diff --git a/tensorflow/core/framework/op_kernel.h b/tensorflow/core/framework/op_kernel.h
index 662b58e59f9..1e707b60b4b 100644
--- a/tensorflow/core/framework/op_kernel.h
+++ b/tensorflow/core/framework/op_kernel.h
@@ -1335,6 +1335,17 @@ class OpKernelContext {
   TF_DISALLOW_COPY_AND_ASSIGN(OpKernelContext);
 };
 
+template <>
+const Eigen::ThreadPoolDevice& OpKernelContext::eigen_device() const;
+
+template <>
+const Eigen::GpuDevice& OpKernelContext::eigen_device() const;
+
+#ifdef TENSORFLOW_USE_SYCL
+template <>
+const Eigen::SyclDevice& OpKernelContext::eigen_device() const;
+#endif
+
 // Register your OpKernel by specifying the Op's name, the device the
 // kernel runs on, any type attr constraints for this kernel, any
 // host-memory args, and the class to instantiate.  Examples:
diff --git a/tensorflow/lite/kernels/internal/spectrogram.h b/tensorflow/lite/kernels/internal/spectrogram.h
index b885b9d7d2d..879dc1c9700 100644
--- a/tensorflow/lite/kernels/internal/spectrogram.h
+++ b/tensorflow/lite/kernels/internal/spectrogram.h
@@ -104,6 +104,30 @@ class Spectrogram {
   std::vector<double> fft_double_working_area_;
 };
 
+// Explicit instantiations in spectrogram.cc.
+
+extern template bool Spectrogram::ComputeComplexSpectrogram(
+    const std::vector<float>& input,
+    std::vector<std::vector<std::complex<float>>>*);
+extern template bool Spectrogram::ComputeComplexSpectrogram(
+    const std::vector<double>& input,
+    std::vector<std::vector<std::complex<float>>>*);
+extern template bool Spectrogram::ComputeComplexSpectrogram(
+    const std::vector<float>& input,
+    std::vector<std::vector<std::complex<double>>>*);
+extern template bool Spectrogram::ComputeComplexSpectrogram(
+    const std::vector<double>& input,
+    std::vector<std::vector<std::complex<double>>>*);
+
+extern template bool Spectrogram::ComputeSquaredMagnitudeSpectrogram(
+    const std::vector<float>& input, std::vector<std::vector<float>>*);
+extern template bool Spectrogram::ComputeSquaredMagnitudeSpectrogram(
+    const std::vector<double>& input, std::vector<std::vector<float>>*);
+extern template bool Spectrogram::ComputeSquaredMagnitudeSpectrogram(
+    const std::vector<float>& input, std::vector<std::vector<double>>*);
+extern template bool Spectrogram::ComputeSquaredMagnitudeSpectrogram(
+    const std::vector<double>& input, std::vector<std::vector<double>>*);
+
 }  // namespace internal
 }  // namespace tflite