diff --git a/ent/admn/dimension.go b/ent/admn/dimension.go
index 12d7371..824ec24 100644
--- a/ent/admn/dimension.go
+++ b/ent/admn/dimension.go
@@ -12,11 +12,3 @@ type Dimension struct {
 	Key    opt.Optional[string] `json:"key"`
 	Data []DimensionData        `json:"data"`
 }
-
-type DimensionData struct {
-	Key        opt.Optional[string] `json:"key"`
-	HumanKey   opt.Optional[string] `json:"human_key"`
-	Value      opt.Optional[string] `json:"value"`
-	Unit       opt.Optional[string] `json:"unit"`
-	HumanValue opt.Optional[string] `json:"human_value"`
-}
diff --git a/ent/admn/dimensiondata.go b/ent/admn/dimensiondata.go
new file mode 100644
index 0000000..64d18f5
--- /dev/null
+++ b/ent/admn/dimensiondata.go
@@ -0,0 +1,18 @@
+package admn
+
+import (
+	"sourcecode.social/reiver/go-opt"
+)
+
+
+// DimensionData represents a Mastodon API "Admin::Dimension Data".
+//
+// See:
+// https://web.archive.org/web/20230716101711/https://docs.joinmastodon.org/entities/Admin_Dimension/#data
+type DimensionData struct {
+	Key        opt.Optional[string] `json:"key"`
+	HumanKey   opt.Optional[string] `json:"human_key"`
+	Value      opt.Optional[string] `json:"value"`
+	Unit       opt.Optional[string] `json:"unit"`
+	HumanValue opt.Optional[string] `json:"human_value"`
+}