diff --git a/include/r3_str.h b/include/r3_str.h
index 469ef9d..967a1ef 100644
--- a/include/r3_str.h
+++ b/include/r3_str.h
@@ -23,8 +23,6 @@ int r3_slug_count(const char * needle, int len, char **errstr);
 
 char * r3_inside_slug(const char * needle, int needle_len, char *offset, char **errstr);
 
-void str_repeat(char *s, const char *c, int len);
-
 void print_indent(int level);
 
 #ifdef __cplusplus
diff --git a/src/str.c b/src/str.c
index a9563a8..f21fa57 100644
--- a/src/str.c
+++ b/src/str.c
@@ -225,12 +225,6 @@ char * ltrim_slash(char* str)
     return zstrdup(p);
 }
 
-void str_repeat(char *s, const char *c, int len) {
-    while(len--) {
-        s[len - 1] = *c;
-    }
-}
-
 void print_indent(int level) {
     int len = level * 2;
     while(len--) {