diff --git a/webrtc/modules/audio_processing/aec/aec_core.cc b/webrtc/modules/audio_processing/aec/aec_core.cc
index f64617e5db..3155bad972 100644
--- a/webrtc/modules/audio_processing/aec/aec_core.cc
+++ b/webrtc/modules/audio_processing/aec/aec_core.cc
@@ -206,18 +206,15 @@ void BlockBuffer::ExtractExtendedBlock(float extended_block[PART_LEN2]) {
 
   // Extract the previous block.
   WebRtc_MoveReadPtr(buffer_, -1);
-  size_t read_elements = WebRtc_ReadBuffer(
-      buffer_, reinterpret_cast<void**>(&block_ptr), &extended_block[0], 1);
-  RTC_CHECK_EQ(read_elements, 1);
+  WebRtc_ReadBuffer(buffer_, reinterpret_cast<void**>(&block_ptr),
+                    &extended_block[0], 1);
   if (block_ptr != &extended_block[0]) {
     memcpy(&extended_block[0], block_ptr, PART_LEN * sizeof(float));
   }
 
   // Extract the current block.
-  read_elements =
-      WebRtc_ReadBuffer(buffer_, reinterpret_cast<void**>(&block_ptr),
-                        &extended_block[PART_LEN], 1);
-  RTC_CHECK_EQ(read_elements, 1);
+  WebRtc_ReadBuffer(buffer_, reinterpret_cast<void**>(&block_ptr),
+                    &extended_block[PART_LEN], 1);
   if (block_ptr != &extended_block[PART_LEN]) {
     memcpy(&extended_block[PART_LEN], block_ptr, PART_LEN * sizeof(float));
   }