diff --git a/ODIN_II/SRC/enum_str.cpp b/ODIN_II/SRC/enum_str.cpp
index dc0fe6ad837..e72babdb005 100644
--- a/ODIN_II/SRC/enum_str.cpp
+++ b/ODIN_II/SRC/enum_str.cpp
@@ -2,7 +2,8 @@
 
 const char *file_extension_supported_STR[] =
 {
-	".v"
+	".v",
+	".vh"
 };
 
 const char *edge_type_e_STR[] =
diff --git a/ODIN_II/SRC/include/odin_types.h b/ODIN_II/SRC/include/odin_types.h
index aef540785ea..5130929ea6a 100644
--- a/ODIN_II/SRC/include/odin_types.h
+++ b/ODIN_II/SRC/include/odin_types.h
@@ -162,6 +162,7 @@ extern const char *ids_STR [];
 enum file_extension_supported
 {
 	VERILOG,
+	VERILOG_HEADER,
 	file_extension_supported_END
 };
 
diff --git a/ODIN_II/SRC/include/odin_util.h b/ODIN_II/SRC/include/odin_util.h
index ee74236d94e..634fd334dd5 100644
--- a/ODIN_II/SRC/include/odin_util.h
+++ b/ODIN_II/SRC/include/odin_util.h
@@ -11,6 +11,7 @@ long shift_left_value_with_overflow_check(long input_value, long shift_by);
 
 std::string get_file_extension(std::string input_file);
 void create_directory(std::string path);
+void assert_supported_file_extension(std::string input_file, int file_number);
 
 const char *name_based_on_op(operation_list op);
 const char *name_based_on_ids(ids op);
diff --git a/ODIN_II/SRC/odin_util.cpp b/ODIN_II/SRC/odin_util.cpp
index 81b8431e849..0bd02f8e0df 100644
--- a/ODIN_II/SRC/odin_util.cpp
+++ b/ODIN_II/SRC/odin_util.cpp
@@ -86,6 +86,33 @@ void create_directory(std::string path)
 	}
 }
 
+void assert_supported_file_extension(std::string input_file, int file_number)
+{
+	bool supported = false;
+	std::string extension = get_file_extension(input_file);
+	for(int i = 0; i< file_extension_supported_END && ! supported; i++)
+	{
+		supported = (extension == std::string(file_extension_supported_STR[i]) );
+	}
+
+	if(! supported)
+	{
+		std::string supported_extension_list = "";
+		for(int i=0; i<file_extension_supported_END; i++)
+		{
+			supported_extension_list += " "; 
+			supported_extension_list += file_extension_supported_STR[i];
+		}
+
+		error_message(ARG_ERROR, -1, file_number, 
+			"File (%s) has an unsupported extension (%s), Odin only support { %s }",
+			input_file.c_str(),
+			extension.c_str(),
+			supported_extension_list.c_str()
+			);
+	}
+}
+
 /*---------------------------------------------------------------------------------------------
  * (function: name_based_on_op)
  * 	Get the string version of an operation
diff --git a/ODIN_II/SRC/parse_making_ast.cpp b/ODIN_II/SRC/parse_making_ast.cpp
index 204d2ea23b1..91f8ca120ff 100644
--- a/ODIN_II/SRC/parse_making_ast.cpp
+++ b/ODIN_II/SRC/parse_making_ast.cpp
@@ -78,34 +78,6 @@ short to_view_parse;
 ast_node_t *newFunctionAssigning(ast_node_t *expression1, ast_node_t *expression2, int line_number);
 ast_node_t *resolve_ports(ids top_type, ast_node_t *symbol_list);
 
-
-static void assert_supported_file_extension(std::string input_file, int file_number)
-{
-	bool supported = false;
-	std::string extension = get_file_extension(input_file);
-	for(int i = 0; i< file_extension_supported_END && ! supported; i++)
-	{
-		supported = (extension == std::string(file_extension_supported_STR[i]) );
-	}
-
-	if(! supported)
-	{
-		std::string supported_extension_list = "";
-		for(int i=0; i<file_extension_supported_END; i++)
-		{
-			supported_extension_list += " "; 
-			supported_extension_list += file_extension_supported_STR[i];
-		}
-
-		error_message(ARG_ERROR, -1, file_number, 
-			"File (%s) has an unsupported extension (%s), Odin only support { %s }",
-			input_file.c_str(),
-			extension.c_str(),
-			supported_extension_list.c_str()
-			);
-	}
-}
-
 /*---------------------------------------------------------------------------------------------
  * (function: parse_to_ast)
  *-------------------------------------------------------------------------------------------*/
@@ -808,12 +780,6 @@ ast_node_t *markAndProcessSymbolListWith(ids top_type, ids id, ast_node_t *symbo
 						symbol_list->children[i] = markAndProcessPortWith(top_type, id, NO_ID, symbol_list->children[i], is_signed);
 						break;
 					case WIRE:
-						if ((symbol_list->children[i]->num_children == 6 && symbol_list->children[i]->children[5] != NULL)
-							|| (symbol_list->children[i]->num_children == 8 && symbol_list->children[i]->children[7] != NULL))
-						{
-							error_message(NETLIST_ERROR, symbol_list->children[i]->line_number, symbol_list->children[i]->file_number, "%s",
-									"Nets cannot be initialized\n");
-						}
 						if (is_signed)
 						{
 							/* cannot support signed nets right now */
diff --git a/ODIN_II/SRC/verilog_preprocessor.cpp b/ODIN_II/SRC/verilog_preprocessor.cpp
index 34153f60993..423ca364473 100644
--- a/ODIN_II/SRC/verilog_preprocessor.cpp
+++ b/ODIN_II/SRC/verilog_preprocessor.cpp
@@ -505,6 +505,7 @@ void veri_preproc_bootstraped(FILE *original_source, FILE *preproc_producer, ver
 								}
 								else if (NULL != (new_include = add_veri_include(file_path.c_str(), line_number, current_include)))
 								{
+									assert_supported_file_extension(file_path, -1);
 									printf("Including file %s\n", new_include->path);
 									veri_preproc_bootstraped(included_file, preproc_producer, new_include);
 								}