diff --git a/core/hw/maple/maple_cfg.cpp b/core/hw/maple/maple_cfg.cpp
index 9d693bb2b..b6647734a 100644
--- a/core/hw/maple/maple_cfg.cpp
+++ b/core/hw/maple/maple_cfg.cpp
@@ -176,8 +176,7 @@ bool maple_atomiswave_coin_chute(int slot)
 
 void mcfg_Create(MapleDeviceType type, u32 bus, u32 port, s32 player_num = -1)
 {
-	if (MapleDevices[bus][port] != NULL)
-		delete MapleDevices[bus][port];
+	delete MapleDevices[bus][port];
 	maple_device* dev = maple_Create(type);
 	dev->Setup(maple_GetAddress(bus, port), player_num);
 	dev->config = new MapleConfigMap(dev);
diff --git a/core/hw/naomi/m4cartridge.cpp b/core/hw/naomi/m4cartridge.cpp
index 26c5d4e91..bd46fc73c 100644
--- a/core/hw/naomi/m4cartridge.cpp
+++ b/core/hw/naomi/m4cartridge.cpp
@@ -269,8 +269,7 @@ bool M4Cartridge::Write(u32 offset, u32 size, u32 data)
 
 M4Cartridge::~M4Cartridge()
 {
-	if (m_key_data != NULL)
-		free(m_key_data);
+	free(m_key_data);
 }
 
 std::string M4Cartridge::GetGameId()
diff --git a/core/nullDC.cpp b/core/nullDC.cpp
index a73c9325c..7cf286a11 100644
--- a/core/nullDC.cpp
+++ b/core/nullDC.cpp
@@ -770,8 +770,7 @@ void dc_step()
 
 static void cleanup_serialize(void *data)
 {
-	if ( data != NULL )
-		free(data) ;
+	free(data);
 }
 
 static std::string get_savestate_file_path(bool writable)