diff --git a/jf-assembler/README.md b/jf-assembler/README.md
index ce21a4d..7da1a76 100644
--- a/jf-assembler/README.md
+++ b/jf-assembler/README.md
@@ -130,8 +130,6 @@ We use following fields in the JSON header:
 |daq_rec|uint32|daqrec from detector header|
 |pedestal_file|string|Path to pedestal file|
 |gain_file|string|Path to gain file|
-|number_frames_expected|int|Number of expected frames|
-|run_name|string|Name of the run|
 |detector_name|string|Name of the detector|
 |htype|string|Value: "array-1.0"|
 |type|string|Value: "uint16"|
@@ -176,4 +174,4 @@ format.
 ![image_pulse_stream](../docs/sf_daq_buffer-PulseStream.jpg)
 
 This is also a "public interface" for anyone who wants to get the current 
-system pulse_id.
\ No newline at end of file
+system pulse_id.
diff --git a/sf-stream/README.md b/sf-stream/README.md
index ce21a4d..7da1a76 100644
--- a/sf-stream/README.md
+++ b/sf-stream/README.md
@@ -130,8 +130,6 @@ We use following fields in the JSON header:
 |daq_rec|uint32|daqrec from detector header|
 |pedestal_file|string|Path to pedestal file|
 |gain_file|string|Path to gain file|
-|number_frames_expected|int|Number of expected frames|
-|run_name|string|Name of the run|
 |detector_name|string|Name of the detector|
 |htype|string|Value: "array-1.0"|
 |type|string|Value: "uint16"|
@@ -176,4 +174,4 @@ format.
 ![image_pulse_stream](../docs/sf_daq_buffer-PulseStream.jpg)
 
 This is also a "public interface" for anyone who wants to get the current 
-system pulse_id.
\ No newline at end of file
+system pulse_id.
diff --git a/sf-stream/src/ZmqLiveSender.cpp b/sf-stream/src/ZmqLiveSender.cpp
index 67b44c7..0fe4eb6 100644
--- a/sf-stream/src/ZmqLiveSender.cpp
+++ b/sf-stream/src/ZmqLiveSender.cpp
@@ -74,14 +74,6 @@ void ZmqLiveSender::send(const ImageMetadata& meta, const char *data)
     gain_file.SetString(config_.GAIN_FILENAME.c_str(), header_alloc);
     header.AddMember("gain_file", gain_file, header_alloc);
 
-    header.AddMember("number_frames_expected", 10000, header_alloc);
-
-    rapidjson::Value run_name;
-    run_name.SetString(
-            to_string(uint64_t(meta.pulse_id/10000)*10000).c_str(),
-            header_alloc);
-    header.AddMember("run_name", run_name, header_alloc);
-
     rapidjson::Value detector_name;
     detector_name.SetString(config_.detector_name.c_str(), header_alloc);
     header.AddMember("detector_name", detector_name, header_alloc);