1 files changed, 3 insertions, 0 deletions
diff --git a/src/synth/synth-decls.adb b/src/synth/synth-decls.adb
index 53a5b0c5f..31540cf7d 100644
--- a/src/synth/synth-decls.adb
+++ b/src/synth/synth-decls.adb
@@ -466,6 +466,9 @@ package body Synth.Decls is
             null;
          when Iir_Kind_File_Declaration =>
             null;
+         when Iir_Kind_Psl_Default_Clock =>
+            --  Ignored; directly used by PSL directives.
+            null;
          when others =>
             Error_Kind ("synth_declaration", Decl);
       end case;