diff --git a/vendor/pulp-platform/obi/src/obi_pkg.sv b/vendor/pulp-platform/obi/src/obi_pkg.sv
index 32bb1d10b..466568b96 100644
--- a/vendor/pulp-platform/obi/src/obi_pkg.sv
+++ b/vendor/pulp-platform/obi/src/obi_pkg.sv
@@ -88,22 +88,17 @@ package obi_pkg;
     obi_optional_cfg_t OptionalCfg;
   } obi_cfg_t;
 
-  function automatic obi_cfg_t obi_default_cfg(int unsigned AddrWidth, int unsigned DataWidth,
-    int unsigned IdWidth, obi_optional_cfg_t OptionalCfg);
-    obi_default_cfg = '{
-      UseRReady:          1'b0,
-      CombGnt:            1'b0,
-      AddrWidth:     AddrWidth,
-      DataWidth:     DataWidth,
-      IdWidth:         IdWidth,
-      Integrity:          1'b0,
-      BeFull:             1'b1,
-      OptionalCfg: OptionalCfg
-    };
-  endfunction
-
   /// The default OBI bus config.
-  localparam obi_cfg_t ObiDefaultConfig = obi_default_cfg(32, 32, 1, ObiMinimalOptionalConfig);
+  localparam obi_cfg_t ObiDefaultConfig = '{
+      UseRReady: 1'b0,
+      CombGnt: 1'b0,
+      AddrWidth: 32,
+      DataWidth: 32,
+      IdWidth: 1,
+      Integrity: 1'b0,
+      BeFull: 1'b1,
+      OptionalCfg: ObiMinimalOptionalConfig
+  };
 
   function automatic obi_cfg_t mux_grow_cfg(obi_cfg_t ObiCfgIn, int unsigned NumManagers);
     mux_grow_cfg = '{