diff --git a/velox/dwio/dwrf/reader/SelectiveStringDictionaryColumnReader.cpp b/velox/dwio/dwrf/reader/SelectiveStringDictionaryColumnReader.cpp
index df25566c5bab..ccbaec8429ac 100644
--- a/velox/dwio/dwrf/reader/SelectiveStringDictionaryColumnReader.cpp
+++ b/velox/dwio/dwrf/reader/SelectiveStringDictionaryColumnReader.cpp
@@ -203,7 +203,6 @@ void SelectiveStringDictionaryColumnReader::read(
     const RowSet& rows,
     const uint64_t* incomingNulls) {
   prepareRead<int32_t>(offset, rows, incomingNulls);
-  bool isDense = rows.back() == rows.size() - 1;
   const auto* nullsPtr =
       nullsInReadRange_ ? nullsInReadRange_->as<uint64_t>() : nullptr;
   // lazy loading dictionary data when first hit
diff --git a/velox/exec/GroupingSet.cpp b/velox/exec/GroupingSet.cpp
index 5f2970213f68..9a015bb2dc22 100644
--- a/velox/exec/GroupingSet.cpp
+++ b/velox/exec/GroupingSet.cpp
@@ -846,7 +846,6 @@ void GroupingSet::ensureInputFits(const RowVectorPtr& input) {
   auto [freeRows, outOfLineFreeBytes] = rows->freeSpace();
   const auto outOfLineBytes =
       rows->stringAllocator().retainedSize() - outOfLineFreeBytes;
-  const auto outOfLineBytesPerRow = outOfLineBytes / numDistinct;
   const int64_t flatBytes = input->estimateFlatSize();
 
   // Test-only spill path.
diff --git a/velox/exec/HashBuild.cpp b/velox/exec/HashBuild.cpp
index e5f5ae639025..498f4569c627 100644
--- a/velox/exec/HashBuild.cpp
+++ b/velox/exec/HashBuild.cpp
@@ -444,8 +444,6 @@ void HashBuild::ensureInputFits(RowVectorPtr& input) {
   auto [freeRows, outOfLineFreeBytes] = rows->freeSpace();
   const auto outOfLineBytes =
       rows->stringAllocator().retainedSize() - outOfLineFreeBytes;
-  const auto outOfLineBytesPerRow =
-      std::max<uint64_t>(1, numRows == 0 ? 0 : outOfLineBytes / numRows);
   const auto currentUsage = pool()->usedBytes();
 
   if (numRows != 0) {
diff --git a/velox/functions/prestosql/Probability.h b/velox/functions/prestosql/Probability.h
index f0f92cf4e09b..b80fc9dc7efb 100644
--- a/velox/functions/prestosql/Probability.h
+++ b/velox/functions/prestosql/Probability.h
@@ -291,7 +291,6 @@ struct InverseCauchyCDFFunction {
   FOLLY_ALWAYS_INLINE void
   call(double& result, double median, double scale, double p) {
     static constexpr double kInf = std::numeric_limits<double>::infinity();
-    static constexpr double kDoubleMax = std::numeric_limits<double>::max();
     static constexpr double kNan = std::numeric_limits<double>::quiet_NaN();
 
     VELOX_USER_CHECK(p >= 0 && p <= 1, "p must be in the interval [0, 1]");