diff --git a/tensorflow/core/kernels/data/experimental/csv_dataset_op.cc b/tensorflow/core/kernels/data/experimental/csv_dataset_op.cc
index 4435c2a1313..fecafaacf2d 100644
--- a/tensorflow/core/kernels/data/experimental/csv_dataset_op.cc
+++ b/tensorflow/core/kernels/data/experimental/csv_dataset_op.cc
@@ -61,7 +61,7 @@ class CSVDatasetOp : public DatasetOpKernel {
     OP_REQUIRES(ctx, select_cols_tensor->dims() == 1,
                 errors::InvalidArgument("`select_cols` must be a vector."));
 
-    int64 buffer_size;
+    int64 buffer_size = 0;
     OP_REQUIRES_OK(
         ctx, ParseScalarArgument<int64>(ctx, "buffer_size", &buffer_size));
     OP_REQUIRES(ctx, buffer_size > 0,
diff --git a/tensorflow/core/kernels/data/experimental/map_and_batch_dataset_op.cc b/tensorflow/core/kernels/data/experimental/map_and_batch_dataset_op.cc
index cff92638d90..a7472a49e4a 100644
--- a/tensorflow/core/kernels/data/experimental/map_and_batch_dataset_op.cc
+++ b/tensorflow/core/kernels/data/experimental/map_and_batch_dataset_op.cc
@@ -61,13 +61,13 @@ class MapAndBatchDatasetOp : public UnaryDatasetOpKernel {
  protected:
   void MakeDataset(OpKernelContext* ctx, DatasetBase* input,
                    DatasetBase** output) override {
-    int64 batch_size;
+    int64 batch_size = 0;
     OP_REQUIRES_OK(ctx, ParseScalarArgument(ctx, "batch_size", &batch_size));
     OP_REQUIRES(
         ctx, batch_size > 0,
         errors::InvalidArgument("batch_size must be greater than zero."));
 
-    int64 num_parallel_calls;
+    int64 num_parallel_calls = 0;
     OP_REQUIRES_OK(ctx, ParseScalarArgument(ctx, "num_parallel_calls",
                                             &num_parallel_calls));
     OP_REQUIRES(
diff --git a/tensorflow/core/kernels/data/experimental/parse_example_dataset_op.cc b/tensorflow/core/kernels/data/experimental/parse_example_dataset_op.cc
index 58c621587fe..3dbb4df8ada 100644
--- a/tensorflow/core/kernels/data/experimental/parse_example_dataset_op.cc
+++ b/tensorflow/core/kernels/data/experimental/parse_example_dataset_op.cc
@@ -72,7 +72,7 @@ class ParseExampleDatasetOp : public UnaryDatasetOpKernel {
  protected:
   void MakeDataset(OpKernelContext* ctx, DatasetBase* input,
                    DatasetBase** output) override {
-    int64 num_parallel_calls;
+    int64 num_parallel_calls = 0;
     OP_REQUIRES_OK(ctx, ParseScalarArgument(ctx, "num_parallel_calls",
                                             &num_parallel_calls));
     OP_REQUIRES(ctx, num_parallel_calls > 0,
diff --git a/tensorflow/core/kernels/data/experimental/sliding_window_dataset_op.cc b/tensorflow/core/kernels/data/experimental/sliding_window_dataset_op.cc
index c5851eaf86b..dec136dd35e 100644
--- a/tensorflow/core/kernels/data/experimental/sliding_window_dataset_op.cc
+++ b/tensorflow/core/kernels/data/experimental/sliding_window_dataset_op.cc
@@ -267,7 +267,7 @@ class SlidingWindowDatasetOp : public UnaryDatasetOpKernel {
           input_impl_.reset();
         }
         // Restore buffer.
-        int64 buffer_size;
+        int64 buffer_size = 0;
         TF_RETURN_IF_ERROR(
             reader->ReadScalar(strings::StrCat("buffer_size"), &buffer_size));
         buffer_.resize(buffer_size);
diff --git a/tensorflow/core/kernels/data/parallel_interleave_dataset_op.cc b/tensorflow/core/kernels/data/parallel_interleave_dataset_op.cc
index de6dc5c0944..835b2387c1e 100644
--- a/tensorflow/core/kernels/data/parallel_interleave_dataset_op.cc
+++ b/tensorflow/core/kernels/data/parallel_interleave_dataset_op.cc
@@ -77,7 +77,7 @@ class ParallelInterleaveDatasetOp : public UnaryDatasetOpKernel {
     OP_REQUIRES(ctx, block_length > 0,
                 errors::InvalidArgument("`block_length` must be > 0"));
 
-    int64 num_parallel_calls;
+    int64 num_parallel_calls = 0;
     OP_REQUIRES_OK(ctx, ParseScalarArgument(ctx, "num_parallel_calls",
                                             &num_parallel_calls));
     OP_REQUIRES(
diff --git a/tensorflow/core/kernels/data/prefetch_dataset_op.cc b/tensorflow/core/kernels/data/prefetch_dataset_op.cc
index 221690809bd..e356044492c 100644
--- a/tensorflow/core/kernels/data/prefetch_dataset_op.cc
+++ b/tensorflow/core/kernels/data/prefetch_dataset_op.cc
@@ -434,7 +434,7 @@ class PrefetchDatasetOp::Dataset : public DatasetBase {
 
 void PrefetchDatasetOp::MakeDataset(OpKernelContext* ctx, DatasetBase* input,
                                     DatasetBase** output) {
-  int64 buffer_size;
+  int64 buffer_size = 0;
   OP_REQUIRES_OK(ctx,
                  ParseScalarArgument<int64>(ctx, "buffer_size", &buffer_size));
   OP_REQUIRES(ctx,
diff --git a/tensorflow/core/kernels/data/shuffle_dataset_op.cc b/tensorflow/core/kernels/data/shuffle_dataset_op.cc
index 287a7c946c0..add526704f8 100644
--- a/tensorflow/core/kernels/data/shuffle_dataset_op.cc
+++ b/tensorflow/core/kernels/data/shuffle_dataset_op.cc
@@ -364,7 +364,7 @@ class ShuffleDatasetOp : public ShuffleDatasetOpBase {
 
   void MakeDataset(OpKernelContext* ctx, DatasetBase* input,
                    DatasetBase** output) override {
-    int64 buffer_size;
+    int64 buffer_size = 0;
     OP_REQUIRES_OK(
         ctx, ParseScalarArgument<int64>(ctx, "buffer_size", &buffer_size));
     OP_REQUIRES(
@@ -637,7 +637,7 @@ class ShuffleAndRepeatDatasetOp : public ShuffleDatasetOpBase {
 
   void MakeDataset(OpKernelContext* ctx, DatasetBase* input,
                    DatasetBase** output) override {
-    int64 buffer_size;
+    int64 buffer_size = 0;
     OP_REQUIRES_OK(
         ctx, ParseScalarArgument<int64>(ctx, "buffer_size", &buffer_size));
     OP_REQUIRES(
diff --git a/tensorflow/core/kernels/data/window_dataset_op.cc b/tensorflow/core/kernels/data/window_dataset_op.cc
index 150385c96ca..bfe2ef35280 100644
--- a/tensorflow/core/kernels/data/window_dataset_op.cc
+++ b/tensorflow/core/kernels/data/window_dataset_op.cc
@@ -298,7 +298,7 @@ class WindowDatasetOp : public UnaryDatasetOpKernel {
           input_impl_.reset();
         }
         // Restore buffer.
-        int64 buffer_size;
+        int64 buffer_size = 0;
         TF_RETURN_IF_ERROR(
             reader->ReadScalar(strings::StrCat("buffer_size"), &buffer_size));
         buffer_.resize(buffer_size);