diff --git a/src/main/scala/com/yotpo/metorikku/utils/FileUtils.scala b/src/main/scala/com/yotpo/metorikku/utils/FileUtils.scala
index 6799accda..6514de8d5 100644
--- a/src/main/scala/com/yotpo/metorikku/utils/FileUtils.scala
+++ b/src/main/scala/com/yotpo/metorikku/utils/FileUtils.scala
@@ -2,7 +2,7 @@ package com.yotpo.metorikku.utils
 
 import java.io.{File, FileNotFoundException}
 
-import com.fasterxml.jackson.databind.ObjectMapper
+import com.fasterxml.jackson.databind.{DeserializationFeature, ObjectMapper}
 import com.fasterxml.jackson.dataformat.yaml.YAMLFactory
 import com.yotpo.metorikku.exceptions.MetorikkuException
 import org.apache.commons.io.FilenameUtils
@@ -41,8 +41,8 @@ object FileUtils {
   def getObjectMapperByExtension(fileName: String): Option[ObjectMapper] = {
     val extension = FilenameUtils.getExtension(fileName)
     extension match {
-      case "json" => Option(new ObjectMapper())
-      case "yaml" => Option(new ObjectMapper(new YAMLFactory()))
+      case "json" => Option(new ObjectMapper().configure(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES, false))
+      case "yaml" | "yml" | _ => Option(new ObjectMapper(new YAMLFactory()).configure(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES, false))
     }
   }
 }
diff --git a/src/test/scala/com/yotpo/metorikku/test/MetorikkuTest.scala b/src/test/scala/com/yotpo/metorikku/test/MetorikkuTest.scala
index 615c20bb8..2518d3e51 100644
--- a/src/test/scala/com/yotpo/metorikku/test/MetorikkuTest.scala
+++ b/src/test/scala/com/yotpo/metorikku/test/MetorikkuTest.scala
@@ -62,11 +62,4 @@ class MetorikkuTest extends FunSuite with BeforeAndAfterAll {
     }
     assert(thrown.getCause.getMessage.startsWith("cannot resolve '`non_existing_column`'"))
   }
-
-
-  test("Test Metorikku should Fail on invalid step type") {
-    assertThrows[MetorikkuInvalidMetricFileException] {
-      Metorikku.main(Array("-c", "src/test/scala/com/yotpo/metorikku/test/metorikku-test-config-invalid-step-type.yaml"))
-    }
-  }
 }
\ No newline at end of file
diff --git a/src/test/scala/com/yotpo/metorikku/test/metorikku-test-config-invalid-step-type.yaml b/src/test/scala/com/yotpo/metorikku/test/metorikku-test-config-invalid-step-type.yaml
deleted file mode 100644
index c8d2f6062..000000000
--- a/src/test/scala/com/yotpo/metorikku/test/metorikku-test-config-invalid-step-type.yaml
+++ /dev/null
@@ -1,7 +0,0 @@
-metrics:
-  - src/test/calculations/invalid_metric_step_type/
-inputs:
- employees: src/test/tables/employees.parquet
-output:
- file:
-  dir: src/test/out/