diff --git a/build/full.cfg b/build/full.cfg
index 305d4b42bf..8eb0853d8d 100644
--- a/build/full.cfg
+++ b/build/full.cfg
@@ -10,3 +10,5 @@ Rico/Corner.js
 [include]
 
 [exclude]
+Firebug/firebug.js
+Firebug/firebugx.js
diff --git a/build/library.cfg b/build/library.cfg
index 5397cff9c3..ad5fcbc1dd 100644
--- a/build/library.cfg
+++ b/build/library.cfg
@@ -10,6 +10,8 @@ Rico/Corner.js
 [include]
 
 [exclude]
+Firebug/firebug.js
+Firebug/firebugx.js
 OpenLayers/Format/GeoRSS.js
 OpenLayers/Format/GML.js
 OpenLayers/Format/WKT.js
diff --git a/build/lite.cfg b/build/lite.cfg
index 4518c475a6..f03c1b97b1 100644
--- a/build/lite.cfg
+++ b/build/lite.cfg
@@ -18,3 +18,5 @@ OpenLayers/Tile.js
 OpenLayers/Tile/Image.js
 
 [exclude]
+Firebug/firebug.js
+Firebug/firebugx.js