diff --git a/google/cloud/speech/cloud_speech_v1_1beta1.yaml b/google/cloud/speech/cloud_speech_v1_1beta1.yaml
deleted file mode 100644
index 55ce330f..00000000
--- a/google/cloud/speech/cloud_speech_v1_1beta1.yaml
+++ /dev/null
@@ -1,20 +0,0 @@
-# Google Cloud Speech API service configuration
-
-type: google.api.Service
-config_version: 3
-name: speech.googleapis.com
-
-title: Google Cloud Speech API
-
-documentation:
-  summary:
-    Google Cloud Speech API.
-
-apis:
-- name: google.cloud.speech.v1p1beta1.Speech
-
-authentication:
-  rules:
-    - selector: '*'
-      oauth:
-        canonical_scopes: https://www.googleapis.com/auth/cloud-platform
diff --git a/google/cloud/speech/speech_v1_1beta1.yaml b/google/cloud/speech/speech_v1_1beta1.yaml
deleted file mode 100644
index 54a428a4..00000000
--- a/google/cloud/speech/speech_v1_1beta1.yaml
+++ /dev/null
@@ -1,25 +0,0 @@
-# Google Cloud Speech API service configuration
-
-type: google.api.Service
-config_version: 3
-name: speech.googleapis.com
-
-title: Google Cloud Speech API
-
-documentation:
-  summary:
-    Google Cloud Speech API.
-
-apis:
-- name: google.cloud.speech.v1p1beta1.Speech
-
-authentication:
-  rules:
-    - selector: '*'
-      oauth:
-        canonical_scopes: https://www.googleapis.com/auth/cloud-platform
-
-http:
-  rules:
-  - selector: google.longrunning.Operations.GetOperation
-    get: '/v1p1beta1/operations/{name=*}'
diff --git a/google/cloud/speech/v1_1beta1/cloud_speech.proto b/google/cloud/speech/v1_1beta1/cloud_speech.proto
deleted file mode 100644
index 269c6006..00000000
--- a/google/cloud/speech/v1_1beta1/cloud_speech.proto
+++ /dev/null
@@ -1,607 +0,0 @@
-// Copyright 2017 Google Inc.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-//     http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
-syntax = "proto3";
-
-package google.cloud.speech.v1p1beta1;
-
-import "google/api/annotations.proto";
-import "google/longrunning/operations.proto";
-import "google/protobuf/duration.proto";
-import "google/protobuf/timestamp.proto";
-import "google/rpc/status.proto";
-
-option cc_enable_arenas = true;
-option go_package = "google.golang.org/genproto/googleapis/cloud/speech/v1p1beta1;speech";
-option java_multiple_files = true;
-option java_outer_classname = "SpeechProto";
-option java_package = "com.google.cloud.speech.v1p1beta1";
-
-
-// Service that implements Google Cloud Speech API.
-service Speech {
-  // Performs synchronous speech recognition: receive results after all audio
-  // has been sent and processed.
-  rpc Recognize(RecognizeRequest) returns (RecognizeResponse) {
-    option (google.api.http) = { post: "/v1p1beta1/speech:recognize" body: "*" };
-  }
-
-  // Performs asynchronous speech recognition: receive results via the
-  // google.longrunning.Operations interface. Returns either an
-  // `Operation.error` or an `Operation.response` which contains
-  // a `LongRunningRecognizeResponse` message.
-  rpc LongRunningRecognize(LongRunningRecognizeRequest) returns (google.longrunning.Operation) {
-    option (google.api.http) = { post: "/v1p1beta1/speech:longrunningrecognize" body: "*" };
-  }
-
-  // Performs bidirectional streaming speech recognition: receive results while
-  // sending audio. This method is only available via the gRPC API (not REST).
-  rpc StreamingRecognize(stream StreamingRecognizeRequest) returns (stream StreamingRecognizeResponse);
-}
-
-// The top-level message sent by the client for the `Recognize` method.
-message RecognizeRequest {
-  // *Required* Provides information to the recognizer that specifies how to
-  // process the request.
-  RecognitionConfig config = 1;
-
-  // *Required* The audio data to be recognized.
-  RecognitionAudio audio = 2;
-}
-
-// The top-level message sent by the client for the `LongRunningRecognize`
-// method.
-message LongRunningRecognizeRequest {
-  // *Required* Provides information to the recognizer that specifies how to
-  // process the request.
-  RecognitionConfig config = 1;
-
-  // *Required* The audio data to be recognized.
-  RecognitionAudio audio = 2;
-}
-
-// The top-level message sent by the client for the `StreamingRecognize` method.
-// Multiple `StreamingRecognizeRequest` messages are sent. The first message
-// must contain a `streaming_config` message and must not contain `audio` data.
-// All subsequent messages must contain `audio` data and must not contain a
-// `streaming_config` message.
-message StreamingRecognizeRequest {
-  // The streaming request, which is either a streaming config or audio content.
-  oneof streaming_request {
-    // Provides information to the recognizer that specifies how to process the
-    // request. The first `StreamingRecognizeRequest` message must contain a
-    // `streaming_config`  message.
-    StreamingRecognitionConfig streaming_config = 1;
-
-    // The audio data to be recognized. Sequential chunks of audio data are sent
-    // in sequential `StreamingRecognizeRequest` messages. The first
-    // `StreamingRecognizeRequest` message must not contain `audio_content` data
-    // and all subsequent `StreamingRecognizeRequest` messages must contain
-    // `audio_content` data. The audio bytes must be encoded as specified in
-    // `RecognitionConfig`. Note: as with all bytes fields, protobuffers use a
-    // pure binary representation (not base64). See
-    // [audio limits](https://cloud.google.com/speech/limits#content).
-    bytes audio_content = 2;
-  }
-}
-
-// Provides information to the recognizer that specifies how to process the
-// request.
-message StreamingRecognitionConfig {
-  // *Required* Provides information to the recognizer that specifies how to
-  // process the request.
-  RecognitionConfig config = 1;
-
-  // *Optional* If `false` or omitted, the recognizer will perform continuous
-  // recognition (continuing to wait for and process audio even if the user
-  // pauses speaking) until the client closes the input stream (gRPC API) or
-  // until the maximum time limit has been reached. May return multiple
-  // `StreamingRecognitionResult`s with the `is_final` flag set to `true`.
-  //
-  // If `true`, the recognizer will detect a single spoken utterance. When it
-  // detects that the user has paused or stopped speaking, it will return an
-  // `END_OF_SINGLE_UTTERANCE` event and cease recognition. It will return no
-  // more than one `StreamingRecognitionResult` with the `is_final` flag set to
-  // `true`.
-  bool single_utterance = 2;
-
-  // *Optional* If `true`, interim results (tentative hypotheses) may be
-  // returned as they become available (these interim results are indicated with
-  // the `is_final=false` flag).
-  // If `false` or omitted, only `is_final=true` result(s) are returned.
-  bool interim_results = 3;
-}
-
-// Provides information to the recognizer that specifies how to process the
-// request.
-message RecognitionConfig {
-  // Audio encoding of the data sent in the audio message. All encodings support
-  // only 1 channel (mono) audio. Only `FLAC` includes a header that describes
-  // the bytes of audio that follow the header. The other encodings are raw
-  // audio bytes with no header.
-  //
-  // For best results, the audio source should be captured and transmitted using
-  // a lossless encoding (`FLAC` or `LINEAR16`). Recognition accuracy may be
-  // reduced if lossy codecs, which include the other codecs listed in
-  // this section, are used to capture or transmit the audio, particularly if
-  // background noise is present.
-  enum AudioEncoding {
-    // Not specified. Will return result [google.rpc.Code.INVALID_ARGUMENT][google.rpc.Code.INVALID_ARGUMENT].
-    ENCODING_UNSPECIFIED = 0;
-
-    // Uncompressed 16-bit signed little-endian samples (Linear PCM).
-    LINEAR16 = 1;
-
-    // [`FLAC`](https://xiph.org/flac/documentation.html) (Free Lossless Audio
-    // Codec) is the recommended encoding because it is
-    // lossless--therefore recognition is not compromised--and
-    // requires only about half the bandwidth of `LINEAR16`. `FLAC` stream
-    // encoding supports 16-bit and 24-bit samples, however, not all fields in
-    // `STREAMINFO` are supported.
-    FLAC = 2;
-
-    // 8-bit samples that compand 14-bit audio samples using G.711 PCMU/mu-law.
-    MULAW = 3;
-
-    // Adaptive Multi-Rate Narrowband codec. `sample_rate_hertz` must be 8000.
-    AMR = 4;
-
-    // Adaptive Multi-Rate Wideband codec. `sample_rate_hertz` must be 16000.
-    AMR_WB = 5;
-
-    // Opus encoded audio frames in Ogg container
-    // ([OggOpus](https://wiki.xiph.org/OggOpus)).
-    // `sample_rate_hertz` must be 16000.
-    OGG_OPUS = 6;
-
-    // Although the use of lossy encodings is not recommended, if a very low
-    // bitrate encoding is required, `OGG_OPUS` is highly preferred over
-    // Speex encoding. The [Speex](https://speex.org/)  encoding supported by
-    // Cloud Speech API has a header byte in each block, as in MIME type
-    // `audio/x-speex-with-header-byte`.
-    // It is a variant of the RTP Speex encoding defined in
-    // [RFC 5574](https://tools.ietf.org/html/rfc5574).
-    // The stream is a sequence of blocks, one block per RTP packet. Each block
-    // starts with a byte containing the length of the block, in bytes, followed
-    // by one or more frames of Speex data, padded to an integral number of
-    // bytes (octets) as specified in RFC 5574. In other words, each RTP header
-    // is replaced with a single byte containing the block length. Only Speex
-    // wideband is supported. `sample_rate_hertz` must be 16000.
-    SPEEX_WITH_HEADER_BYTE = 7;
-  }
-
-  // *Required* Encoding of audio data sent in all `RecognitionAudio` messages.
-  AudioEncoding encoding = 1;
-
-  // *Required* Sample rate in Hertz of the audio data sent in all
-  // `RecognitionAudio` messages. Valid values are: 8000-48000.
-  // 16000 is optimal. For best results, set the sampling rate of the audio
-  // source to 16000 Hz. If that's not possible, use the native sample rate of
-  // the audio source (instead of re-sampling).
-  int32 sample_rate_hertz = 2;
-
-  // *Required* The language of the supplied audio as a
-  // [BCP-47](https://www.rfc-editor.org/rfc/bcp/bcp47.txt) language tag.
-  // Example: "en-US".
-  // See [Language Support](https://cloud.google.com/speech/docs/languages)
-  // for a list of the currently supported language codes.
-  string language_code = 3;
-
-  // *Optional* Maximum number of recognition hypotheses to be returned.
-  // Specifically, the maximum number of `SpeechRecognitionAlternative` messages
-  // within each `SpeechRecognitionResult`.
-  // The server may return fewer than `max_alternatives`.
-  // Valid values are `0`-`30`. A value of `0` or `1` will return a maximum of
-  // one. If omitted, will return a maximum of one.
-  int32 max_alternatives = 4;
-
-  // *Optional* If set to `true`, the server will attempt to filter out
-  // profanities, replacing all but the initial character in each filtered word
-  // with asterisks, e.g. "f***". If set to `false` or omitted, profanities
-  // won't be filtered out.
-  bool profanity_filter = 5;
-
-  // *Optional* A means to provide context to assist the speech recognition.
-  repeated SpeechContext speech_contexts = 6;
-
-  // *Optional* If `true`, the top result includes a list of words and
-  // the start and end time offsets (timestamps) for those words. If
-  // `false`, no word-level time offset information is returned. The default is
-  // `false`.
-  bool enable_word_time_offsets = 8;
-
-  // *Optional* If 'true', adds punctuation to recognition result hypotheses.
-  // This feature is only available in select languages. Setting this for
-  // requests in other languages has no effect at all.
-  // The default 'false' value does not add punctuation to result hypotheses.
-  // NOTE: "This is currently offered as an experimental service, complimentary
-  // to all users. In the future this may be exclusively available as a
-  // premium feature."
-  bool enable_automatic_punctuation = 11;
-
-  // *Optional* Metadata regarding this request.
-  RecognitionMetadata metadata = 9;
-}
-
-// Description of audio data to be recognized.
-message RecognitionMetadata {
-  // Use case categories that the audio recognition request can be described
-  // by.
-  enum InteractionType {
-    // Use case is either unknown or is something other than one of the other
-    // values below.
-    INTERACTION_TYPE_UNSPECIFIED = 0;
-
-    // Multiple people in a conversation or discussion. For example in a
-    // meeting with two or more people actively participating. Typically
-    // all the primary people speaking would be in the same room (if not,
-    // see PHONE_CALL)
-    DISCUSSION = 1;
-
-    // One or more persons lecturing or presenting to others, mostly
-    // uninterrupted.
-    PRESENTATION = 2;
-
-    // A phone-call or video-conference in which two or more people, who are
-    // not in the same room, are actively participating.
-    PHONE_CALL = 3;
-
-    // A recorded message intended for another person to listen to.
-    VOICEMAIL = 4;
-
-    // Professionally produced audio (eg. TV Show, Podcast).
-    PROFESSIONALLY_PRODUCED = 5;
-
-    // Transcribe spoken questions and queries into text.
-    VOICE_SEARCH = 6;
-
-    // Transcribe voice commands, such as for controlling a device.
-    VOICE_COMMAND = 7;
-
-    // Transcribe speech to text to create a written document, such as a
-    // text-message, email or report.
-    DICTATION = 8;
-  }
-
-  // Enumerates the types of capture settings describing an audio file.
-  enum MicrophoneDistance {
-    // Audio type is not known.
-    MICROPHONE_DISTANCE_UNSPECIFIED = 0;
-
-    // The audio was captured from a closely placed microphone. Eg. phone,
-    // dictaphone, or handheld microphone. Generally if there speaker is within
-    // 1 meter of the microphone.
-    NEARFIELD = 1;
-
-    // The speaker if within 3 meters of the microphone.
-    MIDFIELD = 2;
-
-    // The speaker is more than 3 meters away from the microphone.
-    FARFIELD = 3;
-  }
-
-  // The original media the speech was recorded on.
-  enum OriginalMediaType {
-    // Unknown original media type.
-    ORIGINAL_MEDIA_TYPE_UNSPECIFIED = 0;
-
-    // The speech data is an audio recording.
-    AUDIO = 1;
-
-    // The speech data originally recorded on a video.
-    VIDEO = 2;
-  }
-
-  // How many speakers expected in the speech to be recognized.
-  enum NumberOfSpeakers {
-    // Unknown number of persons speaking.
-    NUMBER_OF_SPEAKERS_UNSPECIFIED = 0;
-
-    // Only one person is the prominent speaker (ignore background voices).
-    ONE_SPEAKER = 1;
-
-    // Two people are the prominent speakers (transcript should focus
-    // on the two most prominent speakers).
-    TWO_SPEAKERS = 2;
-
-    // Transcribe all voices.
-    MULTIPLE_SPEAKERS = 3;
-  }
-
-  // The type of device the speech was recorded with.
-  enum RecordingDeviceType {
-    // The recording device is unknown.
-    RECORDING_DEVICE_TYPE_UNSPECIFIED = 0;
-
-    // Speech was recorded on a smartphone.
-    SMARTPHONE = 1;
-
-    // Speech was recorded using a personal computer or tablet.
-    PC = 2;
-
-    // Speech was recorded over a phone line.
-    PHONE_LINE = 3;
-
-    // Speech was recorded in a vehicle.
-    VEHICLE = 4;
-
-    // Speech was recorded outdoors.
-    OTHER_OUTDOOR_DEVICE = 5;
-
-    // Speech was recorded indoors.
-    OTHER_INDOOR_DEVICE = 6;
-  }
-
-  // The use case most closely describing the audio content to be recognized.
-  InteractionType interaction_type = 1;
-
-  // The industry vertical to which this speech recognition request most
-  // closely applies. This is most indicative of the topics contained
-  // in the audio.  Use the 6-digit NAICS code to identify the industry
-  // vertical - see https://www.naics.com/search/.
-  uint32 industry_naics_code_of_audio = 3;
-
-  // The audio type that most closely describes the audio being recognized.
-  MicrophoneDistance microphone_distance = 4;
-
-  // The original media the speech was recorded on.
-  OriginalMediaType original_media_type = 5;
-
-  // How many people are speaking prominently in the audio and expected to be
-  // recognized.
-  NumberOfSpeakers number_of_speakers = 6;
-
-  // The type of device the speech was recorded with.
-  RecordingDeviceType recording_device_type = 7;
-
-  // The device used to make the recording.  Examples 'Nexus 5X' or
-  // 'Polycom SoundStation IP 6000' or 'POTS' or 'VoIP' or
-  // 'Cardioid Microphone'.
-  string recording_device_name = 8;
-
-  // Mime type of the original audio file.  For example `audio/m4a`,
-  // `audio/x-alaw-basic`, `audio/mp3`, `audio/3gpp`.
-  // A list of possible audio mime types is maintained at
-  // http://www.iana.org/assignments/media-types/media-types.xhtml#audio
-  string original_mime_type = 9;
-
-  // Obfuscated (privacy-protected) ID of the user, to identify number of
-  // unique users using the service.
-  int64 obfuscated_id = 10;
-
-  // Description of the content. Eg. "Recordings of federal supreme court
-  // hearings from 2012".
-  string audio_topic = 11;
-}
-
-// Provides "hints" to the speech recognizer to favor specific words and phrases
-// in the results.
-message SpeechContext {
-  // *Optional* A list of strings containing words and phrases "hints" so that
-  // the speech recognition is more likely to recognize them. This can be used
-  // to improve the accuracy for specific words and phrases, for example, if
-  // specific commands are typically spoken by the user. This can also be used
-  // to add additional words to the vocabulary of the recognizer. See
-  // [usage limits](https://cloud.google.com/speech/limits#content).
-  repeated string phrases = 1;
-}
-
-// Contains audio data in the encoding specified in the `RecognitionConfig`.
-// Either `content` or `uri` must be supplied. Supplying both or neither
-// returns [google.rpc.Code.INVALID_ARGUMENT][google.rpc.Code.INVALID_ARGUMENT]. See
-// [audio limits](https://cloud.google.com/speech/limits#content).
-message RecognitionAudio {
-  // The audio source, which is either inline content or a GCS uri.
-  oneof audio_source {
-    // The audio data bytes encoded as specified in
-    // `RecognitionConfig`. Note: as with all bytes fields, protobuffers use a
-    // pure binary representation, whereas JSON representations use base64.
-    bytes content = 1;
-
-    // URI that points to a file that contains audio data bytes as specified in
-    // `RecognitionConfig`. Currently, only Google Cloud Storage URIs are
-    // supported, which must be specified in the following format:
-    // `gs://bucket_name/object_name` (other URI formats return
-    // [google.rpc.Code.INVALID_ARGUMENT][google.rpc.Code.INVALID_ARGUMENT]). For more information, see
-    // [Request URIs](https://cloud.google.com/storage/docs/reference-uris).
-    string uri = 2;
-  }
-}
-
-// The only message returned to the client by the `Recognize` method. It
-// contains the result as zero or more sequential `SpeechRecognitionResult`
-// messages.
-message RecognizeResponse {
-  // *Output-only* Sequential list of transcription results corresponding to
-  // sequential portions of audio.
-  repeated SpeechRecognitionResult results = 2;
-}
-
-// The only message returned to the client by the `LongRunningRecognize` method.
-// It contains the result as zero or more sequential `SpeechRecognitionResult`
-// messages. It is included in the `result.response` field of the `Operation`
-// returned by the `GetOperation` call of the `google::longrunning::Operations`
-// service.
-message LongRunningRecognizeResponse {
-  // *Output-only* Sequential list of transcription results corresponding to
-  // sequential portions of audio.
-  repeated SpeechRecognitionResult results = 2;
-}
-
-// Describes the progress of a long-running `LongRunningRecognize` call. It is
-// included in the `metadata` field of the `Operation` returned by the
-// `GetOperation` call of the `google::longrunning::Operations` service.
-message LongRunningRecognizeMetadata {
-  // Approximate percentage of audio processed thus far. Guaranteed to be 100
-  // when the audio is fully processed and the results are available.
-  int32 progress_percent = 1;
-
-  // Time when the request was received.
-  google.protobuf.Timestamp start_time = 2;
-
-  // Time of the most recent processing update.
-  google.protobuf.Timestamp last_update_time = 3;
-}
-
-// `StreamingRecognizeResponse` is the only message returned to the client by
-// `StreamingRecognize`. A series of zero or more `StreamingRecognizeResponse`
-// messages are streamed back to the client. If there is no recognizable
-// audio, and `single_utterance` is set to false, then no messages are streamed
-// back to the client.
-//
-// Here's an example of a series of ten `StreamingRecognizeResponse`s that might
-// be returned while processing audio:
-//
-// 1. results { alternatives { transcript: "tube" } stability: 0.01 }
-//
-// 2. results { alternatives { transcript: "to be a" } stability: 0.01 }
-//
-// 3. results { alternatives { transcript: "to be" } stability: 0.9 }
-//    results { alternatives { transcript: " or not to be" } stability: 0.01 }
-//
-// 4. results { alternatives { transcript: "to be or not to be"
-//                             confidence: 0.92 }
-//              alternatives { transcript: "to bee or not to bee" }
-//              is_final: true }
-//
-// 5. results { alternatives { transcript: " that's" } stability: 0.01 }
-//
-// 6. results { alternatives { transcript: " that is" } stability: 0.9 }
-//    results { alternatives { transcript: " the question" } stability: 0.01 }
-//
-// 7. results { alternatives { transcript: " that is the question"
-//                             confidence: 0.98 }
-//              alternatives { transcript: " that was the question" }
-//              is_final: true }
-//
-// Notes:
-//
-// - Only two of the above responses #4 and #7 contain final results; they are
-//   indicated by `is_final: true`. Concatenating these together generates the
-//   full transcript: "to be or not to be that is the question".
-//
-// - The others contain interim `results`. #3 and #6 contain two interim
-//   `results`: the first portion has a high stability and is less likely to
-//   change; the second portion has a low stability and is very likely to
-//   change. A UI designer might choose to show only high stability `results`.
-//
-// - The specific `stability` and `confidence` values shown above are only for
-//   illustrative purposes. Actual values may vary.
-//
-// - In each response, only one of these fields will be set:
-//     `error`,
-//     `speech_event_type`, or
-//     one or more (repeated) `results`.
-message StreamingRecognizeResponse {
-  // Indicates the type of speech event.
-  enum SpeechEventType {
-    // No speech event specified.
-    SPEECH_EVENT_UNSPECIFIED = 0;
-
-    // This event indicates that the server has detected the end of the user's
-    // speech utterance and expects no additional speech. Therefore, the server
-    // will not process additional audio (although it may subsequently return
-    // additional results). The client should stop sending additional audio
-    // data, half-close the gRPC connection, and wait for any additional results
-    // until the server closes the gRPC connection. This event is only sent if
-    // `single_utterance` was set to `true`, and is not used otherwise.
-    END_OF_SINGLE_UTTERANCE = 1;
-  }
-
-  // *Output-only* If set, returns a [google.rpc.Status][google.rpc.Status] message that
-  // specifies the error for the operation.
-  google.rpc.Status error = 1;
-
-  // *Output-only* This repeated list contains zero or more results that
-  // correspond to consecutive portions of the audio currently being processed.
-  // It contains zero or more `is_final=false` results followed by zero or one
-  // `is_final=true` result (the newly settled portion).
-  repeated StreamingRecognitionResult results = 2;
-
-  // *Output-only* Indicates the type of speech event.
-  SpeechEventType speech_event_type = 4;
-}
-
-// A streaming speech recognition result corresponding to a portion of the audio
-// that is currently being processed.
-message StreamingRecognitionResult {
-  // *Output-only* May contain one or more recognition hypotheses (up to the
-  // maximum specified in `max_alternatives`).
-  repeated SpeechRecognitionAlternative alternatives = 1;
-
-  // *Output-only* If `false`, this `StreamingRecognitionResult` represents an
-  // interim result that may change. If `true`, this is the final time the
-  // speech service will return this particular `StreamingRecognitionResult`,
-  // the recognizer will not return any further hypotheses for this portion of
-  // the transcript and corresponding audio.
-  bool is_final = 2;
-
-  // *Output-only* An estimate of the likelihood that the recognizer will not
-  // change its guess about this interim result. Values range from 0.0
-  // (completely unstable) to 1.0 (completely stable).
-  // This field is only provided for interim results (`is_final=false`).
-  // The default of 0.0 is a sentinel value indicating `stability` was not set.
-  float stability = 3;
-}
-
-// A speech recognition result corresponding to a portion of the audio.
-message SpeechRecognitionResult {
-  // *Output-only* May contain one or more recognition hypotheses (up to the
-  // maximum specified in `max_alternatives`).
-  // These alternatives are ordered in terms of accuracy, with the top (first)
-  // alternative being the most probable, as ranked by the recognizer.
-  repeated SpeechRecognitionAlternative alternatives = 1;
-}
-
-// Alternative hypotheses (a.k.a. n-best list).
-message SpeechRecognitionAlternative {
-  // *Output-only* Transcript text representing the words that the user spoke.
-  string transcript = 1;
-
-  // *Output-only* The confidence estimate between 0.0 and 1.0. A higher number
-  // indicates an estimated greater likelihood that the recognized words are
-  // correct. This field is typically provided only for the top hypothesis, and
-  // only for `is_final=true` results. Clients should not rely on the
-  // `confidence` field as it is not guaranteed to be accurate, or even set, in
-  // any of the results.
-  // The default of 0.0 is a sentinel value indicating `confidence` was not set.
-  float confidence = 2;
-
-  // *Output-only* A list of word-specific information for each recognized word.
-  repeated WordInfo words = 3;
-}
-
-// Word-specific information for recognized words. Word information is only
-// included in the response when certain request parameters are set, such
-// as `enable_word_time_offsets`.
-message WordInfo {
-  // *Output-only* Time offset relative to the beginning of the audio,
-  // and corresponding to the start of the spoken word.
-  // This field is only set if `enable_word_time_offsets=true` and only
-  // in the top hypothesis.
-  // This is an experimental feature and the accuracy of the time offset can
-  // vary.
-  google.protobuf.Duration start_time = 1;
-
-  // *Output-only* Time offset relative to the beginning of the audio,
-  // and corresponding to the end of the spoken word.
-  // This field is only set if `enable_word_time_offsets=true` and only
-  // in the top hypothesis.
-  // This is an experimental feature and the accuracy of the time offset can
-  // vary.
-  google.protobuf.Duration end_time = 2;
-
-  // *Output-only* The word corresponding to this set of information.
-  string word = 3;
-}
diff --git a/google/cloud/speech/v1_1beta1/cloud_speech_gapic.yaml b/google/cloud/speech/v1_1beta1/cloud_speech_gapic.yaml
deleted file mode 100644
index bbdca978..00000000
--- a/google/cloud/speech/v1_1beta1/cloud_speech_gapic.yaml
+++ /dev/null
@@ -1,96 +0,0 @@
-
-type: com.google.api.codegen.ConfigProto
-language_settings:
-  java:
-    package_name: com.google.cloud.speech.v1_1beta1
-  python:
-    package_name: google.cloud.gapic.speech.v1_1beta1
-  go:
-    package_name: cloud.google.com/go/speech/apiv1_1beta1
-  csharp:
-    package_name: Google.Cloud.Speech.V1_1Beta1
-  ruby:
-    package_name: Google::Cloud::Speech::V1_1beta1
-  php:
-    package_name: Google\Cloud\Speech\V1_1Beta1
-  nodejs:
-    package_name: speech.v1_1beta1
-    domain_layer_location: google-cloud
-license_header:
-  copyright_file: copyright-google.txt
-  license_file: license-header-apache-2.0.txt
-interfaces:
-- name: google.cloud.speech.v1p1beta1.Speech
-  smoke_test:
-    method: Recognize
-    init_fields:
-    - config.language_code="en-US"
-    - config.sample_rate_hertz=44100
-    - config.encoding=FLAC
-    - audio.uri="gs://gapic-toolkit/hello.flac"
-  collections: []
-  retry_codes_def:
-  - name: idempotent
-    retry_codes:
-    - UNAVAILABLE
-    - DEADLINE_EXCEEDED
-  - name: non_idempotent
-    retry_codes: []
-  retry_params_def:
-  - name: default
-    initial_retry_delay_millis: 100
-    retry_delay_multiplier: 1.3
-    max_retry_delay_millis: 60000
-    initial_rpc_timeout_millis: 190000
-    rpc_timeout_multiplier: 1
-    max_rpc_timeout_millis: 190000
-    total_timeout_millis: 600000
-  methods:
-  - name: Recognize
-    flattening:
-      groups:
-      - parameters:
-        - config
-        - audio
-    required_fields:
-    - config
-    - audio
-    sample_code_init_fields:
-    - config.encoding=FLAC
-    - config.sample_rate_hertz=44100
-    - config.language_code="en-US"
-    - audio.uri=gs://bucket_name/file_name.flac
-    request_object_method: true
-    retry_codes_name: idempotent
-    retry_params_name: default
-    timeout_millis: 190000
-  - name: LongRunningRecognize
-    flattening:
-      groups:
-      - parameters:
-        - config
-        - audio
-    required_fields:
-    - config
-    - audio
-    sample_code_init_fields:
-    - config.encoding=FLAC
-    - config.sample_rate_hertz=44100
-    - config.language_code="en-US"
-    - audio.uri=gs://bucket_name/file_name.flac
-    request_object_method: true
-    retry_codes_name: non_idempotent
-    retry_params_name: default
-    timeout_millis: 60000
-    long_running:
-      return_type: google.cloud.speech.v1p1beta1.LongRunningRecognizeResponse
-      metadata_type: google.cloud.speech.v1p1beta1.LongRunningRecognizeMetadata
-      initial_poll_delay_millis: 20000
-      poll_delay_multiplier: 1.5
-      max_poll_delay_millis: 45000
-      total_poll_timeout_millis: 86400000
-  - name: StreamingRecognize
-    request_object_method: false
-    retry_codes_name: idempotent
-    retry_params_name: default
-    timeout_millis: 190000