diff --git a/src/rpc/misc.cpp b/src/rpc/misc.cpp
--- a/src/rpc/misc.cpp
+++ b/src/rpc/misc.cpp
@@ -564,7 +564,7 @@
 
     // For now, don't change mocktime if we're in the middle of validation, as
     // this could have an effect on mempool time-based eviction, as well as
-    // IsCurrentForFeeEstimation() and IsInitialBlockDownload().
+    // IsInitialBlockDownload().
     // TODO: figure out the right way to synchronize around mocktime, and
     // ensure all callsites of GetTime() are accessing this safely.
     LOCK(cs_main);
diff --git a/src/validation.cpp b/src/validation.cpp
--- a/src/validation.cpp
+++ b/src/validation.cpp
@@ -1147,6 +1147,9 @@
                  std::vector<CScriptCheck> *pvChecks) {
     assert(!tx.IsCoinBase());
 
+    // This call does all the inexpensive checks on all the inputs. Only if ALL
+    // inputs pass do we perform expensive ECDSA signature checks. Helps prevent
+    // CPU exhaustion attacks.
     if (!Consensus::CheckTxInputs(tx, state, inputs, GetSpendHeight(inputs))) {
         return false;
     }
@@ -1155,10 +1158,6 @@
         pvChecks->reserve(tx.vin.size());
     }
 
-    // The first loop above does all the inexpensive checks. Only if ALL inputs
-    // pass do we perform expensive ECDSA signature checks. Helps prevent CPU
-    // exhaustion attacks.
-
     // Skip script verification when connecting blocks under the assumedvalid
     // block. Assuming the assumedvalid block is valid this is safe because
     // block merkle hashes are still computed and checked, of course, if an