diff --git a/src/logging/BaseLogger.ts b/src/logging/BaseLogger.ts
index fb91e77b..99a8f9b7 100644
--- a/src/logging/BaseLogger.ts
+++ b/src/logging/BaseLogger.ts
@@ -15,9 +15,12 @@ See the License for the specific language governing permissions and
 limitations under the License.
 */
 
-import {LogItem, LabelOrValues, FilterCreator, LogCallback} from "./LogItem";
-import {LogLevel, LogFilter, LogLevelOrNull} from "./LogFilter";
-import {Platform} from "../platform/web/Platform.js";
+import {LogItem} from "./LogItem";
+import {LogLevel, LogFilter} from "./LogFilter";
+import type {FilterCreator, LabelOrValues, LogCallback} from "./LogItem";
+import type {LogLevelOrNull} from "./LogFilter";
+// todo: should this import be here just for getting the type? should it instead be done when Platform.js --> Platform.ts?
+import type {Platform} from "../platform/web/Platform.js";
 
 
 export abstract class BaseLogger {
diff --git a/src/logging/LogFilter.ts b/src/logging/LogFilter.ts
index f13a6179..476bca0e 100644
--- a/src/logging/LogFilter.ts
+++ b/src/logging/LogFilter.ts
@@ -14,7 +14,7 @@ See the License for the specific language governing permissions and
 limitations under the License.
 */
 
-import {LogItem} from "./LogItem";
+import type {LogItem} from "./LogItem";
 
 export enum LogLevel {
     All = 1,
diff --git a/src/logging/LogItem.ts b/src/logging/LogItem.ts
index 4fdf8ada..2e95813a 100644
--- a/src/logging/LogItem.ts
+++ b/src/logging/LogItem.ts
@@ -15,8 +15,9 @@ See the License for the specific language governing permissions and
 limitations under the License.
 */
 
-import {BaseLogger} from "./BaseLogger";
-import {LogLevel, LogLevelOrNull, LogFilter} from "./LogFilter";
+import {LogLevel, LogFilter} from "./LogFilter";
+import type {LogLevelOrNull} from "./LogFilter";
+import type {BaseLogger} from "./BaseLogger";
 
 type LogItemWithLabel = {
     l: string;