diff --git a/src/core/init/types.ts b/src/core/init/types.ts
index 7effac621b..d325de6b0d 100644
--- a/src/core/init/types.ts
+++ b/src/core/init/types.ts
@@ -231,8 +231,6 @@ export interface IContentInitializerEvents {
     segment : ISegment;
     /** TimeRanges of the concerned SegmentBuffer after the segment was pushed. */
     buffered : TimeRanges | null;
-    /* The data pushed */
-    segmentData : unknown;
   };
   /**
    * Event emitted when one or multiple inband events (i.e. events inside a
diff --git a/src/core/stream/adaptation/adaptation_stream.ts b/src/core/stream/adaptation/adaptation_stream.ts
index b199a7fe33..1b6f630540 100644
--- a/src/core/stream/adaptation/adaptation_stream.ts
+++ b/src/core/stream/adaptation/adaptation_stream.ts
@@ -57,7 +57,7 @@ import {
  * triggered, to immediately stop all operations the `AdaptationStream` is
  * doing.
  */
-export default function AdaptationStream<T>(
+export default function AdaptationStream(
   { playbackObserver,
     content,
     options,
@@ -66,7 +66,7 @@ export default function AdaptationStream<T>(
     segmentFetcherCreator,
     wantedBufferAhead,
     maxVideoBufferSize } : IAdaptationStreamArguments,
-  callbacks : IAdaptationStreamCallbacks<T>,
+  callbacks : IAdaptationStreamCallbacks,
   parentCancelSignal : CancellationSignal
 ) : void {
   const { manifest, period, adaptation } = content;
@@ -298,7 +298,7 @@ export default function AdaptationStream<T>(
       return ; // previous callback has stopped everything by side-effect
     }
 
-    const representationStreamCallbacks : IRepresentationStreamCallbacks<T> = {
+    const representationStreamCallbacks : IRepresentationStreamCallbacks = {
       streamStatusUpdate: callbacks.streamStatusUpdate,
       encryptionDataEncountered: callbacks.encryptionDataEncountered,
       manifestMightBeOufOfSync: callbacks.manifestMightBeOufOfSync,
@@ -346,7 +346,7 @@ export default function AdaptationStream<T>(
   function createRepresentationStream(
     representation : Representation,
     terminateCurrentStream : IReadOnlySharedReference<ITerminationOrder | null>,
-    representationStreamCallbacks : IRepresentationStreamCallbacks<T>,
+    representationStreamCallbacks : IRepresentationStreamCallbacks,
     fnCancelSignal : CancellationSignal
   ) : void {
     const bufferGoalCanceller = new TaskCanceller();
diff --git a/src/core/stream/adaptation/types.ts b/src/core/stream/adaptation/types.ts
index d571f0ddc0..c10ed4b158 100644
--- a/src/core/stream/adaptation/types.ts
+++ b/src/core/stream/adaptation/types.ts
@@ -22,8 +22,8 @@ import {
 } from "../representation";
 
 /** Callbacks called by the `AdaptationStream` on various events. */
-export interface IAdaptationStreamCallbacks<T>
-  extends Omit<IRepresentationStreamCallbacks<T>, "terminating">
+export interface IAdaptationStreamCallbacks
+  extends Omit<IRepresentationStreamCallbacks, "terminating">
 {
   /** Called as new bitrate estimates are done. */
   bitrateEstimateChange(payload : IBitrateEstimateChangePayload) : void;
diff --git a/src/core/stream/period/period_stream.ts b/src/core/stream/period/period_stream.ts
index e97e7babb5..11f268ad64 100644
--- a/src/core/stream/period/period_stream.ts
+++ b/src/core/stream/period/period_stream.ts
@@ -480,7 +480,7 @@ function createEmptyAdaptationStream(
   wantedBufferAhead : IReadOnlySharedReference<number>,
   bufferType : IBufferType,
   content : { period : Period },
-  callbacks : Pick<IAdaptationStreamCallbacks<unknown>, "streamStatusUpdate">,
+  callbacks : Pick<IAdaptationStreamCallbacks, "streamStatusUpdate">,
   cancelSignal : CancellationSignal
 ) : void {
   const { period } = content;
diff --git a/src/core/stream/period/types.ts b/src/core/stream/period/types.ts
index ebfeab0a96..7af27fac5b 100644
--- a/src/core/stream/period/types.ts
+++ b/src/core/stream/period/types.ts
@@ -23,7 +23,7 @@ import { IPositionPlaybackObservation } from "../representation";
 
 /** Callbacks called by the `AdaptationStream` on various events. */
 export interface IPeriodStreamCallbacks extends
-  IAdaptationStreamCallbacks<unknown>
+  IAdaptationStreamCallbacks
 {
   /**
    * Called when a new `PeriodStream` is ready to start but needs an Adaptation
diff --git a/src/core/stream/representation/representation_stream.ts b/src/core/stream/representation/representation_stream.ts
index ccd01741be..99e2138772 100644
--- a/src/core/stream/representation/representation_stream.ts
+++ b/src/core/stream/representation/representation_stream.ts
@@ -89,7 +89,7 @@ export default function RepresentationStream<TSegmentDataType>(
     segmentBuffer,
     segmentFetcher,
     terminate } : IRepresentationStreamArguments<TSegmentDataType>,
-  callbacks : IRepresentationStreamCallbacks<TSegmentDataType>,
+  callbacks : IRepresentationStreamCallbacks,
   parentCancelSignal : CancellationSignal
 ) : void {
   const { period, adaptation, representation } = content;
diff --git a/src/core/stream/representation/types.ts b/src/core/stream/representation/types.ts
index e80ba989ae..5cdfbad69b 100644
--- a/src/core/stream/representation/types.ts
+++ b/src/core/stream/representation/types.ts
@@ -20,7 +20,7 @@ import {
 } from "../../segment_buffers";
 
 /** Callbacks called by the `RepresentationStream` on various events. */
-export interface IRepresentationStreamCallbacks<TSegmentDataType> {
+export interface IRepresentationStreamCallbacks {
   /**
    * Called to announce the current status regarding the buffer for its
    * associated Period and type (e.g. "audio", "video", "text" etc.).
@@ -30,7 +30,7 @@ export interface IRepresentationStreamCallbacks<TSegmentDataType> {
    */
   streamStatusUpdate(payload : IStreamStatusPayload) : void;
   /** Called after a new segment has been succesfully added to the SegmentBuffer */
-  addedSegment(payload : IStreamEventAddedSegmentPayload<TSegmentDataType>) : void;
+  addedSegment(payload : IStreamEventAddedSegmentPayload) : void;
   /** Called when a segment with protection information has been encountered. */
   encryptionDataEncountered(payload : IContentProtection[]) : void;
   /**
@@ -127,7 +127,7 @@ export interface IStreamStatusPayload {
 }
 
 /** Payload for the `addedSegment` callback. */
-export interface IStreamEventAddedSegmentPayload<T> {
+export interface IStreamEventAddedSegmentPayload {
   /** Context about the content that has been added. */
   content: { period : Period;
              adaptation : Adaptation;
@@ -136,8 +136,6 @@ export interface IStreamEventAddedSegmentPayload<T> {
   segment : ISegment;
   /** TimeRanges of the concerned SegmentBuffer after the segment was pushed. */
   buffered : TimeRanges | null;
-  /* The data pushed */
-  segmentData : T;
 }
 
 /** Structure describing an "inband" event, as found in a media segment. */
diff --git a/src/core/stream/representation/utils/push_init_segment.ts b/src/core/stream/representation/utils/push_init_segment.ts
index 03851b863b..8bad92adf5 100644
--- a/src/core/stream/representation/utils/push_init_segment.ts
+++ b/src/core/stream/representation/utils/push_init_segment.ts
@@ -45,7 +45,6 @@ export default async function pushInitSegment<T>(
     content,
     initSegmentUniqueId,
     segment,
-    segmentData,
     segmentBuffer,
   } : {
     playbackObserver : IReadOnlyPlaybackObserver<
@@ -61,7 +60,7 @@ export default async function pushInitSegment<T>(
     segmentBuffer : SegmentBuffer;
   },
   cancelSignal : CancellationSignal
-) : Promise< IStreamEventAddedSegmentPayload<T> | null > {
+) : Promise< IStreamEventAddedSegmentPayload | null > {
   if (cancelSignal.cancellationError !== null) {
     throw cancelSignal.cancellationError;
   }
@@ -80,5 +79,5 @@ export default async function pushInitSegment<T>(
                               segmentBuffer,
                               { data, inventoryInfos },
                               cancelSignal);
-  return { content, segment, buffered: null, segmentData };
+  return { content, segment, buffered: null };
 }
diff --git a/src/core/stream/representation/utils/push_media_segment.ts b/src/core/stream/representation/utils/push_media_segment.ts
index 5db21db6b1..5cbb4de07b 100644
--- a/src/core/stream/representation/utils/push_media_segment.ts
+++ b/src/core/stream/representation/utils/push_media_segment.ts
@@ -57,7 +57,7 @@ export default async function pushMediaSegment<T>(
     segment : ISegment;
     segmentBuffer : SegmentBuffer; },
   cancelSignal : CancellationSignal
-) : Promise< IStreamEventAddedSegmentPayload<T> | null > {
+) : Promise< IStreamEventAddedSegmentPayload | null > {
   if (parsedSegment.chunkData === null) {
     return null;
   }
@@ -108,5 +108,5 @@ export default async function pushMediaSegment<T>(
                               segmentBuffer,
                               { data, inventoryInfos },
                               cancelSignal);
-  return { content, segment, buffered: null, segmentData: chunkData };
+  return { content, segment, buffered: null };
 }