diff --git a/src/validationinterface.cpp b/src/validationinterface.cpp
index 1240e0d7c..21de7514c 100644
--- a/src/validationinterface.cpp
+++ b/src/validationinterface.cpp
@@ -118,8 +118,6 @@ struct CachedBlockData {
 
 void ThreadNotifyWallets(CBlockIndex *pindexLastTip)
 {
-    size_t nBatchScannerMemLimit = DEFAULT_BATCHSCANNERMEMLIMIT * 1024 * 1024;
-
     // If pindexLastTip == nullptr, the wallet is at genesis.
     // However, the genesis block is not loaded synchronously.
     // We need to wait for ThreadImport to finish.
diff --git a/src/validationinterface.h b/src/validationinterface.h
index d4177e9bc..0d6f395c0 100644
--- a/src/validationinterface.h
+++ b/src/validationinterface.h
@@ -15,9 +15,10 @@
 #include "miner.h"
 #include "zcash/IncrementalMerkleTree.hpp"
 
-/** Default limit on batch scanner memory usage in MiB. */
-static const size_t DEFAULT_BATCHSCANNERMEMLIMIT = 100;
-/** Limit on batch scanner memory usage in MiB. */
+/**
+ * Limit on the maximum number of blocks that will be staged for
+ * scanning before an interrupt will be handled.
+ */
 static const size_t WALLET_NOTIFY_MAX_BLOCKS = 1000;
 
 class CBlock;