diff --git a/internal/app/piwigo_mock_test.go b/internal/app/piwigo_mock_test.go
index b85cd43..4820a2e 100644
--- a/internal/app/piwigo_mock_test.go
+++ b/internal/app/piwigo_mock_test.go
@@ -151,6 +151,20 @@ func (m *MockPiwigoImageApi) EXPECT() *MockPiwigoImageApiMockRecorder {
 	return m.recorder
 }
 
+// DeleteImages mocks base method
+func (m *MockPiwigoImageApi) DeleteImages(arg0 []int) error {
+	m.ctrl.T.Helper()
+	ret := m.ctrl.Call(m, "DeleteImages", arg0)
+	ret0, _ := ret[0].(error)
+	return ret0
+}
+
+// DeleteImages indicates an expected call of DeleteImages
+func (mr *MockPiwigoImageApiMockRecorder) DeleteImages(arg0 interface{}) *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "DeleteImages", reflect.TypeOf((*MockPiwigoImageApi)(nil).DeleteImages), arg0)
+}
+
 // ImageCheckFile mocks base method
 func (m *MockPiwigoImageApi) ImageCheckFile(arg0 int, arg1 string) (int, error) {
 	m.ctrl.T.Helper()
diff --git a/internal/pkg/piwigo/piwigoContext.go b/internal/pkg/piwigo/piwigoContext.go
index 2c5cc3c..cd9b71a 100644
--- a/internal/pkg/piwigo/piwigoContext.go
+++ b/internal/pkg/piwigo/piwigoContext.go
@@ -33,6 +33,7 @@ type PiwigoImageApi interface {
 	ImageCheckFile(piwigoId int, md5sum string) (int, error)
 	ImagesExistOnPiwigo(md5sums []string) (map[string]int, error)
 	UploadImage(piwigoId int, filePath string, md5sum string, category int) (int, error)
+	DeleteImages(imageIds []int) error
 }
 
 type PiwigoContext struct {
@@ -186,7 +187,7 @@ func (context *PiwigoContext) ImageCheckFile(piwigoId int, md5sum string) (int,
 
 func (context *PiwigoContext) ImagesExistOnPiwigo(md5sums []string) (map[string]int, error) {
 	//TODO: make sure to split to multiple queries -> to honor max upload queries
-	md5sumList := strings.Join(md5sums, ",")
+	md5sumList := strings.Join(md5sums, "|")
 
 	formData := url.Values{}
 	formData.Set("method", "pwg.images.exist")
@@ -246,6 +247,48 @@ func (context *PiwigoContext) UploadImage(piwigoId int, filePath string, md5sum
 	return imageId, nil
 }
 
+func (context *PiwigoContext) DeleteImages(imageIds []int) error {
+	logrus.Debug("Entering DeleteImages")
+	defer logrus.Debug("Leaving DeleteImages")
+
+	pwgToken, err := context.getPiwigoToken()
+	if err != nil {
+		return err
+	}
+
+	parts := make([]string, len(imageIds))
+	for id := range imageIds {
+		parts = append(parts, strconv.Itoa(id))
+	}
+	joinedIds := strings.Join(parts, "|")
+
+	logrus.Infof("Deleting images: %s", joinedIds)
+
+	formData := url.Values{}
+	formData.Set("method", "pwg.images.delete")
+	formData.Set("image_id", joinedIds)
+	formData.Set("pwg_token", pwgToken)
+
+	var deleteResponse deleteResponse
+	return context.executePiwigoRequest(formData, &deleteResponse)
+}
+
+func (context *PiwigoContext) getPiwigoToken() (string, error) {
+	logrus.Debug("Entering getPiwigoToken")
+	defer logrus.Debug("Leaving getPiwigoToken")
+
+	status, err := context.getStatus()
+	if err != nil {
+		logrus.Error("Could not get piwigo status.")
+		return "", err
+	}
+	pwgToken := status.Result.PwgToken
+	if pwgToken == "" {
+		return "", errors.New("Did not get a valid piwigo token. Could not delete the images.")
+	}
+	return pwgToken, nil
+}
+
 func (context *PiwigoContext) initializeCookieJarIfRequired() {
 	if context.cookies != nil {
 		return
diff --git a/internal/pkg/piwigo/responses.go b/internal/pkg/piwigo/responses.go
index 9805111..8db940d 100644
--- a/internal/pkg/piwigo/responses.go
+++ b/internal/pkg/piwigo/responses.go
@@ -130,3 +130,12 @@ type checkFilesResponse struct {
 func (r checkFilesResponse) responseStatus() string {
 	return r.Status
 }
+
+type deleteResponse struct {
+	Status string `json:"stat"`
+	Result int    `json:"result"`
+}
+
+func (r deleteResponse) responseStatus() string {
+	return r.Status
+}