diff --git a/build.rs b/build.rs
index 1d8926234..9b35eac5e 100644
--- a/build.rs
+++ b/build.rs
@@ -85,11 +85,7 @@ pub fn main() {
                 phf_map.entry("sha256sum", map_value.clone());
                 phf_map.entry("sha384sum", map_value.clone());
                 phf_map.entry("sha512sum", map_value.clone());
-                phf_map.entry("sha3sum", map_value.clone());
-                phf_map.entry("shake128sum", map_value.clone());
-                phf_map.entry("shake256sum", map_value.clone());
                 phf_map.entry("b2sum", map_value.clone());
-                phf_map.entry("b3sum", map_value.clone());
             }
             _ => {
                 phf_map.entry(krate, map_value.clone());