diff --git a/atlasdb-config/src/main/java/com/palantir/atlasdb/factory/TransactionManagers.java b/atlasdb-config/src/main/java/com/palantir/atlasdb/factory/TransactionManagers.java
index 8f4d1a58cc8..25e42a91ab4 100644
--- a/atlasdb-config/src/main/java/com/palantir/atlasdb/factory/TransactionManagers.java
+++ b/atlasdb-config/src/main/java/com/palantir/atlasdb/factory/TransactionManagers.java
@@ -155,15 +155,6 @@
 @Value.Immutable
 @StagedBuilderStyle
 public abstract class TransactionManagers {
-    static {
-        int javaVersion = Runtime.version().feature();
-        Preconditions.checkState(
-                javaVersion != 21,
-                "We are currently investigating an issue with AtlasDB running under Java 21 (PDS-417767)."
-                        + " Please use a JDK version < 21",
-                SafeArg.of("javaVersion", javaVersion));
-    }
-
     private static final SafeLogger log = SafeLoggerFactory.get(TransactionManagers.class);
     public static final LockClient LOCK_CLIENT = LockClient.of("atlas instance");
 
diff --git a/changelog/@unreleased/pr-6805.v2.yml b/changelog/@unreleased/pr-6805.v2.yml
new file mode 100644
index 00000000000..700e4be30e4
--- /dev/null
+++ b/changelog/@unreleased/pr-6805.v2.yml
@@ -0,0 +1,5 @@
+type: improvement
+improvement:
+  description: Allow Atlasdb code to execute on JDK-21 to unblock testing
+  links:
+  - https://github.com/palantir/atlasdb/pull/6805