diff --git a/core-buffer/test/test_SFWriter.cpp b/core-buffer/test/test_SFWriter.cpp
index 22b23d3..ba1a72b 100644
--- a/core-buffer/test/test_SFWriter.cpp
+++ b/core-buffer/test/test_SFWriter.cpp
@@ -8,21 +8,11 @@ TEST(SFWriter, basic_interaction)
     size_t n_modules = 2;
     size_t n_frames = 5;
 
-    RingBuffer<DetectorFrame> ring_buffer(10);
-    ring_buffer.initialize(MODULE_N_BYTES*n_modules);
-
     auto data = make_unique<char[]>(n_modules*MODULE_N_BYTES);
     auto metadata = make_shared<DetectorFrame>();
-    metadata->frame_bytes_size = n_modules*MODULE_N_BYTES;
-
-    auto* rb_pointer = ring_buffer.reserve(metadata);
-    memcpy(rb_pointer, data.get(), n_modules*MODULE_N_BYTES);
-    ring_buffer.commit(metadata);
-
-    auto rb_data = ring_buffer.read();
 
     SFWriter writer("ignore.h5", n_frames, n_modules);
-    writer.write(rb_data.first, rb_data.second);
+    writer.write(metadata.get(), data.get());
     writer.close_file();
 
     // TODO: Write some test.