diff --git a/src/main/java/de/fraunhofer/aisec/cpg/frontends/cpp/CXXLanguageFrontend.java b/src/main/java/de/fraunhofer/aisec/cpg/frontends/cpp/CXXLanguageFrontend.java
index 4f1e2bd0e4..5cfe36af01 100644
--- a/src/main/java/de/fraunhofer/aisec/cpg/frontends/cpp/CXXLanguageFrontend.java
+++ b/src/main/java/de/fraunhofer/aisec/cpg/frontends/cpp/CXXLanguageFrontend.java
@@ -372,7 +372,7 @@ public <T> PhysicalLocation getLocationFromRawNode(T astNode) {
   public void processAttributes(@NonNull Node node, @NonNull IASTAttributeOwner owner) {
     if (this.config.processAnnotations) {
       // set attributes
-      node.setAnnotations(handleAttributes(owner));
+      node.addAnnotations(handleAttributes(owner));
     }
   }
 
diff --git a/src/main/java/de/fraunhofer/aisec/cpg/graph/ConstructorDeclaration.java b/src/main/java/de/fraunhofer/aisec/cpg/graph/ConstructorDeclaration.java
index 816a2a126e..7a6efb08bd 100644
--- a/src/main/java/de/fraunhofer/aisec/cpg/graph/ConstructorDeclaration.java
+++ b/src/main/java/de/fraunhofer/aisec/cpg/graph/ConstructorDeclaration.java
@@ -55,7 +55,7 @@ public static ConstructorDeclaration from(MethodDeclaration methodDeclaration) {
     c.setBody(methodDeclaration.getBody());
     c.setLocation(methodDeclaration.getLocation());
     c.setParameters(methodDeclaration.getParameters());
-    c.setAnnotations(methodDeclaration.getAnnotations());
+    c.addAnnotations(methodDeclaration.getAnnotations());
     c.setIsDefinition(methodDeclaration.isDefinition());
 
     if (!c.isDefinition()) {
diff --git a/src/main/java/de/fraunhofer/aisec/cpg/graph/MethodDeclaration.java b/src/main/java/de/fraunhofer/aisec/cpg/graph/MethodDeclaration.java
index 20361ebbd1..f1f8456d08 100644
--- a/src/main/java/de/fraunhofer/aisec/cpg/graph/MethodDeclaration.java
+++ b/src/main/java/de/fraunhofer/aisec/cpg/graph/MethodDeclaration.java
@@ -59,7 +59,7 @@ public static MethodDeclaration from(
     md.setParameters(functionDeclaration.getParameters());
     md.setBody(functionDeclaration.getBody());
     md.setType(functionDeclaration.getType());
-    md.setAnnotations(functionDeclaration.getAnnotations());
+    md.addAnnotations(functionDeclaration.getAnnotations());
     md.setRecordDeclaration(recordDeclaration);
     md.setIsDefinition(functionDeclaration.isDefinition());
 
@@ -80,6 +80,7 @@ public void setStatic(boolean isStatic) {
     this.isStatic = isStatic;
   }
 
+  @Nullable
   public RecordDeclaration getRecordDeclaration() {
     return recordDeclaration;
   }
diff --git a/src/main/java/de/fraunhofer/aisec/cpg/graph/Node.java b/src/main/java/de/fraunhofer/aisec/cpg/graph/Node.java
index 21cf2a0875..e468976451 100644
--- a/src/main/java/de/fraunhofer/aisec/cpg/graph/Node.java
+++ b/src/main/java/de/fraunhofer/aisec/cpg/graph/Node.java
@@ -29,11 +29,7 @@
 import de.fraunhofer.aisec.cpg.helpers.LocationConverter;
 import de.fraunhofer.aisec.cpg.processing.IVisitable;
 import de.fraunhofer.aisec.cpg.sarif.PhysicalLocation;
-import java.util.ArrayList;
-import java.util.HashSet;
-import java.util.List;
-import java.util.Objects;
-import java.util.Set;
+import java.util.*;
 import org.apache.commons.lang3.builder.ToStringBuilder;
 import org.apache.commons.lang3.builder.ToStringStyle;
 import org.checkerframework.checker.nullness.qual.NonNull;
@@ -96,8 +92,7 @@ public class Node extends IVisitable<Node> {
   @Relationship(value = "DFG")
   protected Set<Node> nextDFG = new HashSet<>();
 
-  @NonNull
-  protected Set<TypedefDeclaration> typedefs = new HashSet<>();
+  @NonNull protected Set<TypedefDeclaration> typedefs = new HashSet<>();
 
   /**
    * If a node is marked as being a dummy, it means that it was created artificially and does not
@@ -272,8 +267,8 @@ public List<Annotation> getAnnotations() {
     return annotations;
   }
 
-  public void setAnnotations(@NonNull List<Annotation> annotations) {
-    this.annotations = annotations;
+  public void addAnnotations(@NonNull Collection<Annotation> annotations) {
+    this.annotations.addAll(annotations);
   }
 
   /**