diff --git a/core/edr-core/src/main/java/org/eclipse/tractusx/edc/edr/core/lock/InMemoryEdrLock.java b/core/edr-core/src/main/java/org/eclipse/tractusx/edc/edr/core/lock/InMemoryEdrLock.java
index 774833f26..75d6a2ac1 100644
--- a/core/edr-core/src/main/java/org/eclipse/tractusx/edc/edr/core/lock/InMemoryEdrLock.java
+++ b/core/edr-core/src/main/java/org/eclipse/tractusx/edc/edr/core/lock/InMemoryEdrLock.java
@@ -20,19 +20,16 @@
 package org.eclipse.tractusx.edc.edr.core.lock;
 
 import org.eclipse.edc.edr.spi.store.EndpointDataReferenceEntryIndex;
-import org.eclipse.edc.edr.spi.types.EndpointDataReferenceEntry;
 import org.eclipse.edc.spi.result.StoreResult;
 import org.eclipse.edc.spi.types.domain.DataAddress;
 import org.eclipse.edc.transaction.spi.TransactionContext;
 import org.eclipse.tractusx.edc.edr.spi.index.lock.EndpointDataReferenceLock;
 
-import java.time.Instant;
 import java.util.HashSet;
 import java.util.Set;
 import java.util.concurrent.locks.ReentrantReadWriteLock;
 
 import static java.lang.Thread.sleep;
-import static org.eclipse.tractusx.edc.edr.spi.CoreConstants.EDR_PROPERTY_EXPIRES_IN;
 
 public class InMemoryEdrLock implements EndpointDataReferenceLock {
 
@@ -84,19 +81,6 @@ public StoreResult<Boolean> acquireLock(String edrId, DataAddress edr) {
         }
     }
 
-    @Override
-    public boolean isExpired(DataAddress edr, EndpointDataReferenceEntry metadata) {
-        var expiresInString = edr.getStringProperty(EDR_PROPERTY_EXPIRES_IN);
-        if (expiresInString == null) {
-            return false;
-        }
-        var expiresIn = Long.parseLong(expiresInString);
-        var expiresAt = metadata.getCreatedAt() / 1000L + expiresIn;
-        var expiresAtInstant = Instant.ofEpochSecond(expiresAt);
-
-        return expiresAtInstant.isBefore(Instant.now());
-    }
-
     @Override
     public void releaseLock(String edrId) {
         lockedEdrs.remove(edrId);
diff --git a/edc-extensions/edr/edr-index-lock-sql/src/main/java/org/eclipse/tractusx/edc/edr/index/sql/lock/SqlEdrLock.java b/edc-extensions/edr/edr-index-lock-sql/src/main/java/org/eclipse/tractusx/edc/edr/index/sql/lock/SqlEdrLock.java
index abb90b731..efa044815 100644
--- a/edc-extensions/edr/edr-index-lock-sql/src/main/java/org/eclipse/tractusx/edc/edr/index/sql/lock/SqlEdrLock.java
+++ b/edc-extensions/edr/edr-index-lock-sql/src/main/java/org/eclipse/tractusx/edc/edr/index/sql/lock/SqlEdrLock.java
@@ -32,9 +32,6 @@
 
 import java.sql.ResultSet;
 import java.sql.SQLException;
-import java.time.Instant;
-
-import static org.eclipse.tractusx.edc.edr.spi.CoreConstants.EDR_PROPERTY_EXPIRES_IN;
 
 public class SqlEdrLock extends AbstractSqlStore implements EndpointDataReferenceLock {
     private final EdrLockStatements statements;
@@ -63,21 +60,6 @@ public StoreResult<Boolean> acquireLock(String edrId, DataAddress edr) {
         });
     }
 
-    @Override
-    public boolean isExpired(DataAddress edr, EndpointDataReferenceEntry metadata) {
-        var expiresInString = edr.getStringProperty(EDR_PROPERTY_EXPIRES_IN);
-        if (expiresInString == null) {
-            return false;
-        }
-
-        var expiresIn = Long.parseLong(expiresInString);
-        // createdAt is in millis, expires-in is in seconds
-        var expiresAt = metadata.getCreatedAt() / 1000L + expiresIn;
-        var expiresAtInstant = Instant.ofEpochSecond(expiresAt);
-
-        return expiresAtInstant.isBefore(Instant.now());
-    }
-
     @Override
     public void releaseLock(String edrId) {
         // do nothing since the lock is implicitly released by the row update.
diff --git a/spi/edr-spi/src/main/java/org/eclipse/tractusx/edc/edr/spi/index/lock/EndpointDataReferenceLock.java b/spi/edr-spi/src/main/java/org/eclipse/tractusx/edc/edr/spi/index/lock/EndpointDataReferenceLock.java
index f75850f85..a4a1bed7b 100644
--- a/spi/edr-spi/src/main/java/org/eclipse/tractusx/edc/edr/spi/index/lock/EndpointDataReferenceLock.java
+++ b/spi/edr-spi/src/main/java/org/eclipse/tractusx/edc/edr/spi/index/lock/EndpointDataReferenceLock.java
@@ -23,10 +23,24 @@
 import org.eclipse.edc.spi.result.StoreResult;
 import org.eclipse.edc.spi.types.domain.DataAddress;
 
+import java.time.Instant;
+
+import static org.eclipse.tractusx.edc.edr.spi.CoreConstants.EDR_PROPERTY_EXPIRES_IN;
+
 public interface EndpointDataReferenceLock {
     StoreResult<Boolean> acquireLock(String edrId, DataAddress edr);
 
-    boolean isExpired(DataAddress edr, EndpointDataReferenceEntry edrEntry);
-
     void releaseLock(String edrId);
+
+    default boolean isExpired(DataAddress edr, EndpointDataReferenceEntry edrEntry)  {
+        var expiresInString = edr.getStringProperty(EDR_PROPERTY_EXPIRES_IN);
+        if (expiresInString == null) {
+            return false;
+        }
+        var expiresIn = Long.parseLong(expiresInString);
+        var expiresAt = edrEntry.getCreatedAt() / 1000L + expiresIn;
+        var expiresAtInstant = Instant.ofEpochSecond(expiresAt);
+
+        return expiresAtInstant.isBefore(Instant.now());
+    }
 }