diff --git a/efunc.h b/efunc.h
index 45c905a..12badbf 100644
--- a/efunc.h
+++ b/efunc.h
@@ -14,9 +14,6 @@
 
 /* External function declarations. */
 
-/* posix.c */
-#include "termio.h"
-
 #if	BSD | SVR4
 /* lock.c */
 #include "lock.h"
diff --git a/eval.c b/eval.c
index 06ccb5e..523fe7b 100644
--- a/eval.c
+++ b/eval.c
@@ -23,6 +23,7 @@
 #include "line.h"
 #include "random.h"
 #include "search.h"
+#include "termio.h"
 #include "version.h"
 #include "window.h"
 
diff --git a/main.c b/main.c
index 0cddbb1..33dc44c 100644
--- a/main.c
+++ b/main.c
@@ -70,6 +70,7 @@
 #include "efunc.h"   /* Function declarations and name table. */
 #include "ebind.h"   /* Default key bindings. */
 #include "input.h"
+#include "termio.h"
 #include "version.h"
 
 /* For MSDOS, increase the default stack space. */
diff --git a/tcap.c b/tcap.c
index 5f55e95..a9883ae 100644
--- a/tcap.c
+++ b/tcap.c
@@ -27,6 +27,7 @@
 #include "estruct.h"
 #include "edef.h"
 #include "efunc.h"
+#include "termio.h"
 
 #if TERMCAP