diff --git a/src/Amount.cpp b/src/Amount.cpp
index e6616a9c35..966eea15b6 100644
--- a/src/Amount.cpp
+++ b/src/Amount.cpp
@@ -491,18 +491,6 @@ STAmount STAmount::operator-(void) const
 	return STAmount(name, mCurrency, mValue, mOffset, mIsNative, !mIsNegative);
 }
 
-STAmount& STAmount::operator=(const STAmount& a)
-{
-	mValue		= a.mValue;
-	mOffset		= a.mOffset;
-	mIssuer		= a.mIssuer;
-	mCurrency	= a.mCurrency;
-	mIsNative	= a.mIsNative;
-	mIsNegative = a.mIsNegative;
-
-	return *this;
-}
-
 STAmount& STAmount::operator=(uint64 v)
 { // does not copy name, does not change currency type
 	mOffset = 0;
diff --git a/src/SerializedTypes.cpp b/src/SerializedTypes.cpp
index da96fa5373..2a6b0f978e 100644
--- a/src/SerializedTypes.cpp
+++ b/src/SerializedTypes.cpp
@@ -463,14 +463,6 @@ std::string STPathSet::getText() const
 }
 #endif
 
-STPathSet& STPathSet::operator=(const STPathSet& p)
-{
-	if (name == NULL)
-		name = p.name;
-	value = p.value;
-	return *this;
-}
-
 void STPathSet::add(Serializer& s) const
 {
 	bool bFirst = true;
diff --git a/src/SerializedTypes.h b/src/SerializedTypes.h
index 7b7aa562b9..2c877b8bd1 100644
--- a/src/SerializedTypes.h
+++ b/src/SerializedTypes.h
@@ -91,6 +91,8 @@ public:
 	virtual bool isEquivalent(const SerializedType& t) const
 	{ assert(getSType() == STI_NOTPRESENT); return t.getSType() == STI_NOTPRESENT; }
 
+	SerializedType& operator=(const SerializedType& t)
+	{ name = (name == NULL) ? t.name : name; return *this; }
 	bool operator==(const SerializedType& t) const
 	{ return (getSType() == t.getSType()) && isEquivalent(t); }
 	bool operator!=(const SerializedType& t) const
@@ -124,7 +126,6 @@ public:
 	void setValue(unsigned char v) { value=v; }
 
 	operator unsigned char() const { return value; }
-	STUInt8& operator=(unsigned char v) { value=v; return *this; }
 	virtual bool isEquivalent(const SerializedType& t) const;
 };
 
@@ -152,7 +153,6 @@ public:
 	void setValue(uint16 v) { value=v; }
 
 	operator uint16() const { return value; }
-	STUInt16& operator=(uint16 v) { value=v; return *this; }
 	virtual bool isEquivalent(const SerializedType& t) const;
 };
 
@@ -180,7 +180,6 @@ public:
 	void setValue(uint32 v) { value=v; }
 
 	operator uint32() const { return value; }
-	STUInt32& operator=(uint32 v) { value=v; return *this; }
 	virtual bool isEquivalent(const SerializedType& t) const;
 };
 
@@ -208,7 +207,6 @@ public:
 	void setValue(uint64 v) { value=v; }
 
 	operator uint64() const { return value; }
-	STUInt64& operator=(uint64 v) { value=v; return *this; }
 	virtual bool isEquivalent(const SerializedType& t) const;
 };
 
@@ -334,7 +332,6 @@ public:
 
 	STAmount& operator+=(const STAmount&);
 	STAmount& operator-=(const STAmount&);
-	STAmount& operator=(const STAmount&);
 	STAmount& operator+=(uint64);
 	STAmount& operator-=(uint64);
 	STAmount& operator=(uint64);
@@ -401,7 +398,6 @@ public:
 	void setValue(const uint128& v) { value=v; }
 
 	operator uint128() const { return value; }
-	STHash128& operator=(const uint128& v) { value=v; return *this; }
 	virtual bool isEquivalent(const SerializedType& t) const;
 };
 
@@ -431,7 +427,6 @@ public:
 	void setValue(const uint160& v) { value=v; }
 
 	operator uint160() const { return value; }
-	STHash160& operator=(const uint160& v) { value=v; return *this; }
 	virtual bool isEquivalent(const SerializedType& t) const;
 };
 
@@ -461,7 +456,6 @@ public:
 	void setValue(const uint256& v) { value=v; }
 
 	operator uint256() const { return value; }
-	STHash256& operator=(const uint256& v) { value=v; return *this; }
 	virtual bool isEquivalent(const SerializedType& t) const;
 };
 
@@ -494,7 +488,6 @@ public:
 	void setValue(const std::vector<unsigned char>& v) { value=v; }
 
 	operator std::vector<unsigned char>() const { return value; }
-	STVariableLength& operator=(const std::vector<unsigned char>& v) { value=v; return *this; }
 	virtual bool isEquivalent(const SerializedType& t) const;
 };
 
@@ -668,7 +661,6 @@ public:
 	void addPath(const STPath& e)						{ value.push_back(e); }
 
 	virtual bool isEquivalent(const SerializedType& t) const;
-	STPathSet& operator=(const STPathSet&);
 
 	std::vector<STPath>::iterator begin()				{ return value.begin(); }
 	std::vector<STPath>::iterator end()					{ return value.end(); }
@@ -747,7 +739,6 @@ public:
 	void addItem(const TaggedListItem& v) { value.push_back(v); }
 
 	operator std::vector<TaggedListItem>() const { return value; }
-	STTaggedList& operator=(const std::vector<TaggedListItem>& v) { value=v; return *this; }
 	virtual bool isEquivalent(const SerializedType& t) const;
 };