diff --git a/deploy/helm/nifi-operator/crds/crds.yaml b/deploy/helm/nifi-operator/crds/crds.yaml
index 5bba05e1..eefaeb80 100644
--- a/deploy/helm/nifi-operator/crds/crds.yaml
+++ b/deploy/helm/nifi-operator/crds/crds.yaml
@@ -656,24 +656,27 @@ spec:
                       description: '`envOverrides` configure environment variables to be set in the Pods. It is a map from strings to strings - environment variables and the value to set. Read the [environment variable overrides documentation](https://docs.stackable.tech/home/nightly/concepts/overrides#env-overrides) for more information and consult the operator specific usage guide to find out about the product specific environment variables that are available.'
                       type: object
                     jvmArgumentOverrides:
-                      additionalProperties:
-                        oneOf:
-                          - required:
-                              - argument
-                          - required:
-                              - flag
-                          - required:
-                              - remove
-                        properties:
-                          argument:
-                            type: string
-                          flag:
-                            type: object
-                          remove:
-                            type: object
-                        type: object
-                      default: {}
+                      default:
+                        add: []
+                        remove: []
+                        removeRegex: []
                       description: Allows overriding JVM arguments.
+                      properties:
+                        add:
+                          default: []
+                          items:
+                            type: string
+                          type: array
+                        remove:
+                          default: []
+                          items:
+                            type: string
+                          type: array
+                        removeRegex:
+                          default: []
+                          items:
+                            type: string
+                          type: array
                       type: object
                     podOverrides:
                       default: {}
@@ -1137,24 +1140,27 @@ spec:
                             description: '`envOverrides` configure environment variables to be set in the Pods. It is a map from strings to strings - environment variables and the value to set. Read the [environment variable overrides documentation](https://docs.stackable.tech/home/nightly/concepts/overrides#env-overrides) for more information and consult the operator specific usage guide to find out about the product specific environment variables that are available.'
                             type: object
                           jvmArgumentOverrides:
-                            additionalProperties:
-                              oneOf:
-                                - required:
-                                    - argument
-                                - required:
-                                    - flag
-                                - required:
-                                    - remove
-                              properties:
-                                argument:
-                                  type: string
-                                flag:
-                                  type: object
-                                remove:
-                                  type: object
-                              type: object
-                            default: {}
+                            default:
+                              add: []
+                              remove: []
+                              removeRegex: []
                             description: Allows overriding JVM arguments.
+                            properties:
+                              add:
+                                default: []
+                                items:
+                                  type: string
+                                type: array
+                              remove:
+                                default: []
+                                items:
+                                  type: string
+                                type: array
+                              removeRegex:
+                                default: []
+                                items:
+                                  type: string
+                                type: array
                             type: object
                           podOverrides:
                             default: {}
diff --git a/rust/operator-binary/src/config.rs b/rust/operator-binary/src/config.rs
index 685d6964..d92062da 100644
--- a/rust/operator-binary/src/config.rs
+++ b/rust/operator-binary/src/config.rs
@@ -179,9 +179,8 @@ pub fn build_bootstrap_conf(
         jvm_argument_overrides: JvmArgumentOverrides::new_with_only_additions(jvm_args),
     };
 
-    // Please note that merge order is different than we normally do!
-    // This is not trivial, as the merge operation is not purely additive (as it is with e.g.
-    // PodTemplateSpec).
+    // Please note that the merge order is different than we normally do!
+    // This is not trivial, as the merge operation is not purely additive (as it is with e.g. `PodTemplateSpec).
     let mut role = role_java_common_config.clone();
     role.merge(&operator_generated);
     let mut role_group = role_group_java_common_config.clone();
@@ -764,21 +763,7 @@ mod tests {
               default:
                 replicas: 1
         "#;
-        let nifi: NifiCluster = serde_yaml::from_str(input).expect("illegal test input");
-
-        let role = NifiRole::Node;
-        let merged_config = nifi.merged_config(&role, "default").unwrap();
-        let nodes = nifi.spec.nodes.unwrap();
-        let (role_java_common_config, role_group_java_common_config) = nodes
-            .merged_product_specific_common_configs("default")
-            .unwrap();
-        let bootstrap_conf = build_bootstrap_conf(
-            &merged_config,
-            BTreeMap::new(),
-            role_java_common_config,
-            role_group_java_common_config,
-        )
-        .unwrap();
+        let bootstrap_conf = construct_bootstrap_conf(input);
 
         assert_eq!(
             bootstrap_conf,
@@ -846,25 +831,7 @@ mod tests {
                     - -Xmx40000m
                     - -Dhttps.proxyPort=1234
         "#;
-        let nifi: NifiCluster = serde_yaml::from_str(input).expect("illegal test input");
-
-        let role = NifiRole::Node;
-        let merged_config = nifi.merged_config(&role, "default").unwrap();
-        let nodes = nifi.spec.nodes.unwrap();
-        let (role_java_common_config, role_group_java_common_config) = nodes
-            .merged_product_specific_common_configs("default")
-            .unwrap();
-
-        dbg!(&role_java_common_config);
-        dbg!(&role_group_java_common_config);
-
-        let bootstrap_conf = build_bootstrap_conf(
-            &merged_config,
-            BTreeMap::new(),
-            role_java_common_config,
-            role_group_java_common_config,
-        )
-        .unwrap();
+        let bootstrap_conf = construct_bootstrap_conf(input);
 
         assert_eq!(
             bootstrap_conf,
@@ -892,4 +859,23 @@ mod tests {
             "}
         );
     }
+
+    fn construct_bootstrap_conf(nifi_cluster: &str) -> String {
+        let nifi: NifiCluster = serde_yaml::from_str(nifi_cluster).expect("illegal test input");
+
+        let role = NifiRole::Node;
+        let merged_config = nifi.merged_config(&role, "default").unwrap();
+        let nodes = nifi.spec.nodes.unwrap();
+        let (role_java_common_config, role_group_java_common_config) = nodes
+            .merged_product_specific_common_configs("default")
+            .unwrap();
+
+        build_bootstrap_conf(
+            &merged_config,
+            BTreeMap::new(),
+            role_java_common_config,
+            role_group_java_common_config,
+        )
+        .unwrap()
+    }
 }