diff --git a/tensorflow/contrib/makefile/tf_op_files.txt b/tensorflow/contrib/makefile/tf_op_files.txt
index ac54c0c3a80..88dbff483f2 100644
--- a/tensorflow/contrib/makefile/tf_op_files.txt
+++ b/tensorflow/contrib/makefile/tf_op_files.txt
@@ -61,6 +61,7 @@ tensorflow/core/kernels/cwise_op_cosh.cc
 tensorflow/core/kernels/cwise_op_div.cc
 tensorflow/core/kernels/cwise_op_equal_to_1.cc
 tensorflow/core/kernels/cwise_op_equal_to_2.cc
+tensorflow/core/kernels/cwise_op_erf.cc
 tensorflow/core/kernels/cwise_op_exp.cc
 tensorflow/core/kernels/cwise_op_floor.cc
 tensorflow/core/kernels/cwise_op_floor_div.cc
diff --git a/tensorflow/core/kernels/BUILD b/tensorflow/core/kernels/BUILD
index 6a51a611948..644e591100c 100644
--- a/tensorflow/core/kernels/BUILD
+++ b/tensorflow/core/kernels/BUILD
@@ -6126,6 +6126,7 @@ filegroup(
         "cwise_op_equal_to_2.cc",
         "cwise_op_not_equal_to_1.cc",
         "cwise_op_not_equal_to_2.cc",
+        "cwise_op_erf.cc",
         "cwise_op_exp.cc",
         "cwise_op_floor.cc",
         "cwise_op_floor_div.cc",
diff --git a/tensorflow/lite/delegates/flex/whitelisted_flex_ops.cc b/tensorflow/lite/delegates/flex/whitelisted_flex_ops.cc
index 30cf79b4a05..2d73b7ee3a3 100644
--- a/tensorflow/lite/delegates/flex/whitelisted_flex_ops.cc
+++ b/tensorflow/lite/delegates/flex/whitelisted_flex_ops.cc
@@ -110,6 +110,7 @@ bool IsWhitelistedFlexOp(const std::string& tensorflow_op_name) {
           "EnsureShape",
           "Enter",
           "Equal",
+          "Erf",
           "Exit",
           "Exp",
           "ExpandDims",