diff --git a/wadsrc/static/compatibility.txt b/wadsrc/static/compatibility.txt
index 73a4f5af2..b131cd0ad 100644
--- a/wadsrc/static/compatibility.txt
+++ b/wadsrc/static/compatibility.txt
@@ -453,3 +453,27 @@ D7F6E9F08C39A17026349A04F8C0B0BE // Return to Hadron, e1m9
 {
 	pointonline
 }
+
+// Remove unreachable secrets
+F6EE16F770AD309D608EA0B1F1E249FC // Ultimate Doom, e4m3
+{
+	setsectorspecial 124 0
+	setsectorspecial 125 0
+}
+94D4C869A0C02EF4F7375022B36AAE45 // Ultimate Doom, e4m7
+{
+	setsectorspecial 263 0
+	setsectorspecial 264 0
+}
+1A540BA717BF9EC85F8522594C352F2A // Doom II, map15
+{
+	setsectorspecial 147 0
+}
+110F84DE041052B59307FAF0293E6BC0 // Doom II, map27
+{
+	setsectorspecial 93 0
+}
+ABC4EB5A1535ECCD0061AD14F3547908 // Plutonia Experiment, map26
+{
+	setsectorspecial 156 0
+}