diff --git a/src/hb-face.cc b/src/hb-face.cc
index 6b563bc8f1cda32bc1ddb9b58f8a475c14786c77..1ba970707275fd60d7104f2118743ec24b500c2e 100644
--- a/src/hb-face.cc
+++ b/src/hb-face.cc
@@ -28,15 +28,11 @@
 
 #include "hb-private.hh"
 
-#include "hb-ot-layout-private.hh"
-
-#include "hb-font-private.hh"
+#include "hb-face-private.hh"
 #include "hb-open-file-private.hh"
 #include "hb-ot-head-table.hh"
 #include "hb-ot-maxp-table.hh"
 
-#include <string.h>
-
 
 /*
  * hb_face_t
diff --git a/src/hb-font.cc b/src/hb-font.cc
index e7f57529da964d4c85d27385ba55df1b59d9be1f..08c00bfc0c9e805fa5a391582704565a7a5cf4d8 100644
--- a/src/hb-font.cc
+++ b/src/hb-font.cc
@@ -28,14 +28,7 @@
 
 #include "hb-private.hh"
 
-#include "hb-ot-layout-private.hh"
-
 #include "hb-font-private.hh"
-#include "hb-open-file-private.hh"
-#include "hb-ot-head-table.hh"
-#include "hb-ot-maxp-table.hh"
-
-#include <string.h>
 
 
 /*
diff --git a/src/hb-ot-layout.cc b/src/hb-ot-layout.cc
index d8d6284800d571e185a132077e82b36a4fd4c5b1..d7ededd8db99aa92ab6abdb7f97fd57b25ffbf51 100644
--- a/src/hb-ot-layout.cc
+++ b/src/hb-ot-layout.cc
@@ -34,13 +34,10 @@
 #include "hb-ot-layout-gdef-table.hh"
 #include "hb-ot-layout-gsub-table.hh"
 #include "hb-ot-layout-gpos-table.hh"
-#include "hb-ot-layout-jstf-table.hh"
+#include "hb-ot-layout-jstf-table.hh" // Just so we compile it; unused otherwise.
 
 #include "hb-ot-map-private.hh"
 
-#include <stdlib.h>
-#include <string.h>
-
 
 HB_SHAPER_DATA_ENSURE_DECLARE(ot, face)
 
diff --git a/src/hb-ot-tag.cc b/src/hb-ot-tag.cc
index 5c348e8980e223ea43ff0e52515e5208c73975cd..9b0db507bb4d80b59a30135d45134bea8fa5a662 100644
--- a/src/hb-ot-tag.cc
+++ b/src/hb-ot-tag.cc
@@ -28,9 +28,6 @@
 
 #include "hb-private.hh"
 
-#include <string.h>
-
-
 
 /* hb_script_t */