diff --git a/velox/exec/OperatorUtils.cpp b/velox/exec/OperatorUtils.cpp
index 536706fb9fb0..82468bc9c9b3 100644
--- a/velox/exec/OperatorUtils.cpp
+++ b/velox/exec/OperatorUtils.cpp
@@ -28,8 +28,10 @@ void scalarGatherCopy(
     BaseVector* target,
     vector_size_t targetIndex,
     vector_size_t count,
-    const std::vector<const RowVector*>& sources,
-    const std::vector<vector_size_t>& sourceIndices,
+    const std::vector<const RowVector*, memory::StlAllocator<const RowVector*>>&
+        sources,
+    const std::vector<vector_size_t, memory::StlAllocator<vector_size_t>>&
+        sourceIndices,
     column_index_t sourceColumnChannel) {
   VELOX_DCHECK(target->isFlatEncoding());
 
@@ -81,8 +83,10 @@ void complexGatherCopy(
     BaseVector* target,
     vector_size_t targetIndex,
     vector_size_t count,
-    const std::vector<const RowVector*>& sources,
-    const std::vector<vector_size_t>& sourceIndices,
+    const std::vector<const RowVector*, memory::StlAllocator<const RowVector*>>&
+        sources,
+    const std::vector<vector_size_t, memory::StlAllocator<vector_size_t>>&
+        sourceIndices,
     column_index_t sourceChannel) {
   for (int i = 0; i < count; ++i) {
     target->copy(
@@ -97,8 +101,10 @@ void gatherCopy(
     BaseVector* target,
     vector_size_t targetIndex,
     vector_size_t count,
-    const std::vector<const RowVector*>& sources,
-    const std::vector<vector_size_t>& sourceIndices,
+    const std::vector<const RowVector*, memory::StlAllocator<const RowVector*>>&
+        sources,
+    const std::vector<vector_size_t, memory::StlAllocator<vector_size_t>>&
+        sourceIndices,
     column_index_t sourceChannel) {
   if (target->isScalar()) {
     VELOX_DYNAMIC_SCALAR_TYPE_DISPATCH(
@@ -326,8 +332,10 @@ void gatherCopy(
     RowVector* target,
     vector_size_t targetIndex,
     vector_size_t count,
-    const std::vector<const RowVector*>& sources,
-    const std::vector<vector_size_t>& sourceIndices,
+    const std::vector<const RowVector*, memory::StlAllocator<const RowVector*>>&
+        sources,
+    const std::vector<vector_size_t, memory::StlAllocator<vector_size_t>>&
+        sourceIndices,
     const std::vector<IdentityProjection>& columnMap) {
   VELOX_DCHECK_GE(count, 0);
   if (FOLLY_UNLIKELY(count <= 0)) {
diff --git a/velox/exec/OperatorUtils.h b/velox/exec/OperatorUtils.h
index bea261f3d24a..7dc444e1c915 100644
--- a/velox/exec/OperatorUtils.h
+++ b/velox/exec/OperatorUtils.h
@@ -100,8 +100,10 @@ void gatherCopy(
     RowVector* target,
     vector_size_t targetIndex,
     vector_size_t count,
-    const std::vector<const RowVector*>& sources,
-    const std::vector<vector_size_t>& sourceIndices,
+    const std::vector<const RowVector*, memory::StlAllocator<const RowVector*>>&
+        sources,
+    const std::vector<vector_size_t, memory::StlAllocator<vector_size_t>>&
+        sourceIndices,
     const std::vector<IdentityProjection>& columnMap = {});
 
 /// Generates the system-wide unique disk spill file path for an operator. It
diff --git a/velox/exec/SortBuffer.cpp b/velox/exec/SortBuffer.cpp
index fe12fbecf1c1..523e98b56c6c 100644
--- a/velox/exec/SortBuffer.cpp
+++ b/velox/exec/SortBuffer.cpp
@@ -35,7 +35,9 @@ SortBuffer::SortBuffer(
       prefixSortConfig_(prefixSortConfig),
       spillConfig_(spillConfig),
       spillStats_(spillStats),
-      sortedRows_(0, memory::StlAllocator<char*>(*pool)) {
+      sortedRows_(0, memory::StlAllocator<char*>(*pool)),
+      spillSources_(0, memory::StlAllocator<const RowVector*>(*pool_)),
+      spillSourceRows_(0, memory::StlAllocator<vector_size_t>(*pool_)) {
   VELOX_CHECK_GE(input_->size(), sortCompareFlags_.size());
   VELOX_CHECK_GT(sortCompareFlags_.size(), 0);
   VELOX_CHECK_EQ(sortColumnIndices.size(), sortCompareFlags_.size());
diff --git a/velox/exec/SortBuffer.h b/velox/exec/SortBuffer.h
index eafe29f9e16c..781b680e9fe6 100644
--- a/velox/exec/SortBuffer.h
+++ b/velox/exec/SortBuffer.h
@@ -126,8 +126,10 @@ class SortBuffer {
   // Used to merge the sorted runs from in-memory rows and spilled rows on disk.
   std::unique_ptr<TreeOfLosers<SpillMergeStream>> spillMerger_;
   // Records the source rows to copy to 'output_' in order.
-  std::vector<const RowVector*> spillSources_;
-  std::vector<vector_size_t> spillSourceRows_;
+  std::vector<const RowVector*, memory::StlAllocator<const RowVector*>>
+      spillSources_;
+  std::vector<vector_size_t, memory::StlAllocator<vector_size_t>>
+      spillSourceRows_;
 
   // Reusable output vector.
   RowVectorPtr output_;
diff --git a/velox/exec/tests/OperatorUtilsTest.cpp b/velox/exec/tests/OperatorUtilsTest.cpp
index 5d4bab633b4b..64c12725fe7e 100644
--- a/velox/exec/tests/OperatorUtilsTest.cpp
+++ b/velox/exec/tests/OperatorUtilsTest.cpp
@@ -89,8 +89,10 @@ class OperatorUtilsTest : public OperatorTestBase {
       }
     }
 
-    std::vector<const RowVector*> sourcesVectors(kNumRows);
-    std::vector<vector_size_t> sourceIndices(kNumRows);
+    std::vector<const RowVector*, memory::StlAllocator<const RowVector*>>
+        sourcesVectors(kNumRows, *pool_);
+    std::vector<vector_size_t, memory::StlAllocator<vector_size_t>>
+        sourceIndices(kNumRows, *pool_);
     for (int iter = 0; iter < 5; ++iter) {
       const int count =
           folly::Random::oneIn(10) ? 0 : folly::Random::rand32() % kNumRows;
@@ -259,8 +261,10 @@ TEST_F(OperatorUtilsTest, gatherCopy) {
       makeFlatVector<int64_t>(kNumRows, [](auto row) { return row % 7; }),
       BaseVector::createNullConstant(UNKNOWN(), kNumRows, pool()),
   });
-  std::vector<const RowVector*> sourceVectors(kNumRows);
-  std::vector<vector_size_t> sourceIndices(kNumRows);
+  std::vector<const RowVector*, memory::StlAllocator<const RowVector*>>
+      sourceVectors(kNumRows, *pool_);
+  std::vector<vector_size_t, memory::StlAllocator<vector_size_t>> sourceIndices(
+      kNumRows, *pool_);
   for (int i = 0; i < kNumRows; ++i) {
     sourceVectors[i] = sourceVector.get();
     sourceIndices[i] = kNumRows - i - 1;
diff --git a/velox/exec/tests/SpillerTest.cpp b/velox/exec/tests/SpillerTest.cpp
index 83d6d7983e86..0e9cbae3cfe5 100644
--- a/velox/exec/tests/SpillerTest.cpp
+++ b/velox/exec/tests/SpillerTest.cpp
@@ -687,8 +687,10 @@ class SpillerTest : public exec::test::RowContainerTestBase {
         int i = 0;
         int outputRow = 0;
         int outputSize = 0;
-        std::vector<const RowVector*> sourceVectors(outputBatchSize);
-        std::vector<vector_size_t> sourceIndices(outputBatchSize);
+        std::vector<const RowVector*, memory::StlAllocator<const RowVector*>>
+            sourceVectors(outputBatchSize, *pool_);
+        std::vector<vector_size_t, memory::StlAllocator<vector_size_t>>
+            sourceIndices(outputBatchSize, *pool_);
         for (;;) {
           auto stream = merge->next();
           if (stream == nullptr) {