diff --git a/source/platform/posix/i_steam.cpp b/source/platform/posix/i_steam.cpp
index b0d9cfc33..bd3c60a5e 100644
--- a/source/platform/posix/i_steam.cpp
+++ b/source/platform/posix/i_steam.cpp
@@ -205,7 +205,7 @@ TArray<FString> I_GetSteamPath()
 		{
 			SteamInstallFolders = ParseSteamRegistry(regPath);
 		}
-		catch(class CRecoverableError &error)
+		catch(class std::runtime_error &error)
 		{
 			// If we can't parse for some reason just pretend we can't find anything.
 			return result;
diff --git a/source/platform/posix/sdl/hardware.cpp b/source/platform/posix/sdl/hardware.cpp
index 9493b7c48..d9b8ac6a6 100644
--- a/source/platform/posix/sdl/hardware.cpp
+++ b/source/platform/posix/sdl/hardware.cpp
@@ -39,10 +39,9 @@
 #include "hardware.h"
 #include "c_dispatch.h"
 #include "v_text.h"
-#include "doomstat.h"
 #include "m_argv.h"
-#include "doomerrors.h"
-#include "swrenderer/r_swrenderer.h"
+#include "c_console.h"
+#include "common/utility/printf.h"
 
 IVideo *Video;
 
diff --git a/source/platform/posix/sdl/i_gui.cpp b/source/platform/posix/sdl/i_gui.cpp
index 8ad9c8b92..f7388d49d 100644
--- a/source/platform/posix/sdl/i_gui.cpp
+++ b/source/platform/posix/sdl/i_gui.cpp
@@ -36,7 +36,6 @@
 #include <SDL.h>
 
 #include "bitmap.h"
-#include "v_palette.h"
 #include "textures.h"
 
 bool I_SetCursor(FTexture *cursorpic)
@@ -44,7 +43,7 @@ bool I_SetCursor(FTexture *cursorpic)
 	static SDL_Cursor *cursor;
 	static SDL_Surface *cursorSurface;
 
-	if (cursorpic != NULL && cursorpic->isValid())
+	if (cursorpic != NULL)
 	{
 		auto src = cursorpic->GetBgraBitmap(nullptr);
 		// Must be no larger than 32x32.
diff --git a/source/platform/posix/sdl/i_input.cpp b/source/platform/posix/sdl/i_input.cpp
index 77e6f1860..c9614b1ed 100644
--- a/source/platform/posix/sdl/i_input.cpp
+++ b/source/platform/posix/sdl/i_input.cpp
@@ -31,23 +31,15 @@
 **
 */
 #include <SDL.h>
-#include "doomtype.h"
-#include "doomdef.h"
-#include "doomstat.h"
 #include "m_argv.h"
 #include "v_video.h"
 
-#include "d_main.h"
 #include "d_event.h"
 #include "d_gui.h"
 #include "c_console.h"
 #include "c_dispatch.h"
 #include "dikeys.h"
-#include "events.h"
-#include "g_game.h"
-#include "g_levellocals.h"
 #include "utf8.h"
-#include "doomerrors.h"
 
 
 static void I_CheckGUICapture ();