diff --git a/include/r3.h b/include/r3.h
index 1d8508d..3fdd02a 100644
--- a/include/r3.h
+++ b/include/r3.h
@@ -14,7 +14,30 @@
 #include <pcre.h>
 
 #include "r3_define.h"
-#include "str_array.h"
+
+typedef struct _str_array {
+  char **tokens;
+  int    len;
+  int    cap;
+} str_array;
+
+str_array * str_array_create(int cap);
+
+bool str_array_is_full(str_array * l);
+
+bool str_array_resize(str_array *l, int new_cap);
+
+bool str_array_append(str_array * list, char * token);
+
+void str_array_free(str_array *l);
+
+void str_array_dump(str_array *l);
+
+str_array * split_route_pattern(char *pattern, int pattern_len);
+
+#define str_array_fetch(t,i)  t->tokens[i]
+#define str_array_len(t)  t->len
+#define str_array_cap(t)  t->cap
 
 
 #define node_edge_pattern(node,i) node->edges[i]->pattern
@@ -192,4 +215,7 @@ enum { NODE_COMPARE_STR, NODE_COMPARE_PCRE, NODE_COMPARE_OPCODE };
 
 enum { OP_EXPECT_MORE_DIGITS = 1, OP_EXPECT_MORE_WORDS, OP_EXPECT_NOSLASH, OP_EXPECT_NODASH, OP_EXPECT_MORE_ALPHA };
 
+
+
+
 #endif /* !R3_NODE_H */
diff --git a/include/str_array.h b/include/str_array.h
deleted file mode 100644
index 3b37fda..0000000
--- a/include/str_array.h
+++ /dev/null
@@ -1,37 +0,0 @@
-/*
- * str_array.h
- * Copyright (C) 2014 c9s <c9s@c9smba.local>
- *
- * Distributed under terms of the MIT license.
- */
-
-#ifndef TOKEN_H
-#define TOKEN_H
-
-#include "r3_define.h"
-
-typedef struct _str_array {
-  char **tokens;
-  int    len;
-  int    cap;
-} str_array;
-
-str_array * str_array_create(int cap);
-
-bool str_array_is_full(str_array * l);
-
-bool str_array_resize(str_array *l, int new_cap);
-
-bool str_array_append(str_array * list, char * token);
-
-void str_array_free(str_array *l);
-
-void str_array_dump(str_array *l);
-
-str_array * split_route_pattern(char *pattern, int pattern_len);
-
-#define str_array_fetch(t,i)  t->tokens[i]
-#define str_array_len(t)  t->len
-#define str_array_cap(t)  t->cap
-
-#endif /* !TOKEN_H */
diff --git a/src/edge.c b/src/edge.c
index fe14b4c..a8b82f8 100644
--- a/src/edge.c
+++ b/src/edge.c
@@ -21,7 +21,6 @@
 
 #include "r3.h"
 #include "r3_str.h"
-#include "str_array.h"
 #include "zmalloc.h"
 
 edge * r3_edge_create(char * pattern, int pattern_len, node * child) {
diff --git a/src/node.c b/src/node.c
index 23dcddc..01c56c2 100644
--- a/src/node.c
+++ b/src/node.c
@@ -10,7 +10,6 @@
 
 #include "r3.h"
 #include "r3_str.h"
-#include "str_array.h"
 #include "zmalloc.h"
 
 // String value as the index http://judy.sourceforge.net/doc/JudySL_3x.htm
diff --git a/src/str.c b/src/str.c
index c794761..9c5e1e8 100644
--- a/src/str.c
+++ b/src/str.c
@@ -10,7 +10,6 @@
 #include <assert.h>
 #include "r3.h"
 #include "r3_str.h"
-#include "str_array.h"
 #include "zmalloc.h"
 
 int r3_pattern_to_opcode(char * pattern, int len) {
diff --git a/src/token.c b/src/token.c
index e0f23a8..aad57c3 100644
--- a/src/token.c
+++ b/src/token.c
@@ -8,7 +8,7 @@
 #include <stdio.h>
 #include <string.h>
 #include <assert.h>
-#include "str_array.h"
+#include "r3.h"
 #include "r3_str.h"
 #include "zmalloc.h"
 
diff --git a/tests/bench.c b/tests/bench.c
index 00d7ad1..c42f15d 100644
--- a/tests/bench.c
+++ b/tests/bench.c
@@ -12,7 +12,6 @@
 
 #include "r3.h"
 #include "r3_str.h"
-#include "str_array.h"
 #include "zmalloc.h"
 #include "bench.h"
 
diff --git a/tests/check_gvc.c b/tests/check_gvc.c
index a286cc9..796c50d 100644
--- a/tests/check_gvc.c
+++ b/tests/check_gvc.c
@@ -11,7 +11,6 @@
 #include "r3.h"
 #include "r3_str.h"
 #include "r3_gvc.h"
-#include "str_array.h"
 #include "bench.h"
 
 START_TEST (test_gvc_render_dot)
diff --git a/tests/check_slug.c b/tests/check_slug.c
index c2e955c..1f1417d 100644
--- a/tests/check_slug.c
+++ b/tests/check_slug.c
@@ -10,7 +10,6 @@
 #include <stdlib.h>
 #include "r3.h"
 #include "r3_str.h"
-#include "str_array.h"
 #include "zmalloc.h"
 
 START_TEST (test_pattern_to_opcode)
diff --git a/tests/check_tree.c b/tests/check_tree.c
index 8f88139..93bfdf8 100644
--- a/tests/check_tree.c
+++ b/tests/check_tree.c
@@ -4,7 +4,6 @@
 #include <stdlib.h>
 #include "r3.h"
 #include "r3_str.h"
-#include "str_array.h"
 #include "zmalloc.h"
 #include "bench.h"