diff --git a/build.sbt b/build.sbt
index 741c048c..425bab03 100644
--- a/build.sbt
+++ b/build.sbt
@@ -13,7 +13,7 @@ ThisBuild / tlSiteApiUrl := Some(url("https://www.javadoc.io/doc/org.typelevel/k
 lazy val root = tlCrossRootProject.aggregate(core)
 
 lazy val core = crossProject(JVMPlatform, JSPlatform)
-  .crossType(CrossType.Pure)
+  .crossType(CrossType.Full)
   .in(file("core"))
   .settings(commonSettings)
   .settings(
diff --git a/core/.jvm/src/test/scala/org/typelevel/keypool/PoolMetricsSpec.scala b/core/jvm/src/test/scala/org/typelevel/keypool/PoolMetricsSpec.scala
similarity index 100%
rename from core/.jvm/src/test/scala/org/typelevel/keypool/PoolMetricsSpec.scala
rename to core/jvm/src/test/scala/org/typelevel/keypool/PoolMetricsSpec.scala
diff --git a/core/src/main/scala/org/typelevel/keypool/KeyPool.scala b/core/shared/src/main/scala/org/typelevel/keypool/KeyPool.scala
similarity index 100%
rename from core/src/main/scala/org/typelevel/keypool/KeyPool.scala
rename to core/shared/src/main/scala/org/typelevel/keypool/KeyPool.scala
diff --git a/core/src/main/scala/org/typelevel/keypool/KeyPoolBuilder.scala b/core/shared/src/main/scala/org/typelevel/keypool/KeyPoolBuilder.scala
similarity index 100%
rename from core/src/main/scala/org/typelevel/keypool/KeyPoolBuilder.scala
rename to core/shared/src/main/scala/org/typelevel/keypool/KeyPoolBuilder.scala
diff --git a/core/src/main/scala/org/typelevel/keypool/Managed.scala b/core/shared/src/main/scala/org/typelevel/keypool/Managed.scala
similarity index 100%
rename from core/src/main/scala/org/typelevel/keypool/Managed.scala
rename to core/shared/src/main/scala/org/typelevel/keypool/Managed.scala
diff --git a/core/src/main/scala/org/typelevel/keypool/Pool.scala b/core/shared/src/main/scala/org/typelevel/keypool/Pool.scala
similarity index 100%
rename from core/src/main/scala/org/typelevel/keypool/Pool.scala
rename to core/shared/src/main/scala/org/typelevel/keypool/Pool.scala
diff --git a/core/src/main/scala/org/typelevel/keypool/PoolStats.scala b/core/shared/src/main/scala/org/typelevel/keypool/PoolStats.scala
similarity index 100%
rename from core/src/main/scala/org/typelevel/keypool/PoolStats.scala
rename to core/shared/src/main/scala/org/typelevel/keypool/PoolStats.scala
diff --git a/core/src/main/scala/org/typelevel/keypool/Reusable.scala b/core/shared/src/main/scala/org/typelevel/keypool/Reusable.scala
similarity index 100%
rename from core/src/main/scala/org/typelevel/keypool/Reusable.scala
rename to core/shared/src/main/scala/org/typelevel/keypool/Reusable.scala
diff --git a/core/src/main/scala/org/typelevel/keypool/internal/Metrics.scala b/core/shared/src/main/scala/org/typelevel/keypool/internal/Metrics.scala
similarity index 100%
rename from core/src/main/scala/org/typelevel/keypool/internal/Metrics.scala
rename to core/shared/src/main/scala/org/typelevel/keypool/internal/Metrics.scala
diff --git a/core/src/main/scala/org/typelevel/keypool/internal/PoolList.scala b/core/shared/src/main/scala/org/typelevel/keypool/internal/PoolList.scala
similarity index 100%
rename from core/src/main/scala/org/typelevel/keypool/internal/PoolList.scala
rename to core/shared/src/main/scala/org/typelevel/keypool/internal/PoolList.scala
diff --git a/core/src/main/scala/org/typelevel/keypool/internal/PoolMap.scala b/core/shared/src/main/scala/org/typelevel/keypool/internal/PoolMap.scala
similarity index 100%
rename from core/src/main/scala/org/typelevel/keypool/internal/PoolMap.scala
rename to core/shared/src/main/scala/org/typelevel/keypool/internal/PoolMap.scala
diff --git a/core/src/test/scala/org/typelevel/keypool/KeyPoolSpec.scala b/core/shared/src/test/scala/org/typelevel/keypool/KeyPoolSpec.scala
similarity index 100%
rename from core/src/test/scala/org/typelevel/keypool/KeyPoolSpec.scala
rename to core/shared/src/test/scala/org/typelevel/keypool/KeyPoolSpec.scala
diff --git a/core/src/test/scala/org/typelevel/keypool/PoolSpec.scala b/core/shared/src/test/scala/org/typelevel/keypool/PoolSpec.scala
similarity index 100%
rename from core/src/test/scala/org/typelevel/keypool/PoolSpec.scala
rename to core/shared/src/test/scala/org/typelevel/keypool/PoolSpec.scala