diff --git a/src/lib.rs b/src/lib.rs
index 1d92b29..3909eb6 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -253,11 +253,12 @@ mod tables;
 
 use crate::tables::{ASCII_CONTINUE, ASCII_START, CHUNK, LEAF, TRIE_CONTINUE, TRIE_START};
 
+#[inline]
 pub fn is_id_start(ch: char) -> bool {
     if ch.is_ascii() {
         return ASCII_START.0[ch as usize];
     }
-    is_id_continue(ch)
+    is_id_start_unicode(ch)
 }
 
 #[inline]
@@ -267,6 +268,7 @@ pub fn is_id_start_unicode(ch: char) -> bool {
     unsafe { LEAF.0.get_unchecked(offset) }.wrapping_shr(ch as u32 % 8) & 1 != 0
 }
 
+#[inline]
 pub fn is_id_continue(ch: char) -> bool {
     if ch.is_ascii() {
         return ASCII_CONTINUE.0[ch as usize];
diff --git a/tests/static_size.rs b/tests/static_size.rs
index 7dc7d58..ca33d60 100644
--- a/tests/static_size.rs
+++ b/tests/static_size.rs
@@ -23,7 +23,7 @@ fn test_id_size() {
     mod tables;
 
     let size = size_of_val(tables::ID_START) + size_of_val(tables::ID_CONTINUE);
-    assert_eq!(11528, size);
+    assert_eq!(11416, size);
 
     let _ = tables::BY_NAME;
 }
@@ -70,7 +70,7 @@ fn test_trieset_size() {
         + size_of_val(tree3_level2)
         + size_of_val(tree3_level3);
 
-    assert_eq!(10208, start_size + continue_size);
+    assert_eq!(10192, start_size + continue_size);
 
     let _ = trie::BY_NAME;
 }
@@ -80,7 +80,7 @@ fn test_fst_size() {
     let id_start_fst = include_bytes!("fst/id_start.fst");
     let id_continue_fst = include_bytes!("fst/id_continue.fst");
     let size = id_start_fst.len() + id_continue_fst.len();
-    assert_eq!(137749, size);
+    assert_eq!(136291, size);
 }
 
 #[test]