diff --git a/biology/hyphy/files/patch-src_core_include_likefunc.h b/biology/hyphy/files/patch-src_core_include_likefunc.h
new file mode 100644
index 000000000000..bd2ab76cc7cb
--- /dev/null
+++ b/biology/hyphy/files/patch-src_core_include_likefunc.h
@@ -0,0 +1,12 @@
+--- src/core/include/likefunc.h.orig	2023-06-27 12:50:39 UTC
++++ src/core/include/likefunc.h
+@@ -282,9 +282,6 @@ class   _LikelihoodFunction: public BaseObj { (public)
+     long        GetThreadCount            (void) {
+         return 1L;
+     }
+-    void        SetThreadCount            (long) {
+-        
+-    }
+ #endif
+ #endif
+