diff --git a/common/workflow-core/src/main/scala/org/apache/texera/amber/core/tuple/LargeBinary.java b/common/workflow-core/src/main/scala/org/apache/texera/amber/core/tuple/LargeBinary.java
index 9e8c4db870c..895c8a3ff0a 100644
--- a/common/workflow-core/src/main/scala/org/apache/texera/amber/core/tuple/LargeBinary.java
+++ b/common/workflow-core/src/main/scala/org/apache/texera/amber/core/tuple/LargeBinary.java
@@ -22,7 +22,6 @@
 import com.fasterxml.jackson.annotation.JsonCreator;
 import com.fasterxml.jackson.annotation.JsonProperty;
 import com.fasterxml.jackson.annotation.JsonValue;
-import org.apache.texera.amber.core.executor.OperatorExecutor;
 import org.apache.texera.service.util.LargeBinaryManager;
 
 import java.net.URI;
diff --git a/common/workflow-core/src/main/scala/org/apache/texera/amber/core/workflow/ExecutionMode.java b/common/workflow-core/src/main/scala/org/apache/texera/amber/core/workflow/ExecutionMode.java
index c02690e4e56..b7a00fd3e87 100644
--- a/common/workflow-core/src/main/scala/org/apache/texera/amber/core/workflow/ExecutionMode.java
+++ b/common/workflow-core/src/main/scala/org/apache/texera/amber/core/workflow/ExecutionMode.java
@@ -22,6 +22,4 @@
 public enum ExecutionMode {
     PIPELINED,
     MATERIALIZED;
-
-    public static ExecutionMode fromString(String value) { return valueOf(value); }
 }
\ No newline at end of file