diff --git a/ApplicationLibCode/Commands/RicElasticPropertiesImportTools.cpp b/ApplicationLibCode/Commands/RicElasticPropertiesImportTools.cpp
index a8b71fad14..e433a40253 100644
--- a/ApplicationLibCode/Commands/RicElasticPropertiesImportTools.cpp
+++ b/ApplicationLibCode/Commands/RicElasticPropertiesImportTools.cpp
@@ -87,6 +87,11 @@ void RicElasticPropertiesImportTools::importElasticPropertiesFromFile( const QSt
 
     RimElasticProperties* rimElasticProperties = stimPlanModelTemplate->elasticProperties();
     if ( !rimElasticProperties ) rimElasticProperties = new RimElasticProperties;
+
+    // Clear the properties to avoid keeping data which has been deleted
+    // from the file since the last import.
+    rimElasticProperties->clearProperties();
+
     for ( FaciesKey key : faciesKeys )
     {
         std::vector<RifElasticProperties> matchingFacies;
diff --git a/ApplicationLibCode/ProjectDataModel/StimPlanModel/RimElasticProperties.cpp b/ApplicationLibCode/ProjectDataModel/StimPlanModel/RimElasticProperties.cpp
index 4fb5010481..666bb57a11 100644
--- a/ApplicationLibCode/ProjectDataModel/StimPlanModel/RimElasticProperties.cpp
+++ b/ApplicationLibCode/ProjectDataModel/StimPlanModel/RimElasticProperties.cpp
@@ -108,6 +108,14 @@ const RigElasticProperties& RimElasticProperties::propertiesForFacies( FaciesKey
     return m_properties.find( key )->second;
 }
 
+//--------------------------------------------------------------------------------------------------
+///
+//--------------------------------------------------------------------------------------------------
+void RimElasticProperties::clearProperties()
+{
+    m_properties.clear();
+}
+
 //--------------------------------------------------------------------------------------------------
 ///
 //--------------------------------------------------------------------------------------------------
diff --git a/ApplicationLibCode/ProjectDataModel/StimPlanModel/RimElasticProperties.h b/ApplicationLibCode/ProjectDataModel/StimPlanModel/RimElasticProperties.h
index bb9a820c8d..12721b5983 100644
--- a/ApplicationLibCode/ProjectDataModel/StimPlanModel/RimElasticProperties.h
+++ b/ApplicationLibCode/ProjectDataModel/StimPlanModel/RimElasticProperties.h
@@ -52,6 +52,7 @@ public:
     void                        setPropertiesForFacies( FaciesKey& key, const RigElasticProperties& properties );
     bool                        hasPropertiesForFacies( FaciesKey& key ) const;
     const RigElasticProperties& propertiesForFacies( FaciesKey& key ) const;
+    void                        clearProperties();
 
     void loadDataAndUpdate();