diff --git a/env/merlin/sysconfigs/packages.yaml b/env/merlin/sysconfigs/packages.yaml
index 379d2b1..c868efa 100644
--- a/env/merlin/sysconfigs/packages.yaml
+++ b/env/merlin/sysconfigs/packages.yaml
@@ -159,11 +159,6 @@ packages:
     externals:
       - prefix: /usr
         spec: libreadline@6.2
-  libtheora:
-    buildable: false
-    externals:
-      - prefix: /usr
-        spec: libtheora@0.3.10
   libtiff:
     buildable: false
     externals: