diff --git a/src/main/java/net/snowflake/client/core/arrow/ArrayConverter.java b/src/main/java/net/snowflake/client/core/arrow/ArrayConverter.java
index e62e68277..96b683151 100644
--- a/src/main/java/net/snowflake/client/core/arrow/ArrayConverter.java
+++ b/src/main/java/net/snowflake/client/core/arrow/ArrayConverter.java
@@ -1,6 +1,5 @@
 package net.snowflake.client.core.arrow;
 
-import java.nio.charset.StandardCharsets;
 import net.snowflake.client.core.DataConversionContext;
 import net.snowflake.client.core.SFException;
 import net.snowflake.client.core.arrow.tostringhelpers.ArrowArrayStringRepresentationBuilder;
diff --git a/src/main/java/net/snowflake/client/core/arrow/MapConverter.java b/src/main/java/net/snowflake/client/core/arrow/MapConverter.java
index 8b77e06b4..e4e148ac5 100644
--- a/src/main/java/net/snowflake/client/core/arrow/MapConverter.java
+++ b/src/main/java/net/snowflake/client/core/arrow/MapConverter.java
@@ -1,6 +1,5 @@
 package net.snowflake.client.core.arrow;
 
-import java.nio.charset.StandardCharsets;
 import java.util.List;
 import java.util.Map;
 import java.util.stream.Collectors;
diff --git a/src/main/java/net/snowflake/client/core/arrow/StructConverter.java b/src/main/java/net/snowflake/client/core/arrow/StructConverter.java
index 2e26f4e85..ab7d20382 100644
--- a/src/main/java/net/snowflake/client/core/arrow/StructConverter.java
+++ b/src/main/java/net/snowflake/client/core/arrow/StructConverter.java
@@ -1,6 +1,5 @@
 package net.snowflake.client.core.arrow;
 
-import java.nio.charset.StandardCharsets;
 import net.snowflake.client.core.DataConversionContext;
 import net.snowflake.client.core.SFException;
 import net.snowflake.client.core.SnowflakeJdbcInternalApi;
diff --git a/src/main/java/net/snowflake/client/core/arrow/VectorTypeConverter.java b/src/main/java/net/snowflake/client/core/arrow/VectorTypeConverter.java
index 8c25c311c..cb9dcad73 100644
--- a/src/main/java/net/snowflake/client/core/arrow/VectorTypeConverter.java
+++ b/src/main/java/net/snowflake/client/core/arrow/VectorTypeConverter.java
@@ -1,6 +1,5 @@
 package net.snowflake.client.core.arrow;
 
-import java.nio.charset.StandardCharsets;
 import java.util.List;
 import net.snowflake.client.core.DataConversionContext;
 import net.snowflake.client.core.SFException;
diff --git a/src/main/java/net/snowflake/client/core/json/BytesConverter.java b/src/main/java/net/snowflake/client/core/json/BytesConverter.java
index 1f1423dec..a60badc81 100644
--- a/src/main/java/net/snowflake/client/core/json/BytesConverter.java
+++ b/src/main/java/net/snowflake/client/core/json/BytesConverter.java
@@ -1,7 +1,6 @@
 package net.snowflake.client.core.json;
 
 import java.nio.ByteBuffer;
-import java.nio.charset.StandardCharsets;
 import java.sql.Types;
 import net.snowflake.client.core.SFException;
 import net.snowflake.client.jdbc.ErrorCode;