diff --git a/src/intel/compiler/brw_fs_nir.cpp b/src/intel/compiler/brw_fs_nir.cpp
index 80993d4be48..36b328ef7ff 100644
--- a/src/intel/compiler/brw_fs_nir.cpp
+++ b/src/intel/compiler/brw_fs_nir.cpp
@@ -2556,7 +2556,6 @@ fs_visitor::emit_gs_input_load(const fs_reg &dst,
                               dst.component_size(inst->exec_size);
       }
       inst->offset = base_offset + nir_src_as_uint(offset_src);
-      inst->mlen = 1;
    } else {
       /* Indirect indexing - use per-slot offsets as well. */
       unsigned read_components = num_components + first_component;
@@ -2582,7 +2581,6 @@ fs_visitor::emit_gs_input_load(const fs_reg &dst,
                               dst.component_size(inst->exec_size);
       }
       inst->offset = base_offset;
-      inst->mlen = 2;
    }
 }
 
@@ -2811,7 +2809,6 @@ fs_visitor::nir_emit_tcs_intrinsic(const fs_builder &bld,
                             ARRAY_SIZE(srcs));
          }
          inst->offset = imm_offset;
-         inst->mlen = 1;
       } else {
          /* Indirect indexing - use per-slot offsets as well. */
          srcs[URB_LOGICAL_SRC_PER_SLOT_OFFSETS] = indirect_offset;
@@ -2830,7 +2827,6 @@ fs_visitor::nir_emit_tcs_intrinsic(const fs_builder &bld,
                             srcs, ARRAY_SIZE(srcs));
          }
          inst->offset = imm_offset;
-         inst->mlen = 2;
       }
       inst->size_written = (num_components + first_component) *
                            inst->dst.component_size(inst->exec_size);
@@ -2884,7 +2880,6 @@ fs_visitor::nir_emit_tcs_intrinsic(const fs_builder &bld,
                inst->size_written = instr->num_components * REG_SIZE * reg_unit(devinfo);
             }
             inst->offset = imm_offset;
-            inst->mlen = 1;
          }
       } else {
          /* Indirect indexing - use per-slot offsets as well. */
@@ -2909,7 +2904,6 @@ fs_visitor::nir_emit_tcs_intrinsic(const fs_builder &bld,
             inst->size_written = instr->num_components * REG_SIZE * reg_unit(devinfo);
          }
          inst->offset = imm_offset;
-         inst->mlen = 2;
       }
       break;
    }
@@ -3036,7 +3030,6 @@ fs_visitor::nir_emit_tes_intrinsic(const fs_builder &bld,
                                srcs, ARRAY_SIZE(srcs));
                inst->size_written = instr->num_components * REG_SIZE * reg_unit(devinfo);
             }
-            inst->mlen = 1;
             inst->offset = imm_offset;
          }
       } else {
@@ -3066,7 +3059,6 @@ fs_visitor::nir_emit_tes_intrinsic(const fs_builder &bld,
             inst = bld.emit(SHADER_OPCODE_URB_READ_LOGICAL, dest,
                             srcs, ARRAY_SIZE(srcs));
          }
-         inst->mlen = 2;
          inst->offset = imm_offset;
          inst->size_written = (num_components + first_component) *
                               inst->dst.component_size(inst->exec_size);
diff --git a/src/intel/compiler/brw_lower_logical_sends.cpp b/src/intel/compiler/brw_lower_logical_sends.cpp
index e665f82786d..c055da7e8bc 100644
--- a/src/intel/compiler/brw_lower_logical_sends.cpp
+++ b/src/intel/compiler/brw_lower_logical_sends.cpp
@@ -40,18 +40,15 @@ lower_urb_read_logical_send(const fs_builder &bld, fs_inst *inst)
    assert(inst->size_written % REG_SIZE == 0);
    assert(inst->header_size == 0);
 
-   fs_reg *payload_sources = new fs_reg[inst->mlen];
-   fs_reg payload = fs_reg(VGRF, bld.shader->alloc.allocate(inst->mlen),
-                           BRW_REGISTER_TYPE_F);
-
+   fs_reg payload_sources[2];
    unsigned header_size = 0;
    payload_sources[header_size++] = inst->src[URB_LOGICAL_SRC_HANDLE];
    if (per_slot_present)
       payload_sources[header_size++] = inst->src[URB_LOGICAL_SRC_PER_SLOT_OFFSETS];
 
-   bld.LOAD_PAYLOAD(payload, payload_sources, inst->mlen, header_size);
-
-   delete [] payload_sources;
+   fs_reg payload = fs_reg(VGRF, bld.shader->alloc.allocate(header_size),
+                           BRW_REGISTER_TYPE_F);
+   bld.LOAD_PAYLOAD(payload, payload_sources, header_size, header_size);
 
    inst->opcode = SHADER_OPCODE_SEND;
    inst->header_size = header_size;
@@ -63,6 +60,7 @@ lower_urb_read_logical_send(const fs_builder &bld, fs_inst *inst)
                              false,
                              inst->offset);
 
+   inst->mlen = header_size;
    inst->ex_desc = 0;
    inst->ex_mlen = 0;
    inst->send_is_volatile = true;
diff --git a/src/intel/compiler/brw_mesh.cpp b/src/intel/compiler/brw_mesh.cpp
index 1486dc3bb82..c4d429477e7 100644
--- a/src/intel/compiler/brw_mesh.cpp
+++ b/src/intel/compiler/brw_mesh.cpp
@@ -1861,7 +1861,6 @@ emit_urb_direct_reads(const fs_builder &bld, nir_intrinsic_instr *instr,
 
    fs_inst *inst = ubld8.emit(SHADER_OPCODE_URB_READ_LOGICAL, data,
                               srcs, ARRAY_SIZE(srcs));
-   inst->mlen = 1;
    inst->offset = urb_global_offset;
    assert(inst->offset < 2048);
    inst->size_written = num_regs * REG_SIZE;
@@ -1924,7 +1923,6 @@ emit_urb_indirect_reads(const fs_builder &bld, nir_intrinsic_instr *instr,
 
          fs_inst *inst = bld8.emit(SHADER_OPCODE_URB_READ_LOGICAL,
                                    data, srcs, ARRAY_SIZE(srcs));
-         inst->mlen = 2;
          inst->offset = 0;
          inst->size_written = 4 * REG_SIZE;