diff --git a/Artix-7-HDMI-processing.cache/wt/java_command_handlers.wdf b/Artix-7-HDMI-processing.cache/wt/java_command_handlers.wdf
deleted file mode 100644
index 1d8c903..0000000
--- a/Artix-7-HDMI-processing.cache/wt/java_command_handlers.wdf
+++ /dev/null
@@ -1,3 +0,0 @@
-version:1
-70726f6a656374:706c616e5f61686561645f75736167655c6a6176615f636f6d6d616e645f68616e646c657273:6e657770726f6a656374:2d31:00:00
-eof:625436222
diff --git a/Artix-7-HDMI-processing.cache/wt/webtalk_pa.xml b/Artix-7-HDMI-processing.cache/wt/webtalk_pa.xml
deleted file mode 100644
index 736d475..0000000
--- a/Artix-7-HDMI-processing.cache/wt/webtalk_pa.xml
+++ /dev/null
@@ -1,29 +0,0 @@
-<?xml version="1.0" encoding="UTF-8" ?>
-<document>
-<!--The data in this file is primarily intended for consumption by Xilinx tools.
-The structure and the elements are likely to change over the next few releases.
-This means code written to parse this file will need to be revisited each subsequent release.-->
-<application name="pa" timeStamp="Tue Aug 04 21:42:27 2015">
-<section name="Project Information" visible="false">
-<property name="ProjectID" value="1b5c2076c55343a1a76449823623e509" type="ProjectID"/>
-<property name="ProjectIteration" value="1" type="ProjectIteration"/>
-</section>
-<section name="PlanAhead Usage" visible="true">
-<item name="Project Data">
-<property name="SrcSetCount" value="1" type="SrcSetCount"/>
-<property name="ConstraintSetCount" value="1" type="ConstraintSetCount"/>
-<property name="DesignMode" value="RTL" type="DesignMode"/>
-<property name="SynthesisStrategy" value="Vivado Synthesis Defaults" type="SynthesisStrategy"/>
-<property name="ImplStrategy" value="Vivado Implementation Defaults" type="ImplStrategy"/>
-</item>
-<item name="Java Command Handlers">
-<property name="NewProject" value="-1" type="JavaHandler"/>
-</item>
-<item name="Other">
-<property name="GuiMode" value="103" type="GuiMode"/>
-<property name="BatchMode" value="0" type="BatchMode"/>
-<property name="TclMode" value="76" type="TclMode"/>
-</item>
-</section>
-</application>
-</document>
diff --git a/src/edid_rom.vhd b/src/edid_rom.vhd
index fb14e27..828f650 100644
--- a/src/edid_rom.vhd
+++ b/src/edid_rom.vhd
@@ -43,6 +43,7 @@
 --  Commercial use  - A weeks pay for an engineer (I wish!)
 --
 ----------------------------------------------------------------------------------library ieee;
+library ieee;
 use ieee.std_logic_1164.all;
 use ieee.numeric_std.all;