diff --git a/core-buffer/include/SFWriter.hpp b/core-buffer/include/SFWriter.hpp
index 5ea6900..b8fd593 100644
--- a/core-buffer/include/SFWriter.hpp
+++ b/core-buffer/include/SFWriter.hpp
@@ -20,9 +20,6 @@ class SFWriter {
     H5::DataSet daq_rec_dataset_;
     H5::DataSet n_received_packets_dataset_;
 
-    std::unique_ptr<char[]> image_buffer_;
-    size_t image_buffer_count_;
-
 public:
     SFWriter(
             const std::string& output_file,
diff --git a/core-buffer/src/SFWriter.cpp b/core-buffer/src/SFWriter.cpp
index 5d16254..a7bd827 100644
--- a/core-buffer/src/SFWriter.cpp
+++ b/core-buffer/src/SFWriter.cpp
@@ -15,8 +15,7 @@ SFWriter::SFWriter(
         const size_t n_modules) :
         n_frames_(n_frames),
         n_modules_(n_modules),
-        current_write_index_(0),
-        image_buffer_count_(0)
+        current_write_index_(0)
 {
     file_ = H5::H5File(output_file, H5F_ACC_TRUNC);
 
@@ -58,10 +57,6 @@ SFWriter::SFWriter(
             "n_received_packets",
             H5::PredType::NATIVE_UINT16,
             metadata_dataspace);
-
-    image_buffer_ = make_unique<char[]>(
-            n_modules_ * MODULE_N_BYTES * WRITER_BUFFER_SIZE);
-    image_buffer_count_ = 0;
 }
 
 SFWriter::~SFWriter()
@@ -108,8 +103,8 @@ void SFWriter::write(shared_ptr<DetectorFrame> metadata, char* data) {
                 H5P_DEFAULT,
                 0,
                 offset,
-                MODULE_N_BYTES * n_modules_ * WRITER_BUFFER_SIZE,
-                image_buffer_.get()))
+                MODULE_N_BYTES * n_modules_,
+                data))
         {
             stringstream error_message;
             using namespace date;