diff --git a/src/diagnostics.ts b/src/diagnostics.ts
index a3b44fd76..30c6ab513 100644
--- a/src/diagnostics.ts
+++ b/src/diagnostics.ts
@@ -3,7 +3,7 @@ import path from "path";
 
 import type { ActionState } from "./action-common";
 import { getTemporaryDirectory } from "./actions-util";
-import type { Config } from "./config-utils";
+import type { ActionConfig } from "./config/action-config";
 import { Language } from "./languages";
 import { getActionsLogger, type Logger } from "./logging";
 import {
@@ -160,7 +160,7 @@ export function getDiagnosticsPath(basePath: string, language?: Language) {
  * @param diagnostic The diagnostic message to add to the database.
  */
 export function addDiagnostic(
-  config: Config,
+  config: ActionConfig<"dbLocation" | "tempDir">,
   language: Language,
   diagnostic: DiagnosticMessage,
   logger: Logger = getActionsLogger(),
@@ -185,7 +185,7 @@ export function addDiagnostic(
 
 /** Adds a diagnostic that is not specific to any language. */
 export function addNoLanguageDiagnostic(
-  config: Config | undefined,
+  config: ActionConfig<"languages" | "dbLocation" | "tempDir"> | undefined,
   diagnostic: DiagnosticMessage,
   logger: Logger = getActionsLogger(),
 ) {
@@ -268,7 +268,7 @@ function writeDiagnosticFile(
 
 /** Gets the path where diagnostics for {@link language} should be stored in the database. */
 export function getDatabaseDiagnosticsPath(
-  config: Config,
+  config: ActionConfig<"dbLocation">,
   language: Language | undefined,
 ) {
   return getDiagnosticsPath(config.dbLocation, language);
@@ -283,7 +283,7 @@ export function getDatabaseDiagnosticsPath(
  */
 function writeDiagnostic(
   action: ActionState<["Logger"]>,
-  config: Config,
+  config: ActionConfig<"dbLocation">,
   language: Language | undefined,
   diagnostic: DiagnosticMessage,
 ) {
@@ -317,7 +317,7 @@ export function logTemporaryDiagnostics(action: ActionState<["Logger"]>) {
 /** Relocates all temporary diagnostics to the respective databases. */
 export function flushDiagnostics(
   action: ActionState<["Logger"]>,
-  config: Config,
+  config: ActionConfig<"dbLocation" | "languages">,
 ) {
   const diagnosticsCount = temporaryDiagnostics.length;
   action.logger.debug(