diff --git a/project-management/src/main/java/life/qbic/projectmanagement/domain/model/OntologyTerm.java b/project-management/src/main/java/life/qbic/projectmanagement/domain/model/OntologyTerm.java
index 922b57f5b..f85b345fb 100644
--- a/project-management/src/main/java/life/qbic/projectmanagement/domain/model/OntologyTerm.java
+++ b/project-management/src/main/java/life/qbic/projectmanagement/domain/model/OntologyTerm.java
@@ -137,47 +137,20 @@ public String formatted() {
   }
 
   @Override
-  public boolean equals(Object object) {
-    if (this == object) {
+  public boolean equals(Object other) {
+    if (this == other) {
       return true;
     }
-    if (object == null || getClass() != object.getClass()) {
-      return false;
-    }
-
-    OntologyTerm that = (OntologyTerm) object;
-
-    if (!Objects.equals(ontologyAbbreviation, that.ontologyAbbreviation)) {
-      return false;
-    }
-    if (!Objects.equals(ontologyVersion, that.ontologyVersion)) {
-      return false;
-    }
-    if (!Objects.equals(ontologyIri, that.ontologyIri)) {
-      return false;
-    }
-    if (!Objects.equals(classLabel, that.classLabel)) {
-      return false;
-    }
-    if (!Objects.equals(oboId, that.oboId)) {
-      return false;
-    }
-    if (!Objects.equals(description, that.description)) {
+    if (other == null || getClass() != other.getClass()) {
       return false;
     }
+    OntologyTerm that = (OntologyTerm) other;
     return Objects.equals(classIri, that.classIri);
   }
 
   @Override
   public int hashCode() {
-    int result = ontologyAbbreviation != null ? ontologyAbbreviation.hashCode() : 0;
-    result = 31 * result + (ontologyVersion != null ? ontologyVersion.hashCode() : 0);
-    result = 31 * result + (ontologyIri != null ? ontologyIri.hashCode() : 0);
-    result = 31 * result + (classLabel != null ? classLabel.hashCode() : 0);
-    result = 31 * result + (oboId != null ? oboId.hashCode() : 0);
-    result = 31 * result + (description != null ? description.hashCode() : 0);
-    result = 31 * result + (classIri != null ? classIri.hashCode() : 0);
-    return result;
+    return Objects.hashCode(classIri);
   }
 
   @Override
diff --git a/user-interface/src/main/bundles/dev.bundle b/user-interface/src/main/bundles/dev.bundle
index 88973dba1..606027cea 100644
Binary files a/user-interface/src/main/bundles/dev.bundle and b/user-interface/src/main/bundles/dev.bundle differ
diff --git a/user-interface/src/main/java/life/qbic/datamanager/views/projects/project/info/ProjectSummaryComponent.java b/user-interface/src/main/java/life/qbic/datamanager/views/projects/project/info/ProjectSummaryComponent.java
index 4155d9e83..4beb0c251 100644
--- a/user-interface/src/main/java/life/qbic/datamanager/views/projects/project/info/ProjectSummaryComponent.java
+++ b/user-interface/src/main/java/life/qbic/datamanager/views/projects/project/info/ProjectSummaryComponent.java
@@ -452,15 +452,15 @@ private OntologyTermDisplay convert(OntologyTerm ontologyTerm) {
   }
 
   private List<OntologyTerm> extractSpecies(List<Experiment> experiments) {
-    return experiments.stream().flatMap(experiment -> experiment.getSpecies().stream()).toList();
+    return experiments.stream().flatMap(experiment -> experiment.getSpecies().stream()).distinct().toList();
   }
 
   private List<OntologyTerm> extractSpecimen(List<Experiment> experiments) {
-    return experiments.stream().flatMap(experiment -> experiment.getSpecimens().stream()).toList();
+    return experiments.stream().flatMap(experiment -> experiment.getSpecimens().stream()).distinct().toList();
   }
 
   private List<OntologyTerm> extractAnalyte(List<Experiment> experiments) {
-    return experiments.stream().flatMap(experiment -> experiment.getAnalytes().stream()).toList();
+    return experiments.stream().flatMap(experiment -> experiment.getAnalytes().stream()).distinct().toList();
   }
 
   private void buildDesignSection(ProjectOverview projectInformation, Project project) {