diff --git a/conf/e2/catalog.xml b/conf/e2/catalog.xml
deleted file mode 100644
index d0c7333aa..000000000
--- a/conf/e2/catalog.xml
+++ /dev/null
@@ -1,16 +0,0 @@
-<?xml version="1.0"?>
-<!DOCTYPE catalog
-    PUBLIC "-//OASIS/DTD Entity Resolution XML Catalog V1.0//EN"
-    "http://www.oasis-open.org/committees/entity/release/1.0/catalog.dtd">
-
-<catalog xmlns="urn:oasis:names:tc:entity:xmlns:xml:catalog">
-    <rewriteURI
-        uriStartString="config://core/"
-        rewritePrefix="../../res/core/" />
-    <rewriteURI
-        uriStartString="config://game/"
-        rewritePrefix="../../res/eressea/" />
-    <rewriteURI
-        uriStartString="config://default/"
-        rewritePrefix="../../res/" />
-</catalog>
diff --git a/conf/e3/catalog.xml b/conf/e3/catalog.xml
deleted file mode 100644
index 9987e72c8..000000000
--- a/conf/e3/catalog.xml
+++ /dev/null
@@ -1,16 +0,0 @@
-<?xml version="1.0"?>
-<!DOCTYPE catalog
-    PUBLIC "-//OASIS/DTD Entity Resolution XML Catalog V1.0//EN"
-    "http://www.oasis-open.org/committees/entity/release/1.0/catalog.dtd">
-
-<catalog xmlns="urn:oasis:names:tc:entity:xmlns:xml:catalog">
-    <rewriteURI
-        uriStartString="config://core/"
-        rewritePrefix="../../res/core/" />
-    <rewriteURI
-        uriStartString="config://game/"
-        rewritePrefix="../../res/e3a/" />
-    <rewriteURI
-        uriStartString="config://default/"
-        rewritePrefix="../../res/" />
-</catalog>