diff --git a/lcftrans/src/utils.cpp b/lcftrans/src/utils.cpp
index 4c89dcc..7f80e89 100644
--- a/lcftrans/src/utils.cpp
+++ b/lcftrans/src/utils.cpp
@@ -90,9 +90,10 @@ std::string Utils::LowerCase(const std::string& in) {
 }
 
 std::string Utils::RemoveControlChars(std::string_view s) {
-	// RPG_RT ignores any control characters within messages.
+	// RPG_RT ignores C0 control characters (0x00-0x1F) within messages.
+	// Keep DEL (0x7F) because some games use it as a meaningful message prefix.
 	std::string out = lcf::ToString(s);
-	auto iter = std::remove_if(out.begin(), out.end(), [](const char ch) { return (ch >= 0x0 && ch <= 0x1F) || ch == 0x7F; });
+	auto iter = std::remove_if(out.begin(), out.end(), [](const char ch) { return ch >= 0x0 && ch <= 0x1F; });
 	out.erase(iter, out.end());
 	return out;
 }