diff --git a/openair1/PHY/CODING/TESTBENCH/ldpctest.c b/openair1/PHY/CODING/TESTBENCH/ldpctest.c
index 0e0493dcc6..97b39beaf8 100644
--- a/openair1/PHY/CODING/TESTBENCH/ldpctest.c
+++ b/openair1/PHY/CODING/TESTBENCH/ldpctest.c
@@ -352,9 +352,6 @@ one_measurement_t test_ldpc(short max_iterations,
       set_abort(&dec_abort, false);
 
       n_iter = ldpc_toCompare.LDPCdecoder(&decParams[j],
-                                          0,
-                                          0,
-                                          0,
                                           (int8_t *)channel_output_fixed[j],
                                           (int8_t *)estimated_output[j],
                                           &decoder_profiler,
diff --git a/openair1/PHY/CODING/nrLDPC_coding/nrLDPC_coding_segment/nrLDPC_coding_segment_decoder.c b/openair1/PHY/CODING/nrLDPC_coding/nrLDPC_coding_segment/nrLDPC_coding_segment_decoder.c
index c7bb47c581..3fece46ac8 100644
--- a/openair1/PHY/CODING/nrLDPC_coding/nrLDPC_coding_segment/nrLDPC_coding_segment_decoder.c
+++ b/openair1/PHY/CODING/nrLDPC_coding/nrLDPC_coding_segment/nrLDPC_coding_segment_decoder.c
@@ -215,8 +215,7 @@ static void nr_process_decode_segment(void *arg)
   //////////////////////////////////////////////////////////////////////////////////////////
 
   ////////////////////////////////// pl =====> llrProcBuf //////////////////////////////////
-  int decodeIterations =
-      LDPCdecoder(p_decoderParms, 0, 0, 0, l, llrProcBuf, p_procTime, rdata->abort_decode);
+  int decodeIterations = LDPCdecoder(p_decoderParms, l, llrProcBuf, p_procTime, rdata->abort_decode);
 
   if (decodeIterations < p_decoderParms->numMaxIter) {
     memcpy(rdata->c, llrProcBuf, K >> 3);
diff --git a/openair1/PHY/CODING/nrLDPC_decoder/nrLDPC_decoder.c b/openair1/PHY/CODING/nrLDPC_decoder/nrLDPC_decoder.c
index e2ed7fce10..d3b9a58da1 100644
--- a/openair1/PHY/CODING/nrLDPC_decoder/nrLDPC_decoder.c
+++ b/openair1/PHY/CODING/nrLDPC_decoder/nrLDPC_decoder.c
@@ -170,9 +170,6 @@ int32_t LDPCshutdown()
 }
 
 int32_t LDPCdecoder(t_nrLDPC_dec_params* p_decParams,
-                    uint8_t harq_pid,
-                    uint8_t ulsch_id,
-                    uint8_t C,
                     int8_t* p_llr,
                     int8_t* p_out,
                     t_nrLDPC_time_stats* p_profiler,
diff --git a/openair1/PHY/CODING/nrLDPC_decoder/nrLDPC_decoder_CL.c b/openair1/PHY/CODING/nrLDPC_decoder/nrLDPC_decoder_CL.c
index 1766c0f072..49e3c80791 100644
--- a/openair1/PHY/CODING/nrLDPC_decoder/nrLDPC_decoder_CL.c
+++ b/openair1/PHY/CODING/nrLDPC_decoder/nrLDPC_decoder_CL.c
@@ -339,9 +339,6 @@ int32_t LDPCinit()
 }
 
 int32_t LDPCdecoder(t_nrLDPC_dec_params *p_decParams,
-                    uint8_t harq_pid,
-                    uint8_t ulsch_id,
-                    uint8_t C,
                     int8_t *p_llr,
                     int8_t *p_out,
                     t_nrLDPC_time_stats *time_decoder,
diff --git a/openair1/PHY/CODING/nrLDPC_decoder_LYC/nrLDPC_decoder_LYC.cu b/openair1/PHY/CODING/nrLDPC_decoder_LYC/nrLDPC_decoder_LYC.cu
index aa85716947..9752631fb8 100644
--- a/openair1/PHY/CODING/nrLDPC_decoder_LYC/nrLDPC_decoder_LYC.cu
+++ b/openair1/PHY/CODING/nrLDPC_decoder_LYC/nrLDPC_decoder_LYC.cu
@@ -506,9 +506,6 @@ extern "C" void LDPCshutdown()
 }
 
 extern "C"  int32_t LDPCdecoder(t_nrLDPC_dec_params *p_decParams,
-                                    uint8_t harq_pid,
-                                    uint8_t ulsch_id,
-                                    uint8_t C,
                                     int8_t *p_llr,
                                     int8_t *p_out,
                                     t_nrLDPC_time_stats *,
diff --git a/openair1/PHY/CODING/nrLDPC_defs.h b/openair1/PHY/CODING/nrLDPC_defs.h
index 2298400078..9abb048d83 100644
--- a/openair1/PHY/CODING/nrLDPC_defs.h
+++ b/openair1/PHY/CODING/nrLDPC_defs.h
@@ -29,7 +29,7 @@
    \brief LDPC encoder parameter structure
    \var n_segments number of segments in the transport block
    \var first_seg index of the first segment of the subset to encode
-   within the transport block 
+   within the transport block
    \var gen_code flag to generate parity check code
    0 -> encoding
    1 -> generate parity check code with AVX2
@@ -52,8 +52,8 @@
 */
 typedef struct {
   unsigned int n_segments; // optim8seg
-  unsigned int first_seg;  // optim8segmulti
-  unsigned char gen_code;  //orig
+  unsigned int first_seg; // optim8segmulti
+  unsigned char gen_code; // orig
   time_stats_t *tinput;
   time_stats_t *tprep;
   time_stats_t *tparity;
@@ -75,22 +75,20 @@ typedef struct {
 
 typedef int32_t(LDPC_initfunc_t)(void);
 typedef int32_t(LDPC_shutdownfunc_t)(void);
+
 // decoder interface
 /**
    \brief LDPC decoder API type definition
    \param p_decParams LDPC decoder parameters
    \param p_llr Input LLRs
    \param p_llrOut Output vector
-   \param p_profiler LDPC profiler statistics
+   \param time_stats time statistics
+   \param ab structure shared between tasks to stop all the tasks if one fails
 */
-
 typedef int32_t(LDPC_decoderfunc_t)(t_nrLDPC_dec_params *p_decParams,
-                                    uint8_t harq_pid,
-                                    uint8_t ulsch_id,
-                                    uint8_t C,
                                     int8_t *p_llr,
                                     int8_t *p_out,
-                                    t_nrLDPC_time_stats *,
+                                    t_nrLDPC_time_stats *time_stats,
                                     decode_abort_t *ab);
 typedef int32_t(LDPC_encoderfunc_t)(uint8_t **, uint8_t *, encoder_implemparams_t *);