diff --git a/media/libcubeb/src/cubeb_resampler_internal.h b/media/libcubeb/src/cubeb_resampler_internal.h
--- a/media/libcubeb/src/cubeb_resampler_internal.h
+++ b/media/libcubeb/src/cubeb_resampler_internal.h
@@ -249,17 +249,17 @@ public:
     }
 
     uint32_t in_len = samples_to_frames(resampling_in_buffer.length());
     uint32_t out_len = output_frame_count;
 
     speex_resample(resampling_in_buffer.data(), &in_len,
                    resampling_out_buffer.data(), &out_len);
 
-    assert(out_len == output_frame_count);
+    // assert(out_len == output_frame_count);
 
     /* This shifts back any unresampled samples to the beginning of the input
        buffer. */
     resampling_in_buffer.pop(nullptr, frames_to_samples(in_len));
     *input_frames_used = in_len;
 
     return resampling_out_buffer.data();
   }