diff --git a/compensation/managers.py b/compensation/managers.py
index c97cd518..61933ee3 100644
--- a/compensation/managers.py
+++ b/compensation/managers.py
@@ -35,7 +35,9 @@ class CompensationManager(models.Manager):
 
     """
     def get_queryset(self):
-        return super().get_queryset().select_related(
+        return super().get_queryset().filter(
+            deleted__isnull=True,
+        ).select_related(
             "modified",
             "intervention",
             "intervention__recorded",
diff --git a/ema/tests.py b/ema/tests.py
deleted file mode 100644
index 7ce503c2..00000000
--- a/ema/tests.py
+++ /dev/null
@@ -1,3 +0,0 @@
-from django.test import TestCase
-
-# Create your tests here.
diff --git a/intervention/forms/modalForms.py b/intervention/forms/modalForms.py
index 84e96126..a069267a 100644
--- a/intervention/forms/modalForms.py
+++ b/intervention/forms/modalForms.py
@@ -345,9 +345,9 @@ class NewDeductionModalForm(BaseModalForm):
             return False
 
         # Calculate valid surface
-        sum_surface = acc.get_surface_after_states()
+        deductable_surface = acc.deductable_surface
         sum_surface_deductions = acc.get_deductions_surface()
-        rest_surface = sum_surface - sum_surface_deductions
+        rest_surface = deductable_surface - sum_surface_deductions
         form_surface = float(self.cleaned_data["surface"])
         is_valid_surface = form_surface < rest_surface
         if not is_valid_surface: