diff --git a/.changeset/short-cloths-tie.md b/.changeset/short-cloths-tie.md
new file mode 100644
index 0000000000..fe379fb18d
--- /dev/null
+++ b/.changeset/short-cloths-tie.md
@@ -0,0 +1,5 @@
+---
+'@backstage/backend-defaults': patch
+---
+
+Don't warn when parsing `storeOptions` for `memory` cache
diff --git a/packages/backend-defaults/src/entrypoints/cache/CacheManager.ts b/packages/backend-defaults/src/entrypoints/cache/CacheManager.ts
index 06b2b0c57b..428a4b7592 100644
--- a/packages/backend-defaults/src/entrypoints/cache/CacheManager.ts
+++ b/packages/backend-defaults/src/entrypoints/cache/CacheManager.ts
@@ -134,7 +134,7 @@ export class CacheManager {
   ): CacheStoreOptions | undefined {
     const storeConfigPath = `backend.cache.${store}`;
 
-    if (!config.has(storeConfigPath)) {
+    if (store !== 'memory' && !config.has(storeConfigPath)) {
       logger?.warn(
         `No configuration found for cache store '${store}' at '${storeConfigPath}'.`,
       );