diff --git a/acme4j-client/src/main/java/org/shredzone/acme4j/AccountBuilder.java b/acme4j-client/src/main/java/org/shredzone/acme4j/AccountBuilder.java
index 2db922bc..ea60218a 100644
--- a/acme4j-client/src/main/java/org/shredzone/acme4j/AccountBuilder.java
+++ b/acme4j-client/src/main/java/org/shredzone/acme4j/AccountBuilder.java
@@ -182,9 +182,6 @@ public class AccountBuilder {
             URL location = conn.getLocation();
 
             Account account = new Account(session, location);
-            if (keyIdentifier != null) {
-                session.setKeyIdentifier(keyIdentifier);
-            }
 
             if (resp == HttpURLConnection.HTTP_CREATED) {
                 account.setJSON(conn.readJsonResponse());
diff --git a/acme4j-client/src/test/java/org/shredzone/acme4j/AccountBuilderTest.java b/acme4j-client/src/test/java/org/shredzone/acme4j/AccountBuilderTest.java
index ceebd4dc..ba2a8058 100644
--- a/acme4j-client/src/test/java/org/shredzone/acme4j/AccountBuilderTest.java
+++ b/acme4j-client/src/test/java/org/shredzone/acme4j/AccountBuilderTest.java
@@ -179,7 +179,6 @@ public class AccountBuilderTest {
         Account account = builder.create(session);
 
         assertThat(account.getLocation(), is(locationUrl));
-        assertThat(session.getKeyIdentifier(), is(keyIdentifier));
 
         provider.close();
     }