diff --git a/components/support/error/android/src/main/java/mozilla/appservices/errorsupport/RustComponentsErrorTelemetry.kt b/components/support/error/android/src/main/java/mozilla/appservices/errorsupport/RustComponentsErrorTelemetry.kt
index 4f887c2ff0..722e974e3e 100644
--- a/components/support/error/android/src/main/java/mozilla/appservices/errorsupport/RustComponentsErrorTelemetry.kt
+++ b/components/support/error/android/src/main/java/mozilla/appservices/errorsupport/RustComponentsErrorTelemetry.kt
@@ -57,13 +57,6 @@ internal data class TracingErrorFields(
     val breadcrumbs: String,
 )
 
-@Serializable
-internal data class TracingBreadcrumbFields(
-    val module: String,
-    val line: UInt,
-    val column: UInt,
-)
-
 private class ErrorEventSink : EventSink {
     val json = Json { ignoreUnknownKeys = true }
 
@@ -74,54 +67,6 @@ private class ErrorEventSink : EventSink {
             RustComponentErrors.details.set(event.message)
             RustComponentErrors.breadcrumbs.set(fields.breadcrumbs.split("\n"))
             Pings.rustComponentErrors.submit()
-
-            ApplicationErrorReporterRegistry.errorReporter?.reportError(fields.typeName, event.message)
-        } else if (event.target == "app-services-error-reporter::breadcrumb") {
-            val fields = json.decodeFromString<TracingBreadcrumbFields>(event.fields)
-
-            ApplicationErrorReporterRegistry.errorReporter?.reportBreadcrumb(
-                event.message,
-                fields.module,
-                fields.line,
-                fields.column,
-            )
         }
     }
 }
-
-/**
- * Report Rust errors to Sentry (supplied by the application
- *
- * This represents the legacy error reporting interface. We're keeping this around for now so that
- * Android can send errors to Sentry.  At some point we should migrate Android to only use
- * Glean-based error reporting.
- */
-public interface ApplicationErrorReporter {
-    /**
-     * Report an error
-     */
-    fun reportError(typeName: String, message: String)
-
-    /**
-     * Report a breadbcrumb
-     */
-    fun reportBreadcrumb(message: String, module: String, line: UInt, column: UInt)
-}
-
-/**
- * Set the global ApplicationErrorReporter
- */
-public fun setApplicationErrorReporter(errorReporter: ApplicationErrorReporter) {
-    ApplicationErrorReporterRegistry.errorReporter = errorReporter
-}
-
-/**
- * Unset the global ApplicationErrorReporter
- */
-public fun unsetApplicationErrorReporter() {
-    ApplicationErrorReporterRegistry.errorReporter = null
-}
-
-internal object ApplicationErrorReporterRegistry {
-    var errorReporter: ApplicationErrorReporter? = null
-}