diff --git a/src/libespeak-ng/compiledict.c b/src/libespeak-ng/compiledict.c
index 76499f6a..34e8b5ec 100644
--- a/src/libespeak-ng/compiledict.c
+++ b/src/libespeak-ng/compiledict.c
@@ -33,6 +33,7 @@
 #include <espeak-ng/speak_lib.h>
 #include <espeak-ng/encoding.h>
 
+#include "compiledict.h"
 #include "dictionary.h"
 #include "readclause.h"
 
@@ -43,8 +44,6 @@
 #include "synthesize.h"
 #include "translate.h"
 
-extern void Write4Bytes(FILE *f, int value);
-
 static FILE *f_log = NULL;
 extern char *dir_dictionary;
 
diff --git a/src/libespeak-ng/compiledict.h b/src/libespeak-ng/compiledict.h
new file mode 100644
index 00000000..949db679
--- /dev/null
+++ b/src/libespeak-ng/compiledict.h
@@ -0,0 +1,50 @@
+/*
+ * Copyright (C) 2005 to 2015 by Jonathan Duddington
+ * email: jonsd@users.sourceforge.net
+ * Copyright (C) 2015-2018 Reece H. Dunn
+ * Copyright (C) 2018 Juho Hiltunen
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, see: <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef ESPEAK_NG_COMPILEDICT_H
+#define ESPEAK_NG_COMPILEDICT_H
+
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+
+char *DecodeRule(const char *group_chars, 
+		int group_length,
+		char *rule,
+		int control);
+
+ESPEAK_NG_API espeak_ng_STATUS espeak_ng_CompileDictionary(const char *dsource,
+		const char *dict_name,
+		FILE *log,
+		int flags,
+		espeak_ng_ERROR_CONTEXT *context);
+
+
+void print_dictionary_flags(unsigned int *flags,
+		char *buf,
+		int buf_len);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
+
diff --git a/src/libespeak-ng/dictionary.h b/src/libespeak-ng/dictionary.h
index cd08f1de..e010b6e8 100644
--- a/src/libespeak-ng/dictionary.h
+++ b/src/libespeak-ng/dictionary.h
@@ -21,6 +21,7 @@
 #ifndef ESPEAK_NG_DICTIONARY_H
 #define ESPEAK_NG_DICTIONARY_H
 
+#include "compiledict.h"
 #include "synthesize.h"
 #include "translate.h"
 
diff --git a/src/libespeak-ng/espeak_api.c b/src/libespeak-ng/espeak_api.c
index 7e282325..0a5f6fd7 100644
--- a/src/libespeak-ng/espeak_api.c
+++ b/src/libespeak-ng/espeak_api.c
@@ -27,6 +27,8 @@
 #include <espeak-ng/speak_lib.h>
 #include <espeak-ng/encoding.h>
 
+#include "compiledict.h"
+
 #include "phoneme.h"
 #include "voice.h"
 #include "synthesize.h"
diff --git a/src/libespeak-ng/translate.h b/src/libespeak-ng/translate.h
index adbd255b..082f4c14 100644
--- a/src/libespeak-ng/translate.h
+++ b/src/libespeak-ng/translate.h
@@ -715,7 +715,6 @@ void DeleteTranslator(Translator *tr);
 void ProcessLanguageOptions(LANGUAGE_OPTIONS *langopts);
 
 void print_dictionary_flags(unsigned int *flags, char *buf, int buf_len);
-char *DecodeRule(const char *group_chars, int group_length, char *rule, int control);
 
 void ApplySpecialAttribute2(Translator *tr, char *phonemes, int dict_flags);