diff --git a/pkg/validation/external/removed_apis.go b/pkg/validation/external/removed_apis.go
new file mode 100644
index 000000000..b93c9b311
--- /dev/null
+++ b/pkg/validation/external/removed_apis.go
@@ -0,0 +1,43 @@
+package external
+
+import (
+	"github.com/operator-framework/api/pkg/manifests"
+	"k8s.io/apimachinery/pkg/apis/meta/v1/unstructured"
+)
+
+func GetRemovedAPIsOn1_25From(bundle *manifests.Bundle) map[string][]string {
+	deprecatedAPIs := make(map[string][]string)
+	for _, obj := range bundle.Objects {
+		switch usage := obj.GetObjectKind().(type) {
+		case *unstructured.Unstructured:
+			switch usage.GetAPIVersion() {
+			case "batch/v1beta1":
+				if usage.GetKind() == "CronJob" {
+					addDepUsage(deprecatedAPIs, usage)
+				}
+			case "discovery.k8s.io/v1beta1":
+				if usage.GetKind() == "EndpointSlice" {
+					addDepUsage(deprecatedAPIs, usage)
+				}
+			case "events.k8s.io/v1beta1":
+				if usage.GetKind() == "Event" {
+					addDepUsage(deprecatedAPIs, usage)
+				}
+			case "policy/v1beta1":
+				if usage.GetKind() == "PodDisruptionBudget" || usage.GetKind() == "PodSecurityPolicy" {
+					addDepUsage(deprecatedAPIs, usage)
+				}
+			case "node.k8s.io/v1beta1":
+				if usage.GetKind() == "RuntimeClass" {
+					addDepUsage(deprecatedAPIs, usage)
+				}
+			}
+		}
+	}
+	return deprecatedAPIs
+}
+
+func addDepUsage(deprecatedAPIs map[string][]string, u *unstructured.Unstructured) map[string][]string {
+	deprecatedAPIs[u.GetKind()] = append(deprecatedAPIs[u.GetKind()], u.GetName())
+	return deprecatedAPIs
+}
diff --git a/pkg/validation/external/removed_apis_test.go b/pkg/validation/external/removed_apis_test.go
new file mode 100644
index 000000000..139cdef1e
--- /dev/null
+++ b/pkg/validation/external/removed_apis_test.go
@@ -0,0 +1,57 @@
+package external
+
+import (
+	"github.com/operator-framework/api/pkg/manifests"
+	"github.com/stretchr/testify/require"
+	"reflect"
+	"testing"
+)
+
+func Test_getDeprecated1_25APIs(t *testing.T) {
+
+	// Mock the expected result for ../internal/testdata/valid_bundle_v1beta1
+	crdMock := make(map[string][]string)
+	crdMock["CRD"] = []string{"etcdbackups.etcd.database.coreos.com", "etcdclusters.etcd.database.coreos.com", "etcdrestores.etcd.database.coreos.com"}
+
+	// Mock the expected result
+	otherKindsMock := make(map[string][]string)
+	otherKindsMock["PodDisruptionBudget"] = []string{"busybox-pdb"}
+
+	bundleDirPrefix := "../internal/testdata/" // let's reuse the testdata, so we can avoid creating more
+
+	type args struct {
+		bundleDir string
+	}
+	tests := []struct {
+		name string
+		args args
+		want map[string][]string
+	}{
+		{
+			name: "should return an empty map when no deprecated apis are found",
+			args: args{
+				bundleDir: bundleDirPrefix + "valid_bundle_v1",
+			},
+			want: map[string][]string{},
+		},
+		{
+			name: "should return map with others kinds which are deprecated",
+			args: args{
+				bundleDir: bundleDirPrefix + "bundle_with_deprecated_resources",
+			},
+			want: otherKindsMock,
+		},
+	}
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+
+			// Validate the bundle object
+			bundle, err := manifests.GetBundleFromDir(tt.args.bundleDir)
+			require.NoError(t, err)
+
+			if got := GetRemovedAPIsOn1_25From(bundle); !reflect.DeepEqual(got, tt.want) {
+				t.Errorf("getRemovedAPIsOn1_25From() = %v, want %v", got, tt.want)
+			}
+		})
+	}
+}