diff --git a/src/sl/tracerestrict_sl.cpp b/src/sl/tracerestrict_sl.cpp
index 419002d73f..d49b42fbd8 100644
--- a/src/sl/tracerestrict_sl.cpp
+++ b/src/sl/tracerestrict_sl.cpp
@@ -42,27 +42,17 @@ static void Save_TRRM()
 	}
 }
 
-/** program length save header struct */
-struct TraceRestrictProgramStub {
-	uint32_t length;
-};
-
-static const SaveLoad _trace_restrict_program_stub_desc[] = {
-	SLE_VAR(TraceRestrictProgramStub, length, SLE_UINT32),
-};
-
 /**
  * Load program pool
  */
 static void Load_TRRP()
 {
 	int index;
-	TraceRestrictProgramStub stub;
 	while ((index = SlIterateArray()) != -1) {
 		TraceRestrictProgram *prog = new (index) TraceRestrictProgram();
-		SlObject(&stub, _trace_restrict_program_stub_desc);
-		prog->items.resize(stub.length);
-		if (stub.length > 0) SlArray(prog->items.data(), stub.length, SLE_UINT32);
+		uint32_t prog_length = SlReadUint32();
+		prog->items.resize(prog_length);
+		if (prog_length > 0) SlArray(prog->items.data(), prog_length, SLE_UINT32);
 		if (SlXvIsFeaturePresent(XSLFI_JOKERPP)) {
 			for (size_t i = 0; i < prog->items.size(); i++) {
 				TraceRestrictItem &item = prog->items[i]; // note this is a reference,
@@ -107,17 +97,6 @@ static void Load_TRRP()
 	}
 }
 
-/**
- * Save a program, used by SlAutolength
- */
-static void RealSave_TRRP(TraceRestrictProgram *prog)
-{
-	TraceRestrictProgramStub stub;
-	stub.length = (uint32_t)prog->items.size();
-	SlObject(&stub, _trace_restrict_program_stub_desc);
-	SlArray(prog->items.data(), stub.length, SLE_UINT32);
-}
-
 /**
  * Save program pool
  */
@@ -125,7 +104,9 @@ static void Save_TRRP()
 {
 	for (TraceRestrictProgram *prog : TraceRestrictProgram::Iterate()) {
 		SlSetArrayIndex(prog->index);
-		SlAutolength((AutolengthProc*) RealSave_TRRP, prog);
+		SlSetLength(4 + (prog->items.size() * 4));
+		SlWriteUint32((uint32_t)prog->items.size());
+		SlArray(prog->items.data(), prog->items.size(), SLE_UINT32);
 	}
 }
 
@@ -203,14 +184,6 @@ static void Load_TRRC()
 	}
 }
 
-/**
- * Save a counter, used by SlAutolength
- */
-static void RealSave_TRRC(TraceRestrictCounter *ctr)
-{
-	SlObject(ctr, _trace_restrict_counter_desc);
-}
-
 /**
  * Save counter pool
  */
@@ -218,7 +191,7 @@ static void Save_TRRC()
 {
 	for (TraceRestrictCounter *ctr : TraceRestrictCounter::Iterate()) {
 		SlSetArrayIndex(ctr->index);
-		SlAutolength((AutolengthProc*) RealSave_TRRC, ctr);
+		SlObject(ctr, _trace_restrict_counter_desc);
 	}
 }