diff --git a/src/ripple/app/ledger/impl/LedgerMaster.cpp b/src/ripple/app/ledger/impl/LedgerMaster.cpp
index 374d6ba9e9..025741ac69 100644
--- a/src/ripple/app/ledger/impl/LedgerMaster.cpp
+++ b/src/ripple/app/ledger/impl/LedgerMaster.cpp
@@ -891,7 +891,7 @@ public:
 
             valSeq () : valCount_ (0), ledgerSeq_ (0) { ; }
 
-            void mergeValidation (LedgerSeq seq)
+            void mergeValidation (LedgerIndex seq)
             {
                 valCount_++;
 
@@ -901,7 +901,7 @@ public:
             }
 
             int valCount_;
-            LedgerSeq ledgerSeq_;
+            LedgerIndex ledgerSeq_;
         };
 
         // Count the number of current, trusted validations
@@ -912,9 +912,9 @@ public:
             vs.mergeValidation (v->getFieldU32 (sfLedgerSequence));
         }
 
-        int neededValidations = getNeededValidations ();
-        LedgerSeq maxSeq = mValidLedgerSeq;
-        uint256 maxLedger = ledger->getHash();
+        auto neededValidations = getNeededValidations ();
+        auto maxSeq = mValidLedgerSeq.load();
+        auto maxLedger = ledger->getHash();
 
         // Of the ledgers with sufficient validations,
         // find the one with the highest sequence
diff --git a/src/ripple/protocol/Blob.h b/src/ripple/protocol/Blob.h
deleted file mode 100644
index bcebb7b85d..0000000000
--- a/src/ripple/protocol/Blob.h
+++ /dev/null
@@ -1,34 +0,0 @@
-//------------------------------------------------------------------------------
-/*
-    This file is part of rippled: https://github.com/ripple/rippled
-    Copyright (c) 2012, 2013 Ripple Labs Inc.
-
-    Permission to use, copy, modify, and/or distribute this software for any
-    purpose  with  or without fee is hereby granted, provided that the above
-    copyright notice and this permission notice appear in all copies.
-
-    THE  SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
-    WITH  REGARD  TO  THIS  SOFTWARE  INCLUDING  ALL  IMPLIED  WARRANTIES  OF
-    MERCHANTABILITY  AND  FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
-    ANY  SPECIAL ,  DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
-    WHATSOEVER  RESULTING  FROM  LOSS  OF USE, DATA OR PROFITS, WHETHER IN AN
-    ACTION  OF  CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
-    OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
-*/
-//==============================================================================
-
-#ifndef RIPPLE_PROTOCOL_BLOB_H_INCLUDED
-#define RIPPLE_PROTOCOL_BLOB_H_INCLUDED
-
-#include <vector>
-
-namespace ripple {
-
-/** Storage for linear binary data.
-    Blocks of binary data appear often in various idioms and structures.
-*/
-using Blob = std::vector <unsigned char>;
-
-}
-
-#endif
diff --git a/src/ripple/protocol/Protocol.h b/src/ripple/protocol/Protocol.h
index bea0db8b2f..b86faed33d 100644
--- a/src/ripple/protocol/Protocol.h
+++ b/src/ripple/protocol/Protocol.h
@@ -58,10 +58,7 @@ public:
 };
 
 /** A ledger index. */
-// VFALCO TODO pick one. I like Index since its not an abbreviation
 using LedgerIndex = std::uint32_t;
-// VFALCO NOTE "LedgerSeq" appears in some SQL statement text
-using LedgerSeq = std::uint32_t;
 
 /** A transaction identifier.
     The value is computed as the hash of the