diff --git a/README.md b/README.md
index 1eebbfce..0cf81db8 100644
--- a/README.md
+++ b/README.md
@@ -86,8 +86,6 @@ Tools must implement the following in addition to respecting the schema:
 * When a path identifies a folder,
   the backup includes all of its files and subdirectories recursively.
 * When backing up registry keys, the backup includes all sub-keys recursively.
-* Relative paths must be resolved relative to the location of the manifest file.
-  This is mainly relevant for secondary manifests.
 * If a tool supports secondary manifests, they must be automatically detected
   when they are named `.ludusavi.yaml` and located directly in `<base>`.
   For example, a Steam game's secondary manifest would be `<root>/steamapps/common/<game>/.ludusavi.yaml`.
@@ -106,15 +104,17 @@ Tools may also:
   and it may in fact occur on other operating systems as well.
 * Reject/ignore recursive aliases or set a recursion limit.
   The primary manifest will never contain a recursive alias.
+* Reject/ignore relative paths in the `files` mapping
+  (i.e., paths starting with `./` or `../`).
+  The primary manifest will never contain relative paths.
 
 For authors of secondary manifests bundled with games:
 
 * If present, the secondary manifest must be located directly in the game's install folder (not a subfolder),
   and the file name must be `.ludusavi.yaml`.
-* For clarity and consistency with the primary manifest,
-  you are encouraged to use `<base>` instead of relative paths.
-  For example, prefer `<base>/save.dat` instead of `./save.dat`,
-  and prefer `<base>/../parent` instead of `../parent`.
+* You must use `<base>` instead of relative paths.
+  For example, use `<base>/save.dat` instead of `./save.dat`,
+  and use `<base>/../parent` instead of `../parent`.
 
 The latest version of the primary manifest can be downloaded from
 https://raw.githubusercontent.com/mtkennerly/ludusavi-manifest/master/data/manifest.yaml .
diff --git a/data/manifest.yaml b/data/manifest.yaml
index 91cdcb0a..03acb907 100644
--- a/data/manifest.yaml
+++ b/data/manifest.yaml
@@ -94817,21 +94817,6 @@ Celestial Breach:
   steam:
     id: 547970
 Celestial Command:
-  files:
-    "./Celestial Command/Saves":
-      tags:
-        - save
-      when:
-        - os: windows
-        - os: mac
-        - os: linux
-    "./Celestial Command/Saves/GameSettings.settings":
-      tags:
-        - config
-      when:
-        - os: windows
-        - os: mac
-        - os: linux
   installDir:
     Celestial Command: {}
   launch:
@@ -358724,11 +358709,6 @@ Mr. Shadow:
     id: 543270
 Mr. Shifty:
   files:
-    "./Library/Preferences/unity.Team Shifty.Mr Shifty.plist":
-      tags:
-        - save
-      when:
-        - os: mac
     "<home>/.config/unity3d/Team Shifty/Mr Shifty":
       tags:
         - save
@@ -387372,17 +387352,6 @@ Ongaku:
     id: 360990
 Oni:
   files:
-    "./persist.dat":
-      tags:
-        - save
-      when:
-        - os: windows
-        - os: mac
-    "./persist.dat, ./key_config.txt, ~/Library/Preferences/com.godgames.oni.plist":
-      tags:
-        - config
-      when:
-        - os: mac
     "<base>/AE/key_config.txt":
       tags:
         - config
@@ -515060,11 +515029,6 @@ Startopia:
     id: 243040
 Startup Company:
   files:
-    "./StartupCompany":
-      tags:
-        - save
-      when:
-        - os: linux
     "<home>/Library/Application Support/Startup Company/SaveData":
       tags:
         - save
diff --git a/data/missing.md b/data/missing.md
index b987441a..0d08c555 100644
--- a/data/missing.md
+++ b/data/missing.md
@@ -5380,6 +5380,7 @@
 * [Ceggtcher VR](https://www.pcgamingwiki.com/wiki/?curid=41470)
 * [Celestial](https://www.pcgamingwiki.com/wiki/?curid=144911)
 * [Celestial Breach](https://www.pcgamingwiki.com/wiki/?curid=52422)
+* [Celestial Command](https://www.pcgamingwiki.com/wiki/?curid=49279)
 * [Celestial Creator](https://www.pcgamingwiki.com/wiki/?curid=64554)
 * [Celestial Crossing](https://www.pcgamingwiki.com/wiki/?curid=55738)
 * [Celestial Hacker Girl Jessica](https://www.pcgamingwiki.com/wiki/?curid=98514)
diff --git a/src/wiki.rs b/src/wiki.rs
index bd57912e..1db070b6 100644
--- a/src/wiki.rs
+++ b/src/wiki.rs
@@ -706,7 +706,11 @@ impl WikiPath {
     }
 
     pub fn usable(&self) -> bool {
-        !self.composite.is_empty() && !self.irregular() && !self.too_broad()
+        !self.composite.is_empty()
+            && !self.irregular()
+            && !self.too_broad()
+            && !self.composite.starts_with("./")
+            && !self.composite.starts_with("../")
     }
 }