diff --git a/Sources/ComposableArchitectureMacros/ObservableStateMacro.swift b/Sources/ComposableArchitectureMacros/ObservableStateMacro.swift
index 81dd49f26f15..5fd3d9cd3fd8 100644
--- a/Sources/ComposableArchitectureMacros/ObservableStateMacro.swift
+++ b/Sources/ComposableArchitectureMacros/ObservableStateMacro.swift
@@ -431,12 +431,10 @@ extension ObservableStateMacro: ExtensionMacro {
     }
 
     return [
-      (
-      """
+      ("""
       extension \(raw: type.trimmedDescription): \(raw: qualifiedConformanceName), \
       Observation.Observable {}
-      """ as DeclSyntax
-      )
+      """ as DeclSyntax)
       .cast(ExtensionDeclSyntax.self)
     ]
   }
diff --git a/Tests/ComposableArchitectureTests/ObserveTests.swift b/Tests/ComposableArchitectureTests/ObserveTests.swift
index e13f1973567d..4f9ca8269e47 100644
--- a/Tests/ComposableArchitectureTests/ObserveTests.swift
+++ b/Tests/ComposableArchitectureTests/ObserveTests.swift
@@ -33,10 +33,9 @@
     }
   }
 
-@Perceptible
-class Model {
-  var count = 0
-}
+  @Perceptible
+  class Model {
+    var count = 0
+  }
 
 #endif
-