diff --git a/README b/README
index 264237ebfa7..938e9a74899 100644
--- a/README
+++ b/README
@@ -217,9 +217,7 @@ ScummVM will skip copy protection in the following games:
 
 Maniac Mansion
 Zak McKracken and the Alien Mindbenders
-Indiana Jones and the Last Crusade (EGA)
 Loom (EGA)
-The Secret of Monkey Island (EGA)
 The Secret of Monkey Island (VGA)
 Monkey Island 2: LeChuck's Revenge
 
diff --git a/doc/games-copyprot.tex b/doc/games-copyprot.tex
index 0ee734bb877..f8aea67e074 100644
--- a/doc/games-copyprot.tex
+++ b/doc/games-copyprot.tex
@@ -15,9 +15,7 @@ ScummVM will skip copy protection in the following games:
 \begin{tabular}{l}
 Maniac Mansion\\
 Zak McKracken and the Alien Mindbenders\\
-Indiana Jones and the Last Crusade (EGA)\\
 Loom (EGA)\\
-The Secret of Monkey Island (EGA)\\
 The Secret of Monkey Island (VGA)\\
 Monkey Island 2: LeChuck's Revenge\\
 \end{tabular}
diff --git a/engines/scumm/script_v5.cpp b/engines/scumm/script_v5.cpp
index 92560514bd8..0ec10e4c6fc 100644
--- a/engines/scumm/script_v5.cpp
+++ b/engines/scumm/script_v5.cpp
@@ -2235,14 +2235,14 @@ void ScummEngine_v5::o5_startScript() {
 
 	// FIXME: Script 171 loads a complete room resource, instead of the actual script.
 	// Causing invalid opcode cases, see bug #1290485
-	if (_game.id == GID_ZAK && (_game.platform == Common::kPlatformFMTowns) && script == 171)
+	if (_game.id == GID_ZAK && _game.platform == Common::kPlatformFMTowns && script == 171)
 		return;
 
 	if (!_copyProtection) {
 		// Method used by original games to skip copy protection scheme
 		if (_game.id == GID_LOOM && _game.version == 3 && _currentRoom == 69 && script == 201)
 			script = 205;
-		else if ((_game.id == GID_MONKEY_VGA || _game.id == GID_MONKEY_EGA) && script == 152)
+		if (_game.id == GID_MONKEY_VGA && _game.platform == Common::kPlatformPC && script == 152)
 			return;
 	}