diff --git a/modules/rtp_rtcp/source/rtp_dependency_descriptor_extension.cc b/modules/rtp_rtcp/source/rtp_dependency_descriptor_extension.cc
index 27b0420926..5d61e66c9b 100644
--- a/modules/rtp_rtcp/source/rtp_dependency_descriptor_extension.cc
+++ b/modules/rtp_rtcp/source/rtp_dependency_descriptor_extension.cc
@@ -52,7 +52,7 @@ bool RtpDependencyDescriptorExtension::Write(
   return writer.Write();
 }
 
-bool RtpDependencyDescriptorExtensionMandatory::Parse(
+bool RtpDependencyDescriptorExtension::Parse(
     rtc::ArrayView<const uint8_t> data,
     DependencyDescriptorMandatory* descriptor) {
   if (data.size() < 3) {
diff --git a/modules/rtp_rtcp/source/rtp_dependency_descriptor_extension.h b/modules/rtp_rtcp/source/rtp_dependency_descriptor_extension.h
index a3e415917c..93498fb141 100644
--- a/modules/rtp_rtcp/source/rtp_dependency_descriptor_extension.h
+++ b/modules/rtp_rtcp/source/rtp_dependency_descriptor_extension.h
@@ -33,6 +33,11 @@ class RtpDependencyDescriptorExtension {
                     const FrameDependencyStructure* structure,
                     DependencyDescriptor* descriptor);
 
+  // Reads the mandatory part of the descriptor.
+  // Such read is stateless, i.e., doesn't require `FrameDependencyStructure`.
+  static bool Parse(rtc::ArrayView<const uint8_t> data,
+                    DependencyDescriptorMandatory* descriptor);
+
   static size_t ValueSize(const FrameDependencyStructure& structure,
                           const DependencyDescriptor& descriptor) {
     return ValueSize(structure, kAllChainsAreActive, descriptor);
@@ -54,16 +59,6 @@ class RtpDependencyDescriptorExtension {
   static constexpr std::bitset<32> kAllChainsAreActive = ~uint32_t{0};
 };
 
-// Trait to only read the mandatory part of the descriptor.
-class RtpDependencyDescriptorExtensionMandatory {
- public:
-  static constexpr webrtc::RTPExtensionType kId =
-      webrtc::RtpDependencyDescriptorExtension::kId;
-
-  static bool Parse(rtc::ArrayView<const uint8_t> data,
-                    DependencyDescriptorMandatory* descriptor);
-};
-
 }  // namespace webrtc
 
 #endif  // MODULES_RTP_RTCP_SOURCE_RTP_DEPENDENCY_DESCRIPTOR_EXTENSION_H_
diff --git a/video/rtp_video_stream_receiver2.cc b/video/rtp_video_stream_receiver2.cc
index 624f699b73..6b41acc1f2 100644
--- a/video/rtp_video_stream_receiver2.cc
+++ b/video/rtp_video_stream_receiver2.cc
@@ -432,7 +432,7 @@ RtpVideoStreamReceiver2::ParseGenericDependenciesExtension(
     RTPVideoHeader* video_header) {
   RTC_DCHECK_RUN_ON(&packet_sequence_checker_);
   if (DependencyDescriptorMandatory dd_mandatory;
-      rtp_packet.GetExtension<RtpDependencyDescriptorExtensionMandatory>(
+      rtp_packet.GetExtension<RtpDependencyDescriptorExtension>(
           &dd_mandatory)) {
     const int64_t frame_id =
         frame_id_unwrapper_.Unwrap(dd_mandatory.frame_number());