diff --git a/radar-commons/src/main/java/org/radarbase/producer/schema/SchemaRestClient.kt b/radar-commons/src/main/java/org/radarbase/producer/schema/SchemaRestClient.kt
index 1e85dab0..59fa1d11 100644
--- a/radar-commons/src/main/java/org/radarbase/producer/schema/SchemaRestClient.kt
+++ b/radar-commons/src/main/java/org/radarbase/producer/schema/SchemaRestClient.kt
@@ -2,10 +2,13 @@ package org.radarbase.producer.schema
 
 import io.ktor.client.HttpClient
 import io.ktor.client.call.body
-import io.ktor.client.plugins.auth.*
-import io.ktor.client.plugins.auth.providers.*
 import io.ktor.client.plugins.contentnegotiation.ContentNegotiation
-import io.ktor.client.request.*
+import io.ktor.client.plugins.defaultRequest
+import io.ktor.client.request.HttpRequestBuilder
+import io.ktor.client.request.accept
+import io.ktor.client.request.request
+import io.ktor.client.request.setBody
+import io.ktor.client.request.url
 import io.ktor.http.ContentType
 import io.ktor.http.HttpMethod
 import io.ktor.http.contentType
@@ -18,15 +21,13 @@ import kotlinx.coroutines.withContext
 import kotlinx.serialization.json.Json
 import org.apache.avro.Schema
 import org.radarbase.producer.rest.RestException.Companion.toRestException
-import org.slf4j.LoggerFactory
 import java.io.IOException
-import java.net.URI
 import kotlin.coroutines.CoroutineContext
 
 /** REST client for Confluent schema registry.  */
 class SchemaRestClient(
     httpClient: HttpClient,
-    private val baseUrl: String,
+    baseUrl: String,
     private val ioContext: CoroutineContext = Dispatchers.IO,
 ) {
     private val httpClient: HttpClient = httpClient.config {
@@ -38,6 +39,10 @@ class SchemaRestClient(
                 },
             )
         }
+        defaultRequest {
+            url(baseUrl)
+            accept(ContentType.Application.Json)
+        }
     }
 
     suspend inline fun <reified T> request(
@@ -83,7 +88,7 @@ class SchemaRestClient(
     @Throws(IOException::class)
     suspend fun schemaGet(path: String): SchemaMetadata = request {
         method = HttpMethod.Get
-        url(URI(baseUrl).resolve(path).toString())
+        url(path)
     }
 
     @Throws(IOException::class)
@@ -92,7 +97,7 @@ class SchemaRestClient(
         schema: Schema,
     ): SchemaMetadata = request {
         method = HttpMethod.Post
-        url(URI(baseUrl).resolve(path).toString())
+        url(path)
         contentType(ContentType.Application.Json)
         setBody(SchemaMetadata(schema = schema.toString()))
     }
@@ -127,8 +132,4 @@ class SchemaRestClient(
         schemaGet("/schemas/ids/$id")
             .toParsedSchemaMetadata(id)
             .schema
-
-    companion object {
-        private val logger = LoggerFactory.getLogger(SchemaRestClient::class.java)
-    }
 }
diff --git a/radar-commons/src/main/java/org/radarbase/producer/schema/SchemaRetriever.kt b/radar-commons/src/main/java/org/radarbase/producer/schema/SchemaRetriever.kt
index 82824b2c..29d792b2 100644
--- a/radar-commons/src/main/java/org/radarbase/producer/schema/SchemaRetriever.kt
+++ b/radar-commons/src/main/java/org/radarbase/producer/schema/SchemaRetriever.kt
@@ -205,8 +205,8 @@ open class SchemaRetriever(config: Config) {
     @RadarProducerDsl
     class Config(
         val baseUrl: String,
-        var httpClient: HttpClient? = null,
     ) {
+        var httpClient: HttpClient? = null
         var schemaTimeout: CacheConfig = DEFAULT_SCHEMA_TIMEOUT_CONFIG
         var ioContext: CoroutineContext = Dispatchers.IO
         fun httpClient(config: HttpClientConfig<*>.() -> Unit) {