diff --git a/dev.toml b/dev.toml
index f62d2eb..fe61c9f 100644
--- a/dev.toml
+++ b/dev.toml
@@ -24,7 +24,6 @@ enable_silent_video = true
 enable_full_video = true
 filters = ['blur', 'crop', 'identity', 'resize', 'thumbnail']
 skip_validate_imports = false
-cache_duration = 168
 
 [repo]
 type = 'sled'
diff --git a/pict-rs.toml b/pict-rs.toml
index 7f9a2c8..4fae677 100644
--- a/pict-rs.toml
+++ b/pict-rs.toml
@@ -201,11 +201,6 @@ format = "webp"
 # Set this to true if you want to avoid processing imported media
 skip_validate_imports = false
 
-## Optional: The duration, in hours, to keep media ingested through the "cache" endpoint
-# environment variable: PICTRS__MEDIA__CACHE_DURATION
-# default: 168 (1 week)
-cache_duration = 168
-
 ## Gif configuration 
 #
 # Making any of these bounds 0 will disable gif uploads