diff --git a/form/src/main/java/org/dhis2/form/data/DataEntryRepository.kt b/form/src/main/java/org/dhis2/form/data/DataEntryRepository.kt
index fb0c4be745..a6447cbbfe 100644
--- a/form/src/main/java/org/dhis2/form/data/DataEntryRepository.kt
+++ b/form/src/main/java/org/dhis2/form/data/DataEntryRepository.kt
@@ -1,8 +1,13 @@
 package org.dhis2.form.data
 
+import androidx.paging.PagingData
 import io.reactivex.Flowable
+import kotlinx.coroutines.flow.Flow
+import kotlinx.coroutines.flow.MutableStateFlow
+import org.dhis2.commons.periods.Period
 import org.dhis2.form.model.EventMode
 import org.dhis2.form.model.FieldUiModel
+import org.dhis2.form.model.OptionSetConfiguration
 import org.hisp.dhis.android.core.common.ValidationStrategy
 
 interface DataEntryRepository {
diff --git a/form/src/main/java/org/dhis2/form/data/EnrollmentRepository.kt b/form/src/main/java/org/dhis2/form/data/EnrollmentRepository.kt
index 1cad5159f9..60601276bb 100644
--- a/form/src/main/java/org/dhis2/form/data/EnrollmentRepository.kt
+++ b/form/src/main/java/org/dhis2/form/data/EnrollmentRepository.kt
@@ -1,9 +1,13 @@
 package org.dhis2.form.data
 
+import androidx.paging.PagingData
 import io.reactivex.Flowable
 import io.reactivex.Single
+import kotlinx.coroutines.flow.Flow
+import kotlinx.coroutines.flow.emptyFlow
 import org.dhis2.commons.date.DateUtils
 import org.dhis2.commons.orgunitselector.OrgUnitSelectorScope
+import org.dhis2.commons.periods.Period
 import org.dhis2.commons.resources.MetadataIconProvider
 import org.dhis2.form.data.metadata.EnrollmentConfiguration
 import org.dhis2.form.model.EnrollmentMode
@@ -70,6 +74,8 @@ class EnrollmentRepository(
         }
     }
 
+    override fun fetchPeriods(): Flow<PagingData<Period>> = emptyFlow()
+
     override fun sectionUids(): Flowable<List<String>> {
         val sectionUids = mutableListOf(ENROLLMENT_DATA_SECTION_UID)
         if (programSections.isEmpty()) {