diff --git a/docs/rules/prefer-readonly-type.md b/docs/rules/prefer-readonly-type.md
index 2972e1115..89cb95db8 100644
--- a/docs/rules/prefer-readonly-type.md
+++ b/docs/rules/prefer-readonly-type.md
@@ -1,6 +1,10 @@
 # Prefer readonly types over mutable types (prefer-readonly-type)
 
-This rule enforces use of the readonly modifier and readonly types.
+## :warning: This rule is deprecated
+
+This rule has been replaced by
+[prefer-immutable-parameter-types](./prefer-immutable-parameter-types.md) and
+[type-declaration-immutability](./type-declaration-immutability.md).
 
 ## Rule Details
 
diff --git a/src/configs/all.ts b/src/configs/all.ts
index 2223715b7..6e673c717 100644
--- a/src/configs/all.ts
+++ b/src/configs/all.ts
@@ -22,7 +22,7 @@ const config: Linter.Config = {
         "functional/no-method-signature": "error",
         "functional/no-mixed-type": "error",
         "functional/prefer-immutable-parameter-types": "error",
-        "functional/prefer-readonly-type": "error",
+        "functional/prefer-property-signatures": "error",
         "functional/prefer-tacit": ["error", { assumeTypes: false }],
         "functional/no-return-void": "error",
         "functional/type-declaration-immutability": "error",
diff --git a/src/configs/no-mutations.ts b/src/configs/no-mutations.ts
index d3bfc067f..a3cd32f96 100644
--- a/src/configs/no-mutations.ts
+++ b/src/configs/no-mutations.ts
@@ -11,7 +11,6 @@ const config: Linter.Config = {
       rules: {
         "functional/no-method-signature": "warn",
         "functional/prefer-immutable-parameter-types": "error",
-        "functional/prefer-readonly-type": "error",
         "functional/type-declaration-immutability": "error",
       },
     },
diff --git a/src/rules/prefer-readonly-type.ts b/src/rules/prefer-readonly-type.ts
index 20ab69d2f..51dfdd5a7 100644
--- a/src/rules/prefer-readonly-type.ts
+++ b/src/rules/prefer-readonly-type.ts
@@ -112,6 +112,11 @@ const errorMessages = {
  * The meta data for this rule.
  */
 const meta: ESLintUtils.NamedCreateRuleMeta<keyof typeof errorMessages> = {
+  deprecated: true,
+  replacedBy: [
+    "functional/prefer-immutable-parameter-types",
+    "functional/type-declaration-immutability",
+  ],
   type: "suggestion",
   docs: {
     description: "Prefer readonly array over mutable arrays.",