(t0, t1); return s;}
-//! \relatesalso PIByteArray \brief Restore operator
-inline PIByteArray & operator >>(PIByteArray & s, complexd & v) {double t0, t1; s >> t0; s >> t1; v = complexd(t0, t1); return s;}
-//! \relatesalso PIByteArray \brief Restore operator
-inline PIByteArray & operator >>(PIByteArray & s, complexld & v) {ldouble t0, t1; s >> t0; s >> t1; v = complexld(t0, t1); return s;}
-
 
 inline PIVector<double> abs(const PIVector<complexd> & v) {
 	PIVector<double> result;
diff --git a/libs/main/math/pimathvector.h b/libs/main/math/pimathvector.h
index 7c4a9b41..09b8d07b 100644
--- a/libs/main/math/pimathvector.h
+++ b/libs/main/math/pimathvector.h
@@ -130,6 +130,7 @@ inline PIByteArray & operator <<(PIByteArray & s, const PIMathVectorT<Size, Type
 template<uint Size, typename Type>
 inline PIByteArray & operator >>(PIByteArray & s, PIMathVectorT<Size, Type> & v) {for (uint i = 0; i < Size; ++i) s >> v[i]; return s;}
 
+
 template<typename T>
 inline PIMathVectorT<2u, T> createVectorT2(T x, T y) {return PIMathVectorT<2u, T>(PIVector<T>() << x << y);}
 template<typename T>
diff --git a/main.cpp b/main.cpp
index 28bd520d..732d268d 100644
--- a/main.cpp
+++ b/main.cpp
@@ -74,6 +74,14 @@ inline PICout operator <<(PICout c, const SwitchChannel & v) {
 
 int Acnt = 0;
 
+struct MM {
+	int x;
+	double y;
+	char c;
+	PIPointd h;
+};
+
+
 class A {
 public:
 	A() {moved = false; i = "constructor"; piCout << "A()"; ++Acnt;}
@@ -86,10 +94,12 @@ public:
 	A & operator =(A && a) {piSwap(i, a.i); a.moved = true; piCout << "= A&&)"; return *this;}
 	PIString i;
 	bool moved;
+	MM m;
 	static void F(int) {}
 };
-PIByteArray & operator <<(PIByteArray & ba, const A & v) {ba << v.i; return ba;}
-PIByteArray & operator >>(PIByteArray & ba,       A & v) {ba >> v.i; return ba;}
+
+inline PIByteArray & operator <<(PIByteArray & ba, const A & v) {ba << v.i << v.m; return ba;}
+inline PIByteArray & operator >>(PIByteArray & ba,       A & v) {ba >> v.i >> v.m; return ba;}
 
 
 int main() {
diff --git a/tests/CMakeLists.txt b/tests/CMakeLists.txt
index 07693426..bebb15da 100644
--- a/tests/CMakeLists.txt
+++ b/tests/CMakeLists.txt
@@ -17,4 +17,3 @@ endmacro()
 # Concurrent tests
 pip_test(concurrent "")
 pip_test(math "")
-#pip_test(core "")