diff --git a/src/main/java/de/avalax/fitbuddy/presentation/edit/set/SetBindingAdapter.java b/src/main/java/de/avalax/fitbuddy/presentation/edit/set/SetBindingAdapter.java
index f07f13a0..5f8af72d 100644
--- a/src/main/java/de/avalax/fitbuddy/presentation/edit/set/SetBindingAdapter.java
+++ b/src/main/java/de/avalax/fitbuddy/presentation/edit/set/SetBindingAdapter.java
@@ -8,7 +8,7 @@
 import de.avalax.fitbuddy.R;
 import de.avalax.fitbuddy.domain.model.set.Set;
 
-public class SetBindingAdapter {
+public abstract class SetBindingAdapter {
     private static DecimalFormat decimalFormat;
 
     static {
diff --git a/src/main/java/de/avalax/fitbuddy/presentation/edit/workout/ExerciseBindingAdapter.java b/src/main/java/de/avalax/fitbuddy/presentation/edit/workout/ExerciseBindingAdapter.java
index fb5d1c2c..1221607a 100644
--- a/src/main/java/de/avalax/fitbuddy/presentation/edit/workout/ExerciseBindingAdapter.java
+++ b/src/main/java/de/avalax/fitbuddy/presentation/edit/workout/ExerciseBindingAdapter.java
@@ -12,7 +12,7 @@
 
 import static android.text.TextUtils.join;
 
-public class ExerciseBindingAdapter {
+public abstract class ExerciseBindingAdapter {
     private static DecimalFormat decimalFormat;
 
     static {