diff --git a/packages/shared/common/src/datasource/errors.ts b/packages/shared/common/src/datasource/errors.ts
index ef804f7f1..f2d1f7366 100644
--- a/packages/shared/common/src/datasource/errors.ts
+++ b/packages/shared/common/src/datasource/errors.ts
@@ -35,3 +35,5 @@ export class LDStreamingError extends Error {
     this.recoverable = recoverable;
   }
 }
+
+export type StreamingErrorHandler = (err: LDStreamingError) => void;
diff --git a/packages/shared/common/src/datasource/index.ts b/packages/shared/common/src/datasource/index.ts
index f888015fb..fe4b250c5 100644
--- a/packages/shared/common/src/datasource/index.ts
+++ b/packages/shared/common/src/datasource/index.ts
@@ -1,4 +1,15 @@
 import { DataSourceErrorKind } from './DataSourceErrorKinds';
-import { LDFileDataSourceError, LDPollingError, LDStreamingError } from './errors';
+import {
+  LDFileDataSourceError,
+  LDPollingError,
+  LDStreamingError,
+  StreamingErrorHandler,
+} from './errors';
 
-export { DataSourceErrorKind, LDFileDataSourceError, LDPollingError, LDStreamingError };
+export {
+  DataSourceErrorKind,
+  LDFileDataSourceError,
+  LDPollingError,
+  LDStreamingError,
+  StreamingErrorHandler,
+};
diff --git a/packages/shared/common/src/index.ts b/packages/shared/common/src/index.ts
index 2d23590f0..ae3f9daf0 100644
--- a/packages/shared/common/src/index.ts
+++ b/packages/shared/common/src/index.ts
@@ -6,6 +6,7 @@ import {
   LDFileDataSourceError,
   LDPollingError,
   LDStreamingError,
+  StreamingErrorHandler,
 } from './datasource';
 
 export * from './api';
@@ -24,5 +25,6 @@ export {
   DataSourceErrorKind,
   LDPollingError,
   LDStreamingError,
+  StreamingErrorHandler,
   LDFileDataSourceError,
 };
diff --git a/packages/shared/common/src/internal/index.ts b/packages/shared/common/src/internal/index.ts
index eb2951786..27abb7993 100644
--- a/packages/shared/common/src/internal/index.ts
+++ b/packages/shared/common/src/internal/index.ts
@@ -2,4 +2,3 @@ export * from './context';
 export * from './diagnostics';
 export * from './evaluation';
 export * from './events';
-export * from './stream';
diff --git a/packages/shared/common/src/internal/stream/index.ts b/packages/shared/common/src/internal/stream/index.ts
deleted file mode 100644
index 82a6edfe5..000000000
--- a/packages/shared/common/src/internal/stream/index.ts
+++ /dev/null
@@ -1,5 +0,0 @@
-import StreamingProcessor from './StreamingProcessor';
-import type { StreamingErrorHandler } from './types';
-
-export { StreamingProcessor };
-export type { StreamingErrorHandler };
diff --git a/packages/shared/common/src/internal/stream/types.ts b/packages/shared/common/src/internal/stream/types.ts
deleted file mode 100644
index 4b84650e6..000000000
--- a/packages/shared/common/src/internal/stream/types.ts
+++ /dev/null
@@ -1,3 +0,0 @@
-import { LDStreamingError } from '../../datasource/errors';
-
-export type StreamingErrorHandler = (err: LDStreamingError) => void;
diff --git a/packages/shared/common/__tests__/internal/stream/StreamingProcessor.test.ts b/packages/shared/sdk-server/__tests__/data_sources/StreamingProcessor.test.ts
similarity index 91%
rename from packages/shared/common/__tests__/internal/stream/StreamingProcessor.test.ts
rename to packages/shared/sdk-server/__tests__/data_sources/StreamingProcessor.test.ts
index 293e35124..f2b7b21aa 100644
--- a/packages/shared/common/__tests__/internal/stream/StreamingProcessor.test.ts
+++ b/packages/shared/sdk-server/__tests__/data_sources/StreamingProcessor.test.ts
@@ -1,11 +1,17 @@
-import { EventName, Info, LDLogger, ProcessStreamResponse } from '../../../src/api';
-import { LDStreamProcessor } from '../../../src/api/subsystem';
-import { DataSourceErrorKind } from '../../../src/datasource/DataSourceErrorKinds';
-import { LDStreamingError } from '../../../src/datasource/errors';
-import { DiagnosticsManager } from '../../../src/internal/diagnostics';
-import StreamingProcessor from '../../../src/internal/stream/StreamingProcessor';
-import { defaultHeaders } from '../../../src/utils';
-import { createBasicPlatform } from '../../createBasicPlatform';
+import {
+  DataSourceErrorKind,
+  defaultHeaders,
+  EventName,
+  Info,
+  internal,
+  LDLogger,
+  LDStreamingError,
+  ProcessStreamResponse,
+  subsystem,
+} from '@launchdarkly/js-sdk-common';
+
+import StreamingProcessor from '../../src/data_sources/StreamingProcessor';
+import { createBasicPlatform } from '../createBasicPlatform';
 
 let logger: LDLogger;
 
@@ -61,8 +67,8 @@ const createMockEventSource = (streamUri: string = '', options: any = {}) => ({
 
 describe('given a stream processor with mock event source', () => {
   let info: Info;
-  let streamingProcessor: LDStreamProcessor;
-  let diagnosticsManager: DiagnosticsManager;
+  let streamingProcessor: subsystem.LDStreamProcessor;
+  let diagnosticsManager: internal.DiagnosticsManager;
   let listeners: Map<EventName, ProcessStreamResponse>;
   let mockEventSource: any;
   let mockListener: ProcessStreamResponse;
@@ -104,7 +110,7 @@ describe('given a stream processor with mock event source', () => {
     listeners.set('put', mockListener);
     listeners.set('patch', mockListener);
 
-    diagnosticsManager = new DiagnosticsManager(sdkKey, basicPlatform, {});
+    diagnosticsManager = new internal.DiagnosticsManager(sdkKey, basicPlatform, {});
     streamingProcessor = new StreamingProcessor(
       {
         basicConfiguration: getBasicConfiguration(logger),
diff --git a/packages/shared/sdk-server/src/LDClientImpl.ts b/packages/shared/sdk-server/src/LDClientImpl.ts
index 08a25dba2..44a355158 100644
--- a/packages/shared/sdk-server/src/LDClientImpl.ts
+++ b/packages/shared/sdk-server/src/LDClientImpl.ts
@@ -36,6 +36,7 @@ import { createStreamListeners } from './data_sources/createStreamListeners';
 import DataSourceUpdates from './data_sources/DataSourceUpdates';
 import PollingProcessor from './data_sources/PollingProcessor';
 import Requestor from './data_sources/Requestor';
+import StreamingProcessor from './data_sources/StreamingProcessor';
 import createDiagnosticsInitConfig from './diagnostics/createDiagnosticsInitConfig';
 import { allAsync } from './evaluation/collection';
 import { Flag } from './evaluation/data/Flag';
@@ -220,7 +221,7 @@ export default class LDClientImpl implements LDClient {
     });
     const makeDefaultProcessor = () =>
       config.stream
-        ? new internal.StreamingProcessor(
+        ? new StreamingProcessor(
             clientContext,
             '/all',
             [],
diff --git a/packages/shared/common/src/internal/stream/StreamingProcessor.ts b/packages/shared/sdk-server/src/data_sources/StreamingProcessor.ts
similarity index 86%
rename from packages/shared/common/src/internal/stream/StreamingProcessor.ts
rename to packages/shared/sdk-server/src/data_sources/StreamingProcessor.ts
index 5ffcc90cf..e752f4863 100644
--- a/packages/shared/common/src/internal/stream/StreamingProcessor.ts
+++ b/packages/shared/sdk-server/src/data_sources/StreamingProcessor.ts
@@ -1,19 +1,21 @@
 import {
+  ClientContext,
+  DataSourceErrorKind,
   EventName,
   EventSource,
+  getStreamingUri,
+  httpErrorMessage,
   HttpErrorResponse,
+  internal,
+  LDHeaders,
   LDLogger,
+  LDStreamingError,
   ProcessStreamResponse,
   Requests,
-} from '../../api';
-import { LDStreamProcessor } from '../../api/subsystem';
-import { DataSourceErrorKind } from '../../datasource/DataSourceErrorKinds';
-import { LDStreamingError } from '../../datasource/errors';
-import { ClientContext } from '../../options';
-import { getStreamingUri } from '../../options/ServiceEndpoints';
-import { httpErrorMessage, LDHeaders, shouldRetry } from '../../utils';
-import { DiagnosticsManager } from '../diagnostics';
-import { StreamingErrorHandler } from './types';
+  shouldRetry,
+  StreamingErrorHandler,
+  subsystem,
+} from '@launchdarkly/js-sdk-common';
 
 const reportJsonError = (
   type: string,
@@ -28,8 +30,7 @@ const reportJsonError = (
   );
 };
 
-// TODO: SDK-156 - Move to Server SDK specific location
-class StreamingProcessor implements LDStreamProcessor {
+export default class StreamingProcessor implements subsystem.LDStreamProcessor {
   private readonly _headers: { [key: string]: string | string[] };
   private readonly _streamUri: string;
   private readonly _logger?: LDLogger;
@@ -44,7 +45,7 @@ class StreamingProcessor implements LDStreamProcessor {
     parameters: { key: string; value: string }[],
     private readonly _listeners: Map<EventName, ProcessStreamResponse>,
     baseHeaders: LDHeaders,
-    private readonly _diagnosticsManager?: DiagnosticsManager,
+    private readonly _diagnosticsManager?: internal.DiagnosticsManager,
     private readonly _errorHandler?: StreamingErrorHandler,
     private readonly _streamInitialReconnectDelay = 1,
   ) {
@@ -167,5 +168,3 @@ class StreamingProcessor implements LDStreamProcessor {
     this.stop();
   }
 }
-
-export default StreamingProcessor;