diff --git a/hoplite-core/src/main/kotlin/com/sksamuel/hoplite/ConfigLoaderBuilder.kt b/hoplite-core/src/main/kotlin/com/sksamuel/hoplite/ConfigLoaderBuilder.kt
index 1fe8e723..7f458bb3 100644
--- a/hoplite-core/src/main/kotlin/com/sksamuel/hoplite/ConfigLoaderBuilder.kt
+++ b/hoplite-core/src/main/kotlin/com/sksamuel/hoplite/ConfigLoaderBuilder.kt
@@ -31,6 +31,7 @@ import com.sksamuel.hoplite.sources.EnvironmentVariableOverridePropertySource
 import com.sksamuel.hoplite.sources.SystemPropertiesPropertySource
 import com.sksamuel.hoplite.sources.UserSettingsPropertySource
 import com.sksamuel.hoplite.sources.XdgConfigPropertySource
+import com.sksamuel.hoplite.transformer.PathNormalizer
 import java.util.ServiceLoader
 
 class ConfigLoaderBuilder private constructor() {
@@ -423,7 +424,9 @@ fun defaultPreprocessors(): List<Preprocessor> = listOf(
   LookupPreprocessor,
 )
 
-fun defaultNodeTransformers(): List<NodeTransformer> = emptyList()
+fun defaultNodeTransformers(): List<NodeTransformer> = listOf(
+  PathNormalizer,
+)
 
 fun defaultResolvers(): List<Resolver> = listOf(
   EnvVarContextResolver,
@@ -438,8 +441,6 @@ fun defaultResolvers(): List<Resolver> = listOf(
 fun defaultParamMappers(): List<ParameterMapper> = listOf(
   DefaultParamMapper,
   LowercaseParamMapper,
-  SnakeCaseParamMapper,
-  KebabCaseParamMapper,
   AliasAnnotationParamMapper,
 )
 
diff --git a/hoplite-core/src/main/kotlin/com/sksamuel/hoplite/ParameterMapper.kt b/hoplite-core/src/main/kotlin/com/sksamuel/hoplite/ParameterMapper.kt
index 5ce721d7..6f2f7e86 100644
--- a/hoplite-core/src/main/kotlin/com/sksamuel/hoplite/ParameterMapper.kt
+++ b/hoplite-core/src/main/kotlin/com/sksamuel/hoplite/ParameterMapper.kt
@@ -62,6 +62,8 @@ object AliasAnnotationParamMapper : ParameterMapper {
  * the snake case equivalent.
  *
  * For example, camelCasePilsen will become snake_case_pilsen.
+ *
+ * When using the [PathNormalizer] (which is enabled by default), this mapper is unnecessary.
  */
 object SnakeCaseParamMapper : ParameterMapper {
 
@@ -86,6 +88,8 @@ object SnakeCaseParamMapper : ParameterMapper {
  * the kebab case equivalent.
  *
  * For example, camelCasePilsen will become kebab-case-pilsen.
+ *
+ * When using the [PathNormalizer] (which is enabled by default), this mapper is unnecessary.
  */
 object KebabCaseParamMapper : ParameterMapper {