diff --git a/rtc_base/openssl_stream_adapter.cc b/rtc_base/openssl_stream_adapter.cc
index 5fa1a3c502..9fd8c8f395 100644
--- a/rtc_base/openssl_stream_adapter.cc
+++ b/rtc_base/openssl_stream_adapter.cc
@@ -561,21 +561,6 @@ void OpenSSLStreamAdapter::SetInitialRetransmissionTimeout(int timeout_ms) {
 //
 // StreamInterface Implementation
 //
-// Backwards compatible Write() method using deprecated API.
-// Needed because deprecated API is still =0 in API definition.
-StreamResult OpenSSLStreamAdapter::Write(const void* data,
-                                         size_t data_len,
-                                         size_t* written,
-                                         int* error) {
-  // TODO(bugs.webrtc.org/14632): Consider doing
-  // RTC_CHECK_NOTREACHED(); when downstream usage is eliminated.
-  size_t dummy_written;
-  int dummy_error;
-  return Write(
-      rtc::MakeArrayView(reinterpret_cast<const uint8_t*>(data), data_len),
-      written ? *written : dummy_written, error ? *error : dummy_error);
-}
-
 StreamResult OpenSSLStreamAdapter::Write(rtc::ArrayView<const uint8_t> data,
                                          size_t& written,
                                          int& error) {
@@ -637,19 +622,6 @@ StreamResult OpenSSLStreamAdapter::Write(rtc::ArrayView<const uint8_t> data,
   // not reached
 }
 
-// Backwards compatible Read() method using deprecated API.
-StreamResult OpenSSLStreamAdapter::Read(void* data,
-                                        size_t data_len,
-                                        size_t* read,
-                                        int* error) {
-  // TODO(bugs.webrtc.org/14632): Consider doing
-  // RTC_CHECK_NOTREACHED() when downstream usage is thought to be eliminated.
-  size_t dummy_read;
-  int dummy_error;
-  return Read(rtc::MakeArrayView(reinterpret_cast<uint8_t*>(data), data_len),
-              read ? *read : dummy_read, error ? *error : dummy_error);
-}
-
 StreamResult OpenSSLStreamAdapter::Read(rtc::ArrayView<uint8_t> data,
                                         size_t& read,
                                         int& error) {
diff --git a/rtc_base/openssl_stream_adapter.h b/rtc_base/openssl_stream_adapter.h
index 3c94ecd2ce..aee8d36aad 100644
--- a/rtc_base/openssl_stream_adapter.h
+++ b/rtc_base/openssl_stream_adapter.h
@@ -95,16 +95,9 @@ class OpenSSLStreamAdapter final : public SSLStreamAdapter {
   void SetMaxProtocolVersion(SSLProtocolVersion version) override;
   void SetInitialRetransmissionTimeout(int timeout_ms) override;
 
-  [[deprecated("bugs.webrtc.org/14632")]] StreamResult
-  Read(void* data, size_t data_len, size_t* read, int* error) override;
   StreamResult Read(rtc::ArrayView<uint8_t> data,
                     size_t& read,
                     int& error) override;
-  [[deprecated("bugs.webrtc.org/14632")]] StreamResult Write(
-      const void* data,
-      size_t data_len,
-      size_t* written,
-      int* error) override;
   StreamResult Write(rtc::ArrayView<const uint8_t> data,
                      size_t& written,
                      int& error) override;