diff --git a/changelog/dmd.enum-function.dd b/changelog/dmd.enum-function.dd
new file mode 100644
index 000000000000..5caf34d24e4b
--- /dev/null
+++ b/changelog/dmd.enum-function.dd
@@ -0,0 +1,3 @@
+A function with enum storage class is now deprecated, not an error
+
+The error was introduced in 2.105.0.
diff --git a/compiler/src/dmd/parse.d b/compiler/src/dmd/parse.d
index d15e448150fa..a42cc14664b9 100644
--- a/compiler/src/dmd/parse.d
+++ b/compiler/src/dmd/parse.d
@@ -4581,8 +4581,10 @@ class Parser(AST, Lexer = dmd.lexer.Lexer) : Lexer
             }
             else if (t.ty == Tfunction)
             {
+                /* @@@DEPRECATED_2.115@@@
+                 * change to error, deprecated in 2.105.1 */
                 if (storage_class & STC.manifest)
-                    error("function cannot have enum storage class");
+                    deprecation("function cannot have enum storage class");
 
                 AST.Expression constraint = null;
                 //printf("%s funcdecl t = %s, storage_class = x%lx\n", loc.toChars(), t.toChars(), storage_class);
diff --git a/compiler/test/fail_compilation/enum_function.d b/compiler/test/fail_compilation/enum_function.d
index b22f2ceccef7..52b71d12f5d9 100644
--- a/compiler/test/fail_compilation/enum_function.d
+++ b/compiler/test/fail_compilation/enum_function.d
@@ -1,10 +1,11 @@
 /*
+REQUIRED_ARGS: -de
 TEST_OUTPUT:
 ---
-fail_compilation/enum_function.d(10): Error: function cannot have enum storage class
-fail_compilation/enum_function.d(11): Error: function cannot have enum storage class
-fail_compilation/enum_function.d(12): Error: function cannot have enum storage class
-fail_compilation/enum_function.d(13): Error: function cannot have enum storage class
+fail_compilation/enum_function.d(11): Deprecation: function cannot have enum storage class
+fail_compilation/enum_function.d(12): Deprecation: function cannot have enum storage class
+fail_compilation/enum_function.d(13): Deprecation: function cannot have enum storage class
+fail_compilation/enum_function.d(14): Deprecation: function cannot have enum storage class
 ---
 */
 enum void f1() { return; }