diff --git a/src/xsref/cpp_generation.py b/src/xsref/cpp_generation.py
index ac820258..4d3ff47e 100644
--- a/src/xsref/cpp_generation.py
+++ b/src/xsref/cpp_generation.py
@@ -399,6 +399,8 @@ def generate_test_file(func_name, types, case_family, *, arg_names=None):
             if hasattr(xsref, func_name):
                 arg_names = getattr(xsref, func_name)._arg_names
             func_arg_names[func_name] = arg_names
+        else:
+            func_types[func_name].append([in_types, out_types])
 
     for func_name, types in func_types.items():
         arg_names = func_arg_names[func_name]
diff --git a/tables/scipy_special_tests/hyp1f1/Err_d_d_d-d_gcc-linux-x86_64.parquet b/tables/scipy_special_tests/hyp1f1/Err_d_d_d-d_gcc-linux-x86_64.parquet
deleted file mode 100644
index 076b141e..00000000
Binary files a/tables/scipy_special_tests/hyp1f1/Err_d_d_d-d_gcc-linux-x86_64.parquet and /dev/null differ
diff --git a/tables/scipy_special_tests/hyp1f1/In_d_d_d-d.parquet b/tables/scipy_special_tests/hyp1f1/In_d_d_d-d.parquet
deleted file mode 100644
index de62da92..00000000
Binary files a/tables/scipy_special_tests/hyp1f1/In_d_d_d-d.parquet and /dev/null differ
diff --git a/tables/scipy_special_tests/hyp1f1/Out_d_d_d-d.parquet b/tables/scipy_special_tests/hyp1f1/Out_d_d_d-d.parquet
deleted file mode 100644
index 40867ba5..00000000
Binary files a/tables/scipy_special_tests/hyp1f1/Out_d_d_d-d.parquet and /dev/null differ