diff --git a/include/r3_str.h b/include/r3_str.h
index 4aeced1..f5f8935 100644
--- a/include/r3_str.h
+++ b/include/r3_str.h
@@ -24,8 +24,6 @@ char * inside_slug(char * needle, int needle_len, char *offset);
 
 char * ltrim_slash(char* str);
 
-char** str_split(char* a_str, const char a_delim);
-
 void str_repeat(char *s, char *c, int len);
 
 void print_indent(int level);
diff --git a/src/str.c b/src/str.c
index 73b2c80..92d460b 100644
--- a/src/str.c
+++ b/src/str.c
@@ -174,54 +174,6 @@ char * ltrim_slash(char* str)
     return strdup(p);
 }
 
-char** str_split(char* a_str, const char a_delim)
-{
-    char** result    = 0;
-    size_t count     = 0;
-    char* tmp        = a_str;
-    char* last_comma = 0;
-    char delim[2];
-    delim[0] = a_delim;
-    delim[1] = 0;
-
-    /* Count how many elements will be extracted. */
-    while (*tmp)
-    {
-        if (a_delim == *tmp)
-        {
-            count++;
-            last_comma = tmp;
-        }
-        tmp++;
-    }
-
-    /* Add space for trailing token. */
-    count += last_comma < (a_str + strlen(a_str) - 1);
-
-    /* Add space for terminating null string so caller
-       knows where the list of returned strings ends. */
-    count++;
-
-    result = malloc(sizeof(char*) * count);
-
-    if (result)
-    {
-        size_t idx  = 0;
-        char* token = strtok(a_str, delim);
-
-        while (token)
-        {
-            assert(idx < count);
-            *(result + idx++) = strdup(token);
-            token = strtok(0, delim);
-        }
-        assert(idx == count - 1);
-        *(result + idx) = 0;
-    }
-
-    return result;
-}
-
 void str_repeat(char *s, char *c, int len) {
     while(len--) {
         s[len - 1] = *c;
diff --git a/tests/bench_str.csv b/tests/bench_str.csv
index c76d5e1..06803c9 100644
--- a/tests/bench_str.csv
+++ b/tests/bench_str.csv
@@ -386,3 +386,4 @@
 1400593219,13704926.07
 1400599508,13991454.07
 1400599553,13826120.84
+1400599756,12099437.82