diff --git a/packages/rum-core/src/boot/rumPublicApi.spec.ts b/packages/rum-core/src/boot/rumPublicApi.spec.ts
index 34fbf300f1..f8596e68da 100644
--- a/packages/rum-core/src/boot/rumPublicApi.spec.ts
+++ b/packages/rum-core/src/boot/rumPublicApi.spec.ts
@@ -1,4 +1,4 @@
-import { ErrorSource, ONE_SECOND, RelativeTime, getTimeStamp, display, TimeStamp } from '@datadog/browser-core'
+import { ONE_SECOND, RelativeTime, getTimeStamp, display, TimeStamp } from '@datadog/browser-core'
 import { setup, TestSetupBuilder } from '../../test/specHelper'
 import { ActionType } from '../rawRumEvent.types'
 import { makeRumPublicApi, RumPublicApi, RumInitConfiguration, StartRum } from './rumPublicApi'
@@ -280,27 +280,12 @@ describe('rum public api', () => {
           context: undefined,
           error: new Error('foo'),
           handlingStack: jasmine.any(String),
-          source: ErrorSource.CUSTOM,
           startClocks: jasmine.any(Object),
         },
         { context: {}, user: {} },
       ])
     })
 
-    it('allows setting an ErrorSource', () => {
-      rumPublicApi.init(DEFAULT_INIT_CONFIGURATION)
-      rumPublicApi.addError(new Error('foo'), undefined, ErrorSource.SOURCE)
-      expect(addErrorSpy.calls.argsFor(0)[0].source).toBe(ErrorSource.SOURCE)
-    })
-
-    it('fallbacks to ErrorSource.CUSTOM if an invalid source is given', () => {
-      const displaySpy = spyOn(display, 'error')
-      rumPublicApi.init(DEFAULT_INIT_CONFIGURATION)
-      rumPublicApi.addError(new Error('foo'), undefined, 'invalid' as any)
-      expect(addErrorSpy.calls.argsFor(0)[0].source).toBe(ErrorSource.CUSTOM)
-      expect(displaySpy).toHaveBeenCalledWith("DD_RUM.addError: Invalid source 'invalid'")
-    })
-
     it('should generate a handling stack', () => {
       rumPublicApi.init(DEFAULT_INIT_CONFIGURATION)
       function triggerError() {
diff --git a/packages/rum-core/src/boot/rumPublicApi.ts b/packages/rum-core/src/boot/rumPublicApi.ts
index c9ac4e8aee..bf14d7baa4 100644
--- a/packages/rum-core/src/boot/rumPublicApi.ts
+++ b/packages/rum-core/src/boot/rumPublicApi.ts
@@ -6,7 +6,6 @@ import {
   Context,
   createContextManager,
   deepClone,
-  ErrorSource,
   isPercentage,
   makePublicApi,
   monitor,
@@ -20,7 +19,6 @@ import {
   callMonitored,
   createHandlingStack,
 } from '@datadog/browser-core'
-import { ProvidedSource } from '../domain/rumEventsCollection/error/errorCollection'
 import { RumEventDomainContext } from '../domainContext.types'
 import { CommonContext, User, ActionType } from '../rawRumEvent.types'
 import { RumEvent } from '../rumEvent.types'
@@ -161,21 +159,13 @@ export function makeRumPublicApi<C extends RumInitConfiguration>(startRumImpl: S
       rumPublicApi.addAction(name, context as Context)
     },
 
-    addError: (error: unknown, context?: object, source: ProvidedSource = ErrorSource.CUSTOM) => {
+    addError: (error: unknown, context?: object) => {
       const handlingStack = createHandlingStack()
       callMonitored(() => {
-        let checkedSource: ProvidedSource
-        if (source === ErrorSource.CUSTOM || source === ErrorSource.NETWORK || source === ErrorSource.SOURCE) {
-          checkedSource = source
-        } else {
-          display.error(`DD_RUM.addError: Invalid source '${source as string}'`)
-          checkedSource = ErrorSource.CUSTOM
-        }
         addErrorStrategy({
           error,
           handlingStack,
           context: deepClone(context as Context),
-          source: checkedSource,
           startClocks: clocksNow(),
         })
       })
diff --git a/packages/rum-core/src/domain/rumEventsCollection/error/errorCollection.spec.ts b/packages/rum-core/src/domain/rumEventsCollection/error/errorCollection.spec.ts
index 619b6f97fa..8dee16bf4d 100644
--- a/packages/rum-core/src/domain/rumEventsCollection/error/errorCollection.spec.ts
+++ b/packages/rum-core/src/domain/rumEventsCollection/error/errorCollection.spec.ts
@@ -33,7 +33,6 @@ describe('error collection', () => {
       addError({
         error,
         handlingStack: 'Error: handling foo',
-        source: ErrorSource.CUSTOM,
         startClocks: { relative: 1234 as RelativeTime, timeStamp: 123456789 as TimeStamp },
       })
 
@@ -69,7 +68,6 @@ describe('error collection', () => {
         context: { foo: 'bar' },
         error: new Error('foo'),
         handlingStack: 'Error: handling foo',
-        source: ErrorSource.CUSTOM,
         startClocks: { relative: 1234 as RelativeTime, timeStamp: 123456789 as TimeStamp },
       })
       expect(rawRumEvents[0].customerContext).toEqual({
@@ -83,7 +81,6 @@ describe('error collection', () => {
         {
           error: new Error('foo'),
           handlingStack: 'Error: handling foo',
-          source: ErrorSource.CUSTOM,
           startClocks: { relative: 1234 as RelativeTime, timeStamp: 123456789 as TimeStamp },
         },
         { context: { foo: 'bar' }, user: {} }
@@ -99,7 +96,6 @@ describe('error collection', () => {
         {
           error: new Error('foo'),
           handlingStack: 'Error: handling foo',
-          source: ErrorSource.CUSTOM,
           startClocks: { relative: 1234 as RelativeTime, timeStamp: 123456789 as TimeStamp },
         },
         { context: {}, user: { id: 'foo' } }
@@ -113,7 +109,6 @@ describe('error collection', () => {
       const { rawRumEvents } = setupBuilder.build()
       addError({
         error: { foo: 'bar' },
-        source: ErrorSource.CUSTOM,
         handlingStack: 'Error: handling foo',
         startClocks: { relative: 1234 as RelativeTime, timeStamp: 123456789 as TimeStamp },
       })
diff --git a/packages/rum-core/src/domain/rumEventsCollection/error/errorCollection.ts b/packages/rum-core/src/domain/rumEventsCollection/error/errorCollection.ts
index 4253302cc2..ff21473f7d 100644
--- a/packages/rum-core/src/domain/rumEventsCollection/error/errorCollection.ts
+++ b/packages/rum-core/src/domain/rumEventsCollection/error/errorCollection.ts
@@ -4,6 +4,7 @@ import {
   Context,
   formatUnknownError,
   RawError,
+  ErrorSource,
   ClocksState,
   generateUUID,
   ErrorHandling,
@@ -20,12 +21,9 @@ export interface ProvidedError {
   startClocks: ClocksState
   error: unknown
   context?: Context
-  source: ProvidedSource
   handlingStack: string
 }
 
-export type ProvidedSource = 'custom' | 'network' | 'source'
-
 export function startErrorCollection(
   lifeCycle: LifeCycle,
   configuration: Configuration,
@@ -54,10 +52,10 @@ export function doStartErrorCollection(lifeCycle: LifeCycle, foregroundContexts:
 
   return {
     addError: (
-      { error, handlingStack, startClocks, context: customerContext, source }: ProvidedError,
+      { error, handlingStack, startClocks, context: customerContext }: ProvidedError,
       savedCommonContext?: CommonContext
     ) => {
-      const rawError = computeRawError(error, handlingStack, startClocks, source)
+      const rawError = computeRawError(error, handlingStack, startClocks)
       lifeCycle.notify(LifeCycleEventType.RAW_ERROR_COLLECTED, {
         customerContext,
         savedCommonContext,
@@ -67,16 +65,11 @@ export function doStartErrorCollection(lifeCycle: LifeCycle, foregroundContexts:
   }
 }
 
-function computeRawError(
-  error: unknown,
-  handlingStack: string,
-  startClocks: ClocksState,
-  source: ProvidedSource
-): RawError {
+function computeRawError(error: unknown, handlingStack: string, startClocks: ClocksState): RawError {
   const stackTrace = error instanceof Error ? computeStackTrace(error) : undefined
   return {
     startClocks,
-    source,
+    source: ErrorSource.CUSTOM,
     originalError: error,
     ...formatUnknownError(stackTrace, error, 'Provided', handlingStack),
     handling: ErrorHandling.HANDLED,
diff --git a/packages/rum-core/src/index.ts b/packages/rum-core/src/index.ts
index 96a9722b4d..4c6c092da8 100644
--- a/packages/rum-core/src/index.ts
+++ b/packages/rum-core/src/index.ts
@@ -5,7 +5,6 @@ export {
   makeRumPublicApi,
   StartRum,
 } from './boot/rumPublicApi'
-export { ProvidedSource } from './domain/rumEventsCollection/error/errorCollection'
 export {
   RumEvent,
   RumActionEvent,
diff --git a/packages/rum-recorder/src/index.ts b/packages/rum-recorder/src/index.ts
index e6e2cae791..281939ae89 100644
--- a/packages/rum-recorder/src/index.ts
+++ b/packages/rum-recorder/src/index.ts
@@ -2,7 +2,6 @@
 export { datadogRum } from './boot/recorder.entry'
 export {
   CommonProperties,
-  ProvidedSource,
   RumInitConfiguration,
   RumUserConfiguration,
   // Events
diff --git a/packages/rum/src/index.ts b/packages/rum/src/index.ts
index 16abaeffdf..3d5ef5e41a 100644
--- a/packages/rum/src/index.ts
+++ b/packages/rum/src/index.ts
@@ -2,7 +2,6 @@
 export { datadogRum } from './boot/rum.entry'
 export {
   CommonProperties,
-  ProvidedSource,
   RumPublicApi as RumGlobal,
   RumInitConfiguration,
   RumUserConfiguration,