diff --git a/src/m_cheat.cpp b/src/m_cheat.cpp
index 73fc5e814..f9c0f6783 100644
--- a/src/m_cheat.cpp
+++ b/src/m_cheat.cpp
@@ -53,7 +53,6 @@
 #include "a_morph.h"
 #include "g_levellocals.h"
 #include "vm.h"
-#include "zstring.h"
 
 // [RH] Actually handle the cheat. The cheat code in st_stuff.c now just
 // writes some bytes to the network data stream, and the network code
diff --git a/src/m_cheat.h b/src/m_cheat.h
index f2160b729..60950ffa9 100644
--- a/src/m_cheat.h
+++ b/src/m_cheat.h
@@ -1,13 +1,12 @@
 #ifndef __M_CHEAT_H__
 #define __M_CHEAT_H__
 
-#include "zstring.h"
-
 //
 // CHEAT SEQUENCE PACKAGE
 //
 
 // [RH] Functions that actually perform the cheating
+class FString;
 class player_t;
 class PClassActor;
 
diff --git a/src/scriptutil.cpp b/src/scriptutil.cpp
index 3ba2ce451..6a9d5ab26 100644
--- a/src/scriptutil.cpp
+++ b/src/scriptutil.cpp
@@ -29,7 +29,7 @@
 #include "vm.h"
 #include "scriptutil.h"
 #include "p_acs.h"
-#include "actor.h"
+#include "actorinlines.h"
 
 
 static TArray<VMValue> parameters;