diff --git a/source/linux/duplicates/FourPlay.cpp b/source/linux/duplicates/FourPlay.cpp
index c4962ab4b..2e2d52e5f 100644
--- a/source/linux/duplicates/FourPlay.cpp
+++ b/source/linux/duplicates/FourPlay.cpp
@@ -19,7 +19,7 @@ void FourPlayCard::SaveSnapshot(YamlSaveHelper& yamlSaveHelper)
 {
 }
 
-bool FourPlayCard::LoadSnapshot(YamlLoadHelper& yamlLoadHelper, UINT slot, UINT version)
+bool FourPlayCard::LoadSnapshot(YamlLoadHelper& yamlLoadHelper, UINT version)
 {
 	if (version < 1 || version > kUNIT_VERSION)
 		throw std::string("Card: wrong version");
diff --git a/source/linux/duplicates/SNESMAX.cpp b/source/linux/duplicates/SNESMAX.cpp
index 506a872ac..5924bc88f 100644
--- a/source/linux/duplicates/SNESMAX.cpp
+++ b/source/linux/duplicates/SNESMAX.cpp
@@ -21,7 +21,7 @@ void SNESMAXCard::SaveSnapshot(YamlSaveHelper& yamlSaveHelper)
 {
 }
 
-bool SNESMAXCard::LoadSnapshot(YamlLoadHelper& yamlLoadHelper, UINT slot, UINT version)
+bool SNESMAXCard::LoadSnapshot(YamlLoadHelper& yamlLoadHelper, UINT version)
 {
 	if (version < 1 || version > kUNIT_VERSION)
 		throw std::string("Card: wrong version");
diff --git a/source/linux/duplicates/SerialComms.cpp b/source/linux/duplicates/SerialComms.cpp
index 3f0f770b9..ad32d8dc4 100644
--- a/source/linux/duplicates/SerialComms.cpp
+++ b/source/linux/duplicates/SerialComms.cpp
@@ -70,11 +70,8 @@ void CSuperSerialCard::LoadSnapshotDIPSW(YamlLoadHelper& yamlLoadHelper, std::st
   yamlLoadHelper.PopMap();
 }
 
-bool CSuperSerialCard::LoadSnapshot(YamlLoadHelper& yamlLoadHelper, UINT slot, UINT version)
+bool CSuperSerialCard::LoadSnapshot(YamlLoadHelper& yamlLoadHelper, UINT version)
 {
-  if (slot != 2)	// fixme
-    throw std::string("Card: wrong slot");
-
   if (version < 1 || version > kUNIT_VERSION)
     throw std::string("Card: wrong version");