diff --git a/engines/immortal/disk.cpp b/engines/immortal/disk.cpp
index 1e706f56f5d..1a757e0392b 100644
--- a/engines/immortal/disk.cpp
+++ b/engines/immortal/disk.cpp
@@ -271,6 +271,8 @@ void ProDOSDisk::getFileEntry(FileEntry *f) {
  */
 
 void ProDOSDisk::searchDirectory(DirHeader *h, uint16 p, uint16 n, Common::String path) {
+	// NB: p for previous set, but not currently used. This debug message silences any set-but-unused compiler warnings
+	debug(10, "searchDirectory(h:%p prev: %d next:%d, path:%s", (void *)h, p, n, path.c_str());
 	int currPos;
 	int parsedFiles = 0;
 
diff --git a/engines/immortal/flameSet.cpp b/engines/immortal/flameSet.cpp
index 8bb4ec3abce..98842e26b40 100644
--- a/engines/immortal/flameSet.cpp
+++ b/engines/immortal/flameSet.cpp
@@ -46,7 +46,7 @@ void Room::flameFreeAll() {
 }
 
 void Room::flameDrawAll(uint16 vX, uint16 vY) {
-	for (int i = 0; i < _fset.size(); i++) {
+	for (uint i = 0; i < _fset.size(); i++) {
 		// For every flame in the room, add the sprite to the sprite table
 		univAddSprite(vX, vY, _fset[i]._x, _fset[i]._y, g_immortal->_cycPtrs[g_immortal->_cycles[_fset[i]._c]._cycList]._sName, cycleGetFrame(_fset[i]._c), 0);
 		if (cycleAdvance(_fset[i]._c) == true) {
@@ -61,7 +61,7 @@ bool Room::roomLighted() {
 	return true;
 
 	// Very simple, just checks every torch and if any of them are lit, we say the room is lit
-	for (int i = 0; i < _fset.size(); i++) {
+	for (uint i = 0; i < _fset.size(); i++) {
 		if (_fset[i]._p != kFlameOff) {
 			return true;
 		}
@@ -78,7 +78,7 @@ void Room::lightTorch(uint8 x, uint8 y) {
 	 * check both x,y and flame pattern. Neato.
 	 */
 
-	for (int i = 0; i < _fset.size(); i++) {
+	for (uint i = 0; i < _fset.size(); i++) {
 		if (_fset[i]._p == kFlameOff) {
 			if (Utilities::inside(kLightTorchX, x, y, _fset[i]._x + 16, _fset[i]._y + 8)) {
 				_fset[i]._p = kFlameNormal;
@@ -89,7 +89,7 @@ void Room::lightTorch(uint8 x, uint8 y) {
 }
 
 void Room::flameSetRoom(Common::Array<SFlame> &allFlames) {
-	for (int i = 0; i < allFlames.size(); i++) {
+	for (uint i = 0; i < allFlames.size(); i++) {
 		Flame f;
 		f._p = allFlames[i]._p;
 		f._x = allFlames[i]._x;
diff --git a/engines/immortal/kernal.cpp b/engines/immortal/kernal.cpp
index 2db5382ed75..f2256853233 100644
--- a/engines/immortal/kernal.cpp
+++ b/engines/immortal/kernal.cpp
@@ -900,7 +900,7 @@ void ImmortalEngine::fade(uint16 pal[], int dir, int delay) {
 	// Originally used a branch, but this is functionally identical and much cleaner
 	count = dir * 256;
 
-	while ((count >= 0) && (count <= 256)) {
+	while (count <= 256) {
 		fadePal(pal, count, target);
 		Utilities::delay8(delay);
 		setColors(target);
diff --git a/engines/immortal/level.cpp b/engines/immortal/level.cpp
index 1fa299e72ae..5b114de97fa 100644
--- a/engines/immortal/level.cpp
+++ b/engines/immortal/level.cpp
@@ -69,16 +69,16 @@ void ImmortalEngine::levelLoadFile(int l) {
 
 	// Create the rooms and doors, then populate the rooms with their objects and actors
 
-	for (int d = 0; d < _stories[l]._doors.size(); d++) {
+	for (uint d = 0; d < _stories[l]._doors.size(); d++) {
 		doorNew(_stories[l]._doors[d]);
 	}
 
-	for (int r = 0; r < _stories[l]._rooms.size(); r++) {
+	for (uint r = 0; r < _stories[l]._rooms.size(); r++) {
 		_rooms[r] = new Room(_stories[l]._rooms[r]._x, _stories[l]._rooms[r]._y, _stories[l]._rooms[r]._flags);
 
 		Common::Array<SFlame> allFlames(_stories[l]._flames[r].size());
 		if (_stories[l]._flames[r].size() > 0) {
-			for (int f = 0; f < _stories[l]._flames[r].size(); f++) {
+			for (uint f = 0; f < _stories[l]._flames[r].size(); f++) {
 				SFlame sf;
 				sf._p = _stories[l]._flames[r][f]._p;
 				sf._x = _stories[l]._flames[r][f]._x;
@@ -89,13 +89,13 @@ void ImmortalEngine::levelLoadFile(int l) {
 		_allFlames[r] = allFlames;
 
 		if (_stories[l]._objects[r].size() > 0) {
-			for (int o = 0; o < _stories[l]._objects[r].size(); o++) {
+			for (uint o = 0; o < _stories[l]._objects[r].size(); o++) {
 				//objNew(_stories[l]._objects[r][o]);
 			}
 		}
 
 		if (_stories[l]._monsters[r].size() > 0) {
-			for (int m = 0; m < _stories[l]._monsters[r].size(); m++) {
+			for (uint m = 0; m < _stories[l]._monsters[r].size(); m++) {
 				//monstNew(_stories[l]._monsters[r][m]);
 			}
 		}
diff --git a/engines/immortal/logic.cpp b/engines/immortal/logic.cpp
index 7cf5d084979..038aa9223b4 100644
--- a/engines/immortal/logic.cpp
+++ b/engines/immortal/logic.cpp
@@ -49,11 +49,11 @@ void ImmortalEngine::restartLogic() {
 	cycleFreeAll();
 	levelInit();
 	//roomInit();       <-- will be run in constructor of room
-	//monstInit();      <-- room.initMonsters()     \
-	//objectInit();     <-- room.initObjects()
+	//monstInit();      <-- room.initMonsters()     -|
+	//objectInit();     <-- room.initObjects()       |
 	//doorInit();       <-- room.initDoors()         |- probably all get run from room constructor
-	//sparkInit();      <-- room.initSparks()
-	//bulletInit();     <-- room.initProjectiles()  /
+	//sparkInit();      <-- room.initSparks()        |
+	//bulletInit();     <-- room.initProjectiles()  -|
 	//objectInit();     <-- again? Odd...
 	//genericSpriteInit();  <-- room.initGenSprites()