diff --git a/src/modules/module_00600.c b/src/modules/module_00600.c
index 6fd67c51f..3a2b13610 100644
--- a/src/modules/module_00600.c
+++ b/src/modules/module_00600.c
@@ -54,13 +54,6 @@ typedef struct blake2
 
 static const char *SIGNATURE_BLAKE2B = "$BLAKE2$";
 
-u32 module_kernel_threads_max (MAYBE_UNUSED const hashconfig_t *hashconfig, MAYBE_UNUSED const user_options_t *user_options, MAYBE_UNUSED const user_options_extra_t *user_options_extra)
-{
-  const u32 kernel_threads_max = 64; // performance only optimization
-
-  return kernel_threads_max;
-}
-
 u64 module_esalt_size (MAYBE_UNUSED const hashconfig_t *hashconfig, MAYBE_UNUSED const user_options_t *user_options, MAYBE_UNUSED const user_options_extra_t *user_options_extra)
 {
   const u64 esalt_size = (const u64) sizeof (blake2_t);
@@ -198,7 +191,7 @@ void module_init (module_ctx_t *module_ctx)
   module_ctx->module_kernel_accel_min         = MODULE_DEFAULT;
   module_ctx->module_kernel_loops_max         = MODULE_DEFAULT;
   module_ctx->module_kernel_loops_min         = MODULE_DEFAULT;
-  module_ctx->module_kernel_threads_max       = module_kernel_threads_max;
+  module_ctx->module_kernel_threads_max       = MODULE_DEFAULT;
   module_ctx->module_kernel_threads_min       = MODULE_DEFAULT;
   module_ctx->module_kern_type                = module_kern_type;
   module_ctx->module_kern_type_dynamic        = MODULE_DEFAULT;