diff --git a/src/cache/ftcint.h b/src/cache/ftcint.h
new file mode 100644
index 000000000..3e3f2564c
--- /dev/null
+++ b/src/cache/ftcint.h
@@ -0,0 +1,44 @@
+#ifndef __FT_CACHE_INTERNALS_H__
+#define __FT_CACHE_INTERNALS_H__
+
+#include <ft2build.h>
+#include FT_CACHE_H
+
+#define FTC_MAX_FACES_DEFAULT  2
+#define FTC_MAX_SIZES_DEFAULT  4
+#define FTC_MAX_BYTES_DEFAULT  200000L  /* ~200kByte by default */
+
+/* maximum number of caches registered in a single manager
+ */
+#define FTC_MAX_CACHES         16
+
+
+/* internal fields of the @FTC_ManagerRec structure
+ */
+#define  FTC_MANAGER_PRIVATE                         \
+    FTC_Node            nodes_list;                  \
+    FT_ULong            max_weight;                  \
+                                                     \
+    FTC_Cache           caches[FTC_MAX_CACHES];      \
+    FT_UInt             num_caches;                  \
+                                                     \
+    FTC_MruListRec      faces;                       \
+    FTC_MruListRec      sizes;                       \
+                                                     \
+    FT_Pointer          request_data;                \
+    FTC_Face_Requester  request_face;                \
+                                                     \
+    FT_UInt             retry_depth;                 \
+    FT_UInt             retry_num_nodes;             \
+    FT_UInt             retry_num_faces;             \
+    FT_UInt             retry_overflow;
+
+#include FT_CACHE_INTERNAL_MANAGER_H
+
+  FT_LOCAL( void )
+  ftc_node_destroy( FTC_Node     node,
+                    FTC_Manager  manager );
+
+/* */
+
+#endif /* __FT_CACHE_INTERNALS_H__ */