diff --git a/internal/database/cache.go b/internal/database/cache.go
deleted file mode 100644
index a3679e397..000000000
--- a/internal/database/cache.go
+++ /dev/null
@@ -1,202 +0,0 @@
-package database
-
-// Copyright (c) Microsoft Corporation.
-// Licensed under the Apache License 2.0.
-
-import (
-	"context"
-	"encoding/json"
-	"iter"
-	"strings"
-
-	"github.com/Azure/ARO-HCP/internal/api/arm"
-)
-
-var _ DBClient = &Cache{}
-
-// Cache is a simple DBClient that allows us to perform simple tests without needing a real CosmosDB. For production,
-// use CosmosDBClient instead. Call NewCache() to initialize a Cache correctly.
-type Cache struct {
-	resource     map[string]*ResourceDocument
-	operation    map[string]*OperationDocument
-	subscription map[string]*SubscriptionDocument
-}
-
-type cacheIterator struct {
-	docs []any
-	err  error
-}
-
-func (iter cacheIterator) Items(ctx context.Context) iter.Seq[[]byte] {
-	return func(yield func([]byte) bool) {
-		for _, doc := range iter.docs {
-			// Marshalling the document struct only to immediately unmarshal
-			// it back to a document struct is a little silly but this is to
-			// conform to the DBClientIterator interface.
-			item, err := json.Marshal(doc)
-			if err != nil {
-				iter.err = err
-				return
-			}
-
-			if !yield(item) {
-				return
-			}
-		}
-	}
-}
-
-func (iter cacheIterator) GetContinuationToken() string {
-	return ""
-}
-
-func (iter cacheIterator) GetError() error {
-	return iter.err
-}
-
-// NewCache initializes a new Cache to allow for simple tests without needing a real CosmosDB. For production, use
-// NewCosmosDBConfig instead.
-func NewCache() DBClient {
-	return &Cache{
-		resource:     make(map[string]*ResourceDocument),
-		operation:    make(map[string]*OperationDocument),
-		subscription: make(map[string]*SubscriptionDocument),
-	}
-}
-
-func (c *Cache) DBConnectionTest(ctx context.Context) error {
-	return nil
-}
-
-func (c *Cache) GetLockClient() *LockClient {
-	return nil
-}
-
-func (c *Cache) GetResourceDoc(ctx context.Context, resourceID *arm.ResourceID) (*ResourceDocument, error) {
-	// Make sure lookup keys are lowercase.
-	key := strings.ToLower(resourceID.String())
-
-	if doc, ok := c.resource[key]; ok {
-		return doc, nil
-	}
-
-	return nil, ErrNotFound
-}
-
-func (c *Cache) CreateResourceDoc(ctx context.Context, doc *ResourceDocument) error {
-	// Make sure lookup keys are lowercase.
-	key := strings.ToLower(doc.Key.String())
-
-	c.resource[key] = doc
-	return nil
-}
-
-func (c *Cache) UpdateResourceDoc(ctx context.Context, resourceID *arm.ResourceID, callback func(*ResourceDocument) bool) (bool, error) {
-	// Make sure lookup keys are lowercase.
-	key := strings.ToLower(resourceID.String())
-
-	if doc, ok := c.resource[key]; ok {
-		return callback(doc), nil
-	}
-
-	return false, ErrNotFound
-}
-
-func (c *Cache) DeleteResourceDoc(ctx context.Context, resourceID *arm.ResourceID) error {
-	// Make sure lookup keys are lowercase.
-	key := strings.ToLower(resourceID.String())
-
-	delete(c.resource, key)
-	return nil
-}
-
-func (c *Cache) ListResourceDocs(ctx context.Context, prefix *arm.ResourceID, maxItems int32, continuationToken *string) DBClientIterator {
-	var iterator cacheIterator
-
-	// Make sure key prefix is lowercase.
-	prefixString := strings.ToLower(prefix.String() + "/")
-
-	for key, doc := range c.resource {
-		if strings.HasPrefix(key, prefixString) {
-			iterator.docs = append(iterator.docs, doc)
-		}
-	}
-
-	return iterator
-}
-
-func (c *Cache) GetOperationDoc(ctx context.Context, operationID string) (*OperationDocument, error) {
-	// Make sure lookup keys are lowercase.
-	key := strings.ToLower(operationID)
-
-	if doc, ok := c.operation[key]; ok {
-		return doc, nil
-	}
-
-	return nil, ErrNotFound
-}
-
-func (c *Cache) CreateOperationDoc(ctx context.Context, doc *OperationDocument) error {
-	// Make sure lookup keys are lowercase.
-	key := strings.ToLower(doc.ID)
-
-	c.operation[key] = doc
-	return nil
-}
-
-func (c *Cache) UpdateOperationDoc(ctx context.Context, operationID string, callback func(*OperationDocument) bool) (bool, error) {
-	// Make sure lookup keys are lowercase.
-	key := strings.ToLower(operationID)
-
-	if doc, ok := c.operation[key]; ok {
-		return callback(doc), nil
-	}
-
-	return false, ErrNotFound
-}
-
-func (c *Cache) DeleteOperationDoc(ctx context.Context, operationID string) error {
-	// Make sure lookup keys are lowercase.
-	key := strings.ToLower(operationID)
-
-	delete(c.operation, key)
-	return nil
-}
-
-func (c *Cache) ListAllOperationDocs(ctx context.Context) DBClientIterator {
-	var iterator cacheIterator
-	for _, doc := range c.operation {
-		iterator.docs = append(iterator.docs, doc)
-	}
-	return iterator
-}
-
-func (c *Cache) GetSubscriptionDoc(ctx context.Context, subscriptionID string) (*SubscriptionDocument, error) {
-	// Make sure lookup keys are lowercase.
-	key := strings.ToLower(subscriptionID)
-
-	if doc, ok := c.subscription[key]; ok {
-		return doc, nil
-	}
-
-	return nil, ErrNotFound
-}
-
-func (c *Cache) CreateSubscriptionDoc(ctx context.Context, doc *SubscriptionDocument) error {
-	// Make sure lookup keys are lowercase.
-	key := strings.ToLower(doc.ID)
-
-	c.subscription[key] = doc
-	return nil
-}
-
-func (c *Cache) UpdateSubscriptionDoc(ctx context.Context, subscriptionID string, callback func(*SubscriptionDocument) bool) (bool, error) {
-	// Make sure lookup keys are lowercase.
-	key := strings.ToLower(subscriptionID)
-
-	if doc, ok := c.subscription[key]; ok {
-		return callback(doc), nil
-	}
-
-	return false, ErrNotFound
-}