2 files changed, 1 insertions, 10 deletions
diff --git a/include/stc/crawstr.h b/include/stc/crawstr.h
index 7cf62e94..3b836222 100644
--- a/include/stc/crawstr.h
+++ b/include/stc/crawstr.h
@@ -83,19 +83,10 @@ STC_INLINE crawstr_iter crawstr_advance(crawstr_iter it, intptr_t pos) {
     return it;
 }
 
-/* utf8 size */
-STC_INLINE intptr_t crawstr_u8_size(crawstr rs)
-    { return utf8_size_n(rs.str, rs.size); }
-
-/* utf8 validation: depends on src/utf8code.c */
-STC_INLINE bool crawstr_valid_utf8(crawstr rs)
-    { return utf8_valid_n(rs.str, rs.size); }
-
 /* utf8 ignore case cmp: depends on src/utf8code.c */
 STC_INLINE int crawstr_icmp(const crawstr* x, const crawstr* y)
     { return utf8_icmp_sv(c_sv_2(x->str, x->size), c_sv_2(y->str, y->size)); }
 
-
 STC_INLINE int crawstr_cmp(const crawstr* x, const crawstr* y) {
     intptr_t n = x->size < y->size ? x->size : y->size;
     int c = c_memcmp(x->str, y->str, n);
diff --git a/include/stc/cspan.h b/include/stc/cspan.h
index 1b57d4d4..f806ed8f 100644
--- a/include/stc/cspan.h
+++ b/include/stc/cspan.h
@@ -24,7 +24,7 @@
 /*
 #include <stdio.h>
 #include <stc/cspan.h>
-#include <stc/algo/filter.h>
+#include <stc/algorithm.h>
 using_cspan(Span2f, float, 2);
 using_cspan(Intspan, int);