diff --git a/CHANGELOG.md b/CHANGELOG.md
index 37ac5ee8f7..b74d53da91 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -13,6 +13,8 @@ _**For better traceability add the corresponding GitHub issue number in each cha
 - Improved policy store API input validation. #528
 - Extended datamodel of EdcPolicyPermissionConstraint to include andConstraints
 - Marked createAccessPolicy requests with deprecation mark.
+- remove edc namespace from EdcContractAgreementNegotiationResponse and
+  EdcContractAgreementsResponse eclipse-tractusx/traceability-foss#963
 
 
 ## Added
diff --git a/irs-edc-client/src/main/java/org/eclipse/tractusx/irs/edc/client/contract/model/EdcContractAgreementNegotiationResponse.java b/irs-edc-client/src/main/java/org/eclipse/tractusx/irs/edc/client/contract/model/EdcContractAgreementNegotiationResponse.java
index e16d2e9836..76a6481dae 100644
--- a/irs-edc-client/src/main/java/org/eclipse/tractusx/irs/edc/client/contract/model/EdcContractAgreementNegotiationResponse.java
+++ b/irs-edc-client/src/main/java/org/eclipse/tractusx/irs/edc/client/contract/model/EdcContractAgreementNegotiationResponse.java
@@ -31,10 +31,10 @@
 @Builder
 @JsonIgnoreProperties(ignoreUnknown = true)
 public record EdcContractAgreementNegotiationResponse(@JsonProperty("@id") String correlationId,
-                                                      @JsonProperty("edc:counterPartyId") String counterPartyId,
+                                                      @JsonProperty("counterPartyId") String counterPartyId,
                                                       @JsonProperty(
-                                                              "edc:counterPartyAddress") String counterPartyAddress,
-                                                      @JsonProperty("edc:protocol") String protocol,
-                                                      @JsonProperty("edc:state") String state,
-                                                      @JsonProperty("edc:type") String type) {
+                                                              "counterPartyAddress") String counterPartyAddress,
+                                                      @JsonProperty("protocol") String protocol,
+                                                      @JsonProperty("state") String state,
+                                                      @JsonProperty("type") String type) {
 }
diff --git a/irs-edc-client/src/main/java/org/eclipse/tractusx/irs/edc/client/contract/model/EdcContractAgreementsResponse.java b/irs-edc-client/src/main/java/org/eclipse/tractusx/irs/edc/client/contract/model/EdcContractAgreementsResponse.java
index 0f31f088eb..d3397f1eb4 100644
--- a/irs-edc-client/src/main/java/org/eclipse/tractusx/irs/edc/client/contract/model/EdcContractAgreementsResponse.java
+++ b/irs-edc-client/src/main/java/org/eclipse/tractusx/irs/edc/client/contract/model/EdcContractAgreementsResponse.java
@@ -32,10 +32,10 @@
 @Builder
 @JsonIgnoreProperties(ignoreUnknown = true)
 public record EdcContractAgreementsResponse(@JsonProperty("@id") String contractAgreementId,
-                                            @JsonProperty("edc:providerId") String providerId,
-                                            @JsonProperty("edc:consumerId") String consumerId,
-                                            @JsonProperty("edc:contractSigningDate") long contractSigningDate,
-                                            @JsonProperty("edc:assetId") String assetId,
+                                            @JsonProperty("providerId") String providerId,
+                                            @JsonProperty("consumerId") String consumerId,
+                                            @JsonProperty("contractSigningDate") long contractSigningDate,
+                                            @JsonProperty("assetId") String assetId,
                                             @JsonProperty("@type") String type,
-                                            @JsonProperty("edc:policy") Object policy) {
+                                            @JsonProperty("policy") Object policy) {
 }