diff --git a/src/cpp/ripple/AccountSetTransactor.cpp b/src/cpp/ripple/AccountSetTransactor.cpp
index 7808dcdb64..88c48b2469 100644
--- a/src/cpp/ripple/AccountSetTransactor.cpp
+++ b/src/cpp/ripple/AccountSetTransactor.cpp
@@ -8,21 +8,16 @@ TER AccountSetTransactor::doApply()
 
 	const uint32	uTxFlags	= mTxn.getFlags();
 
-#if ENABLE_REQUIRE_DEST_TAG
 	const uint32	uFlagsIn	= mTxnAccount->getFieldU32(sfFlags);
 	uint32			uFlagsOut	= uFlagsIn;
 
 	if (uTxFlags & tfAccountSetMask)
-#else
-	if (uTxFlags)
-#endif
 	{
 		cLog(lsINFO) << "AccountSet: Malformed transaction: Invalid flags set.";
 
 		return temINVALID_FLAG;
 	}
 
-#if ENABLE_REQUIRE_DEST_TAG
 	//
 	// RequireDestTag
 	//
@@ -50,7 +45,6 @@ TER AccountSetTransactor::doApply()
 
 	if (uFlagsIn != uFlagsOut)
 		mTxnAccount->setFieldU32(sfFlags, uFlagsOut);
-#endif
 
 	//
 	// EmailHash
diff --git a/src/cpp/ripple/LedgerFormats.h b/src/cpp/ripple/LedgerFormats.h
index 4c2ba9c54d..7e575650ff 100644
--- a/src/cpp/ripple/LedgerFormats.h
+++ b/src/cpp/ripple/LedgerFormats.h
@@ -3,8 +3,6 @@
 
 #include "SerializedObject.h"
 
-#define ENABLE_REQUIRE_DEST_TAG		0
-
 // Used as the type of a transaction or the type of a ledger entry.
 enum LedgerEntryType
 {
@@ -42,9 +40,7 @@ enum LedgerSpecificFlags
 {
 	// ltACCOUNT_ROOT
 	lsfPasswordSpent	= 0x00010000,	// True, if password set fee is spent.
-#if ENABLE_REQUIRE_DEST_TAG
 	lsfRequireDestTag	= 0x00020000,	// True, to require a DestinationTag for payments.
-#endif
 
 	// ltOFFER
 	lsfPassive			= 0x00010000,
diff --git a/src/cpp/ripple/PaymentTransactor.cpp b/src/cpp/ripple/PaymentTransactor.cpp
index 51dd346495..ac4a7a42c0 100644
--- a/src/cpp/ripple/PaymentTransactor.cpp
+++ b/src/cpp/ripple/PaymentTransactor.cpp
@@ -99,14 +99,12 @@ TER PaymentTransactor::doApply()
 		sleDst->setFieldAccount(sfAccount, uDstAccountID);
 		sleDst->setFieldU32(sfSequence, 1);
 	}
-#if ENABLE_REQUIRE_DEST_TAG
 	else if ((sleDst->getFlags() & lsfRequireDestTag) && !mTxn.isFieldPresent(sfDestinationTag))
 	{
 		cLog(lsINFO) << "Payment: Malformed transaction: DestinationTag required.";
 
 		return temINVALID;
 	}
-#endif
 	else
 	{
 		mEngine->entryModify(sleDst);
diff --git a/src/cpp/ripple/SerializeProto.h b/src/cpp/ripple/SerializeProto.h
index fc6ee038a6..a36debe660 100644
--- a/src/cpp/ripple/SerializeProto.h
+++ b/src/cpp/ripple/SerializeProto.h
@@ -1,8 +1,6 @@
 // This is not really a header file, but it can be used as one with
 // appropriate #define statements.
 
-#define ENABLE_DESTINATION_TAG		0
-
 	// types (common)
 	TYPE(Int16,				UINT16,		1)
 	TYPE(Int32,				UINT32,		2)
@@ -46,9 +44,7 @@
 	FIELD(TransferRate,			UINT32, 11)
 	FIELD(WalletSize,			UINT32, 12)
 	FIELD(OwnerCount,			UINT32, 13)
-#if ENABLE_DESTINATION_TAG
 	FIELD(DestinationTag,		UINT32, 14)
-#endif
 
 	// 32-bit integers (uncommon)
 	FIELD(HighQualityIn,		UINT32, 16)
diff --git a/src/cpp/ripple/TransactionErr.cpp b/src/cpp/ripple/TransactionErr.cpp
index b02b2c50ce..5b8020ad3d 100644
--- a/src/cpp/ripple/TransactionErr.cpp
+++ b/src/cpp/ripple/TransactionErr.cpp
@@ -53,9 +53,7 @@ bool transResultInfo(TER terCode, std::string& strToken, std::string& strHuman)
 		{	temBAD_SEQUENCE,		"temBAD_SEQUENCE",			"Malformed: Sequence is not in the past."				},
 		{	temDST_IS_SRC,			"temDST_IS_SRC",			"Destination may not be source."						},
 		{	temDST_NEEDED,			"temDST_NEEDED",			"Destination not specified."							},
-#if ENABLE_REQUIRE_DEST_TAG
 		{	temDST_TAG_NEEDED,		"temDST_TAG_NEEDED",		"Destination tag required."								},
-#endif
 		{	temINVALID,				"temINVALID",				"The transaction is ill-formed."						},
 		{	temINVALID_FLAG,		"temINVALID_FLAG",			"The transaction has an invalid flag."					},
 		{	temREDUNDANT,			"temREDUNDANT",				"Sends same currency to self."							},
diff --git a/src/cpp/ripple/TransactionErr.h b/src/cpp/ripple/TransactionErr.h
index 676a84142b..9de5fe065e 100644
--- a/src/cpp/ripple/TransactionErr.h
+++ b/src/cpp/ripple/TransactionErr.h
@@ -39,9 +39,7 @@ enum TER	// aka TransactionEngineResult
 	temBAD_SEQUENCE,
 	temDST_IS_SRC,
 	temDST_NEEDED,
-#if ENABLE_REQUIRE_DEST_TAG
 	temDST_TAG_NEEDED,
-#endif
 	temINVALID,
 	temINVALID_FLAG,
 	temREDUNDANT,
diff --git a/src/cpp/ripple/TransactionFormats.cpp b/src/cpp/ripple/TransactionFormats.cpp
index 18c782ad92..effb983698 100644
--- a/src/cpp/ripple/TransactionFormats.cpp
+++ b/src/cpp/ripple/TransactionFormats.cpp
@@ -55,9 +55,7 @@ static bool TFInit()
 		<< SOElement(sfSendMax,			SOE_OPTIONAL)
 		<< SOElement(sfPaths,			SOE_DEFAULT)
 		<< SOElement(sfInvoiceID,		SOE_OPTIONAL)
-#if ENABLE_DESTINATION_TAG
 		<< SOElement(sfDestinationTag,	SOE_OPTIONAL)
-#endif
 		;
 
 	DECLARE_TF(Contract, ttCONTRACT)
diff --git a/src/cpp/ripple/TransactionFormats.h b/src/cpp/ripple/TransactionFormats.h
index ad804ccb9b..f761c5c70a 100644
--- a/src/cpp/ripple/TransactionFormats.h
+++ b/src/cpp/ripple/TransactionFormats.h
@@ -59,12 +59,10 @@ const int TransactionMaxLen			= 1048576;
 // Transaction flags.
 //
 
-#if ENABLE_REQUIRE_DEST_TAG
 // AccountSet flags:
 const uint32 tfRequireDestTag		= 0x00010000;
 const uint32 tfOptionalDestTag		= 0x00020000;
 const uint32 tfAccountSetMask		= ~(tfRequireDestTag|tfOptionalDestTag);
-#endif
 
 // OfferCreate flags:
 const uint32 tfPassive				= 0x00010000;