diff --git a/src/hb-cff-interp-dict-common.hh b/src/hb-cff-interp-dict-common.hh
index 2487fed6c..a520ca3bc 100644
--- a/src/hb-cff-interp-dict-common.hh
+++ b/src/hb-cff-interp-dict-common.hh
@@ -27,8 +27,6 @@
 #define HB_CFF_INTERP_DICT_COMMON_HH
 
 #include "hb-cff-interp-common.hh"
-#include <math.h>
-#include <float.h>
 
 namespace CFF {
 
diff --git a/src/hb-number-parser.hh b/src/hb-number-parser.hh
index d256e2211..27d1e063b 100644
--- a/src/hb-number-parser.hh
+++ b/src/hb-number-parser.hh
@@ -30,8 +30,6 @@
 
 #include "hb.hh"
 
-#include <float.h>
-
 
 #line 37 "hb-number-parser.hh"
 static const unsigned char _double_parser_trans_keys[] = {
diff --git a/src/hb-ot-glyf-table.hh b/src/hb-ot-glyf-table.hh
index 46a3f1e3e..e03d51c69 100644
--- a/src/hb-ot-glyf-table.hh
+++ b/src/hb-ot-glyf-table.hh
@@ -36,8 +36,6 @@
 #include "hb-ot-var-gvar-table.hh"
 #include "hb-draw.hh"
 
-#include <float.h>
-
 namespace OT {
 
 
diff --git a/src/hb.hh b/src/hb.hh
index fcbd33058..0f7fe19a6 100644
--- a/src/hb.hh
+++ b/src/hb.hh
@@ -176,6 +176,7 @@
 
 #include <limits.h>
 #include <math.h>
+#include <float.h>
 #include <stdlib.h>
 #include <stddef.h>
 #include <string.h>