diff --git a/src/chain.cpp b/src/chain.cpp
index 7c36457f023864..0cc75ecaa6647a 100644
--- a/src/chain.cpp
+++ b/src/chain.cpp
@@ -13,9 +13,6 @@ std::string CBlockIndex::ToString() const
                      pprev, nHeight, hashMerkleRoot.ToString(), GetBlockHash().ToString());
 }
 
-/**
- * CChain implementation
- */
 void CChain::SetTip(CBlockIndex *pindex) {
     if (pindex == nullptr) {
         vChain.clear();
diff --git a/src/validation.cpp b/src/validation.cpp
index 79b1b81dce3953..68016b88497764 100644
--- a/src/validation.cpp
+++ b/src/validation.cpp
@@ -2710,7 +2710,7 @@ bool CChainState::FlushStateToDisk(
         fDoFullFlush = (mode == FlushStateMode::ALWAYS) || fCacheLarge || fCacheCritical || fEvoDbCacheCritical || fPeriodicFlush || fFlushForPrune;
         // Write blocks and block index to disk.
         if (fDoFullFlush || fPeriodicWrite) {
-            // Depend on nMinDiskSpace to ensure we can write block index
+            // Ensure we can write block index
             if (!CheckDiskSpace(gArgs.GetBlocksDirPath())) {
                 return AbortNode(state, "Disk space is too low!", _("Disk space is too low!"));
             }