diff --git a/sys/unix/NetHack.xcodeproj/project.pbxproj b/sys/unix/NetHack.xcodeproj/project.pbxproj
index 692f2e998..ca03331a8 100644
--- a/sys/unix/NetHack.xcodeproj/project.pbxproj
+++ b/sys/unix/NetHack.xcodeproj/project.pbxproj
@@ -251,7 +251,6 @@
 		3186A37D21A4B0FA0052BF02 /* wingem.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; name = wingem.h; path = ../../include/wingem.h; sourceTree = "<group>"; };
 		3186A37E21A4B0FA0052BF02 /* vision.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; name = vision.h; path = ../../include/vision.h; sourceTree = "<group>"; };
 		3186A37F21A4B0FA0052BF02 /* prop.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; name = prop.h; path = ../../include/prop.h; sourceTree = "<group>"; };
-		3186A38021A4B0FB0052BF02 /* amiconf.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; name = amiconf.h; path = ../../include/amiconf.h; sourceTree = "<group>"; };
 		3186A38121A4B0FB0052BF02 /* pcconf.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; name = pcconf.h; path = ../../include/pcconf.h; sourceTree = "<group>"; };
 		3186A38221A4B0FB0052BF02 /* skills.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; name = skills.h; path = ../../include/skills.h; sourceTree = "<group>"; };
 		3186A38321A4B0FB0052BF02 /* permonst.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; name = permonst.h; path = ../../include/permonst.h; sourceTree = "<group>"; };
@@ -270,7 +269,6 @@
 		3186A39321A4B0FC0052BF02 /* xwindow.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; name = xwindow.h; path = ../../include/xwindow.h; sourceTree = "<group>"; };
 		3186A39421A4B0FC0052BF02 /* tileset.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; name = tileset.h; path = ../../include/tileset.h; sourceTree = "<group>"; };
 		3186A39521A4B0FC0052BF02 /* obj.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; name = obj.h; path = ../../include/obj.h; sourceTree = "<group>"; };
-		3186A39621A4B0FC0052BF02 /* os2conf.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; name = os2conf.h; path = ../../include/os2conf.h; sourceTree = "<group>"; };
 		3186A39721A4B0FC0052BF02 /* rm.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; name = rm.h; path = ../../include/rm.h; sourceTree = "<group>"; };
 		3186A39821A4B0FC0052BF02 /* qt_clust.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; name = qt_clust.h; path = ../../include/qt_clust.h; sourceTree = "<group>"; };
 		3186A39921A4B0FD0052BF02 /* load_img.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; name = load_img.h; path = ../../include/load_img.h; sourceTree = "<group>"; };
@@ -286,7 +284,6 @@
 		3186A3A321A4B0FD0052BF02 /* spell.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; name = spell.h; path = ../../include/spell.h; sourceTree = "<group>"; };
 		3186A3A421A4B0FD0052BF02 /* mac-carbon.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; name = "mac-carbon.h"; path = "../../include/mac-carbon.h"; sourceTree = "<group>"; };
 		3186A3A521A4B0FD0052BF02 /* hack.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; name = hack.h; path = ../../include/hack.h; sourceTree = "<group>"; };
-		3186A3A621A4B0FD0052BF02 /* macconf.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; name = macconf.h; path = ../../include/macconf.h; sourceTree = "<group>"; };
 		3186A3A721A4B0FD0052BF02 /* youprop.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; name = youprop.h; path = ../../include/youprop.h; sourceTree = "<group>"; };
 		3186A3A821A4B0FD0052BF02 /* objclass.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; name = objclass.h; path = ../../include/objclass.h; sourceTree = "<group>"; };
 		3186A3A921A4B0FD0052BF02 /* display.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; name = display.h; path = ../../include/display.h; sourceTree = "<group>"; };
@@ -295,18 +292,14 @@
 		3186A3AC21A4B0FD0052BF02 /* dungeon.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; name = dungeon.h; path = ../../include/dungeon.h; sourceTree = "<group>"; };
 		3186A3AD21A4B0FD0052BF02 /* unixconf.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; name = unixconf.h; path = ../../include/unixconf.h; sourceTree = "<group>"; };
 		3186A3AE21A4B0FD0052BF02 /* mactty.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; name = mactty.h; path = ../../include/mactty.h; sourceTree = "<group>"; };
-		3186A3AF21A4B0FD0052BF02 /* def_os2.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; name = def_os2.h; path = ../../include/def_os2.h; sourceTree = "<group>"; };
 		3186A3B021A4B0FD0052BF02 /* date.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; name = date.h; path = ../../include/date.h; sourceTree = "<group>"; };
 		3186A3B121A4B0FD0052BF02 /* bitmfile.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; name = bitmfile.h; path = ../../include/bitmfile.h; sourceTree = "<group>"; };
-		3186A3B221A4B0FD0052BF02 /* wceconf.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; name = wceconf.h; path = ../../include/wceconf.h; sourceTree = "<group>"; };
 		3186A3B321A4B0FD0052BF02 /* mfndpos.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; name = mfndpos.h; path = ../../include/mfndpos.h; sourceTree = "<group>"; };
 		3186A3B421A4B0FD0052BF02 /* qt_win.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; name = qt_win.h; path = ../../include/qt_win.h; sourceTree = "<group>"; };
 		3186A3B521A4B0FD0052BF02 /* flag.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; name = flag.h; path = ../../include/flag.h; sourceTree = "<group>"; };
 		3186A3B621A4B0FD0052BF02 /* sp_lev.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; name = sp_lev.h; path = ../../include/sp_lev.h; sourceTree = "<group>"; };
 		3186A3B721A4B0FD0052BF02 /* align.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; name = align.h; path = ../../include/align.h; sourceTree = "<group>"; };
 		3186A3B821A4B0FD0052BF02 /* mail.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; name = mail.h; path = ../../include/mail.h; sourceTree = "<group>"; };
-		3186A3B921A4B0FD0052BF02 /* tosconf.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; name = tosconf.h; path = ../../include/tosconf.h; sourceTree = "<group>"; };
-		3186A3BA21A4B0FD0052BF02 /* beconf.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; name = beconf.h; path = ../../include/beconf.h; sourceTree = "<group>"; };
 		3186A3BB21A4B0FD0052BF02 /* monst.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; name = monst.h; path = ../../include/monst.h; sourceTree = "<group>"; };
 		3186A3BC21A4B0FD0052BF02 /* lint.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; name = lint.h; path = ../../include/lint.h; sourceTree = "<group>"; };
 		3186A3BD21A4B0FD0052BF02 /* qt_xpms.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; name = qt_xpms.h; path = ../../include/qt_xpms.h; sourceTree = "<group>"; };
@@ -683,11 +676,9 @@
 				544768B523995488004B9739 /* nhlua.h */,
 				544768B423995447004B9739 /* isaac64.h */,
 				3186A3B721A4B0FD0052BF02 /* align.h */,
-				3186A38021A4B0FB0052BF02 /* amiconf.h */,
 				3186A38821A4B0FB0052BF02 /* artifact.h */,
 				3186A3AB21A4B0FD0052BF02 /* artilist.h */,
 				3186A37421A4B0FA0052BF02 /* attrib.h */,
-				3186A3BA21A4B0FD0052BF02 /* beconf.h */,
 				3186A3B121A4B0FD0052BF02 /* bitmfile.h */,
 				3186A36E21A4B0FA0052BF02 /* botl.h */,
 				3186A38721A4B0FB0052BF02 /* color.h */,
@@ -697,7 +688,6 @@
 				3186A3C521A4B0FE0052BF02 /* coord.h */,
 				3186A3B021A4B0FD0052BF02 /* date.h */,
 				3186A3D021A4B0FE0052BF02 /* decl.h */,
-				3186A3AF21A4B0FD0052BF02 /* def_os2.h */,
 				3186A3A021A4B0FD0052BF02 /* dgn_file.h */,
 				3186A3A921A4B0FD0052BF02 /* display.h */,
 				3186A38E21A4B0FC0052BF02 /* dlb.h */,
@@ -715,7 +705,6 @@
 				3186A3A421A4B0FD0052BF02 /* mac-carbon.h */,
 				3186A39F21A4B0FD0052BF02 /* mac-qt.h */,
 				3186A37221A4B0FA0052BF02 /* mac-term.h */,
-				3186A3A621A4B0FD0052BF02 /* macconf.h */,
 				3186A39D21A4B0FD0052BF02 /* macpopup.h */,
 				3186A3AE21A4B0FD0052BF02 /* mactty.h */,
 				3186A3C921A4B0FE0052BF02 /* macwin.h */,
@@ -734,7 +723,6 @@
 				3186A39521A4B0FC0052BF02 /* obj.h */,
 				3186A3A821A4B0FD0052BF02 /* objclass.h */,
 				3186A38B21A4B0FC0052BF02 /* onames.h */,
-				3186A39621A4B0FC0052BF02 /* os2conf.h */,
 				3186A37521A4B0FA0052BF02 /* patchlevel.h */,
 				3186A38121A4B0FB0052BF02 /* pcconf.h */,
 				3186A38321A4B0FB0052BF02 /* permonst.h */,
@@ -758,7 +746,6 @@
 				3186A3A121A4B0FD0052BF02 /* tile2x11.h */,
 				3186A39421A4B0FC0052BF02 /* tileset.h */,
 				3186A3CA21A4B0FE0052BF02 /* timeout.h */,
-				3186A3B921A4B0FD0052BF02 /* tosconf.h */,
 				3186A3C721A4B0FE0052BF02 /* tradstdc.h */,
 				3186A38C21A4B0FC0052BF02 /* trampoli.h */,
 				3186A3CD21A4B0FE0052BF02 /* trap.h */,
@@ -766,7 +753,6 @@
 				3186A38D21A4B0FC0052BF02 /* vis_tab.h */,
 				3186A37E21A4B0FA0052BF02 /* vision.h */,
 				3186A3BE21A4B0FD0052BF02 /* vmsconf.h */,
-				3186A3B221A4B0FD0052BF02 /* wceconf.h */,
 				3186A3AA21A4B0FD0052BF02 /* winami.h */,
 				3186A37621A4B0FA0052BF02 /* wincurs.h */,
 				3186A37D21A4B0FA0052BF02 /* wingem.h */,