diff --git a/modules/core/src/main/scala/playground/QueryCompilerVisitor.scala b/modules/core/src/main/scala/playground/QueryCompilerVisitor.scala
index b887bcc9..f3e0b9d2 100644
--- a/modules/core/src/main/scala/playground/QueryCompilerVisitor.scala
+++ b/modules/core/src/main/scala/playground/QueryCompilerVisitor.scala
@@ -264,7 +264,7 @@ object QueryCompilerVisitorInternal extends SchemaVisitor[QueryCompiler] {
         val remainingValidFields = validFields -- presentKeys.map(_.value.text).toSet
 
         val extraFieldErrors: QueryCompiler.Result[Unit] = presentKeys
-          .filterNot(field => validFields.contains_(field.value.text))
+          .filterNot(field => validFields.keySet.contains_(field.value.text))
           .map { unexpectedKey =>
             CompilationError.error(
               UnexpectedField(remainingValidFields.keys.toList),
diff --git a/modules/lsp/src/main/scala/playground/lsp/ServerBuilder.scala b/modules/lsp/src/main/scala/playground/lsp/ServerBuilder.scala
index 54ac01f0..fa6a8513 100644
--- a/modules/lsp/src/main/scala/playground/lsp/ServerBuilder.scala
+++ b/modules/lsp/src/main/scala/playground/lsp/ServerBuilder.scala
@@ -21,8 +21,6 @@ import playground.std.StdlibRuntime
 import smithy4s.aws.AwsEnvironment
 import smithy4s.aws.kernel.AwsRegion
 
-import scala.concurrent.duration._
-
 trait ServerBuilder[F[_]] {
 
   def build(