diff --git a/Assets/gamedb/gamedb_a2600.txt b/Assets/gamedb/gamedb_a2600.txt
index 342f19862a..7dffdc2bd8 100644
--- a/Assets/gamedb/gamedb_a2600.txt
+++ b/Assets/gamedb/gamedb_a2600.txt
@@ -1321,7 +1321,6 @@ sha1:dcd96913a1c840c8b57848986242eeb928bfd2ff		M.A.S.H. (1982) (20th Century Fox
 sha1:55ae319f11584f997b7b52000a1d98cdfaa07d5d		M.A.S.H. (CCE) (no logo) (PAL) [!]	A26		m=4K;PAL=true
 sha1:fbc075766313f04a808236189daa2bf49f584f44		M.A.S.H. (CCE)	A26		m=4K;NTSC=true
 sha1:4c66b84ab0d25e46729bbcf23f985d59ca8520ad		Magicard (CommaVid)	A26		m=CV;NTSC=true
-sha1:DA39A3EE5E6B4B0D3255BFEF95601890AFD80709		Magicard (CommaVid)	A26		m=CV;NTSC=true
 sha1:cdc7e65d965a7a00adda1e8bedfbe6200e349497		Malagai (1983) (Answer Software)	A26		m=4K;NTSC=true
 sha1:311bf43a479e9981c70f38573dbf614429d0a5b5		Mangia' (1983) (Spectravideo) (PAL) [!]	A26		m=4K;PAL=true
 sha1:6c7d1f27efb1e9514494e35cbf03acbf9ffdfe60		Many Blue Bars and Text Demo (PD)	A26		m=4K;NTSC=true
diff --git a/src/BizHawk.Emulation.Common/Database/Database.cs b/src/BizHawk.Emulation.Common/Database/Database.cs
index 54f73d2e09..f7ea6f2f40 100644
--- a/src/BizHawk.Emulation.Common/Database/Database.cs
+++ b/src/BizHawk.Emulation.Common/Database/Database.cs
@@ -152,7 +152,10 @@ namespace BizHawk.Emulation.Common
 						Region = items.Length >= 7 ? items[6] : "",
 						ForcedCore = items.Length >= 8 ? items[7].ToLowerInvariant() : ""
 					};
-
+					if (game.Hash is "DA39A3EE5E6B4B0D3255BFEF95601890AFD80709" or "D41D8CD98F00B204E9800998ECF8427E")
+					{
+						Console.WriteLine($"WARNING: gamedb {path} contains entry for empty rom as \"{game.Name}\"!");
+					}
 					if (!silent && DB.TryGetValue(game.Hash, out var dupe))
 					{
 						Console.WriteLine("gamedb: Multiple hash entries {0}, duplicate detected on \"{1}\" and \"{2}\"", game.Hash, game.Name, dupe.Name);