diff --git a/spark/v3.1/spark/src/main/java/org/apache/iceberg/spark/SparkReadConf.java b/spark/v3.1/spark/src/main/java/org/apache/iceberg/spark/SparkReadConf.java
index 2ade02bbd023..d5833a9d07fd 100644
--- a/spark/v3.1/spark/src/main/java/org/apache/iceberg/spark/SparkReadConf.java
+++ b/spark/v3.1/spark/src/main/java/org/apache/iceberg/spark/SparkReadConf.java
@@ -201,7 +201,7 @@ public boolean handleTimestampWithoutZone() {
         .parse();
   }
 
-  public Long streamFromTimestamp() {
+  public long streamFromTimestamp() {
     return confParser
         .longConf()
         .option(SparkReadOptions.STREAM_FROM_TIMESTAMP)
diff --git a/spark/v3.1/spark/src/main/java/org/apache/iceberg/spark/source/SparkMicroBatchStream.java b/spark/v3.1/spark/src/main/java/org/apache/iceberg/spark/source/SparkMicroBatchStream.java
index 1ed3b64f0297..ebac79ebcb17 100644
--- a/spark/v3.1/spark/src/main/java/org/apache/iceberg/spark/source/SparkMicroBatchStream.java
+++ b/spark/v3.1/spark/src/main/java/org/apache/iceberg/spark/source/SparkMicroBatchStream.java
@@ -69,14 +69,14 @@ public class SparkMicroBatchStream implements MicroBatchStream {
   private final boolean caseSensitive;
   private final String expectedSchema;
   private final Broadcast<Table> tableBroadcast;
-  private final Long splitSize;
-  private final Integer splitLookback;
-  private final Long splitOpenFileCost;
+  private final long splitSize;
+  private final int splitLookback;
+  private final long splitOpenFileCost;
   private final boolean localityPreferred;
   private final StreamingOffset initialOffset;
   private final boolean skipDelete;
   private final boolean skipOverwrite;
-  private final Long fromTimestamp;
+  private final long fromTimestamp;
 
   SparkMicroBatchStream(
       JavaSparkContext sparkContext,
diff --git a/spark/v3.2/spark/src/main/java/org/apache/iceberg/spark/SparkReadConf.java b/spark/v3.2/spark/src/main/java/org/apache/iceberg/spark/SparkReadConf.java
index 8fbd11c9d997..fda807431a31 100644
--- a/spark/v3.2/spark/src/main/java/org/apache/iceberg/spark/SparkReadConf.java
+++ b/spark/v3.2/spark/src/main/java/org/apache/iceberg/spark/SparkReadConf.java
@@ -201,7 +201,7 @@ public boolean handleTimestampWithoutZone() {
         .parse();
   }
 
-  public Long streamFromTimestamp() {
+  public long streamFromTimestamp() {
     return confParser
         .longConf()
         .option(SparkReadOptions.STREAM_FROM_TIMESTAMP)
diff --git a/spark/v3.2/spark/src/main/java/org/apache/iceberg/spark/source/SparkMicroBatchStream.java b/spark/v3.2/spark/src/main/java/org/apache/iceberg/spark/source/SparkMicroBatchStream.java
index 816e3d2bf8e5..c4de2ddfe6ea 100644
--- a/spark/v3.2/spark/src/main/java/org/apache/iceberg/spark/source/SparkMicroBatchStream.java
+++ b/spark/v3.2/spark/src/main/java/org/apache/iceberg/spark/source/SparkMicroBatchStream.java
@@ -70,14 +70,14 @@ public class SparkMicroBatchStream implements MicroBatchStream {
   private final boolean caseSensitive;
   private final String expectedSchema;
   private final Broadcast<Table> tableBroadcast;
-  private final Long splitSize;
-  private final Integer splitLookback;
-  private final Long splitOpenFileCost;
+  private final long splitSize;
+  private final int splitLookback;
+  private final long splitOpenFileCost;
   private final boolean localityPreferred;
   private final StreamingOffset initialOffset;
   private final boolean skipDelete;
   private final boolean skipOverwrite;
-  private final Long fromTimestamp;
+  private final long fromTimestamp;
 
   SparkMicroBatchStream(
       JavaSparkContext sparkContext,
diff --git a/spark/v3.3/spark/src/main/java/org/apache/iceberg/spark/SparkReadConf.java b/spark/v3.3/spark/src/main/java/org/apache/iceberg/spark/SparkReadConf.java
index dbd2613dded7..0f24844414fe 100644
--- a/spark/v3.3/spark/src/main/java/org/apache/iceberg/spark/SparkReadConf.java
+++ b/spark/v3.3/spark/src/main/java/org/apache/iceberg/spark/SparkReadConf.java
@@ -239,7 +239,7 @@ public boolean handleTimestampWithoutZone() {
         .parse();
   }
 
-  public Long streamFromTimestamp() {
+  public long streamFromTimestamp() {
     return confParser
         .longConf()
         .option(SparkReadOptions.STREAM_FROM_TIMESTAMP)
@@ -255,7 +255,7 @@ public Long endTimestamp() {
     return confParser.longConf().option(SparkReadOptions.END_TIMESTAMP).parseOptional();
   }
 
-  public Integer maxFilesPerMicroBatch() {
+  public int maxFilesPerMicroBatch() {
     return confParser
         .intConf()
         .option(SparkReadOptions.STREAMING_MAX_FILES_PER_MICRO_BATCH)
@@ -263,7 +263,7 @@ public Integer maxFilesPerMicroBatch() {
         .parse();
   }
 
-  public Integer maxRecordsPerMicroBatch() {
+  public int maxRecordsPerMicroBatch() {
     return confParser
         .intConf()
         .option(SparkReadOptions.STREAMING_MAX_ROWS_PER_MICRO_BATCH)
diff --git a/spark/v3.3/spark/src/main/java/org/apache/iceberg/spark/source/SparkMicroBatchStream.java b/spark/v3.3/spark/src/main/java/org/apache/iceberg/spark/source/SparkMicroBatchStream.java
index e1a8ef59129c..4019fedcbbfa 100644
--- a/spark/v3.3/spark/src/main/java/org/apache/iceberg/spark/source/SparkMicroBatchStream.java
+++ b/spark/v3.3/spark/src/main/java/org/apache/iceberg/spark/source/SparkMicroBatchStream.java
@@ -77,16 +77,16 @@ public class SparkMicroBatchStream implements MicroBatchStream, SupportsAdmissio
   private final boolean caseSensitive;
   private final String expectedSchema;
   private final Broadcast<Table> tableBroadcast;
-  private final Long splitSize;
-  private final Integer splitLookback;
-  private final Long splitOpenFileCost;
+  private final long splitSize;
+  private final int splitLookback;
+  private final long splitOpenFileCost;
   private final boolean localityPreferred;
   private final StreamingOffset initialOffset;
   private final boolean skipDelete;
   private final boolean skipOverwrite;
-  private final Long fromTimestamp;
-  private final Integer maxFilesPerMicroBatch;
-  private final Integer maxRecordsPerMicroBatch;
+  private final long fromTimestamp;
+  private final int maxFilesPerMicroBatch;
+  private final int maxRecordsPerMicroBatch;
 
   SparkMicroBatchStream(
       JavaSparkContext sparkContext,
diff --git a/spark/v3.4/spark/src/main/java/org/apache/iceberg/spark/SparkReadConf.java b/spark/v3.4/spark/src/main/java/org/apache/iceberg/spark/SparkReadConf.java
index 1c1182c4da60..b91270f166ec 100644
--- a/spark/v3.4/spark/src/main/java/org/apache/iceberg/spark/SparkReadConf.java
+++ b/spark/v3.4/spark/src/main/java/org/apache/iceberg/spark/SparkReadConf.java
@@ -239,7 +239,7 @@ public boolean handleTimestampWithoutZone() {
         .parse();
   }
 
-  public Long streamFromTimestamp() {
+  public long streamFromTimestamp() {
     return confParser
         .longConf()
         .option(SparkReadOptions.STREAM_FROM_TIMESTAMP)
diff --git a/spark/v3.4/spark/src/main/java/org/apache/iceberg/spark/source/SparkMicroBatchStream.java b/spark/v3.4/spark/src/main/java/org/apache/iceberg/spark/source/SparkMicroBatchStream.java
index 6e03dd69a850..728acbe6463e 100644
--- a/spark/v3.4/spark/src/main/java/org/apache/iceberg/spark/source/SparkMicroBatchStream.java
+++ b/spark/v3.4/spark/src/main/java/org/apache/iceberg/spark/source/SparkMicroBatchStream.java
@@ -72,14 +72,14 @@ public class SparkMicroBatchStream implements MicroBatchStream {
   private final boolean caseSensitive;
   private final String expectedSchema;
   private final Broadcast<Table> tableBroadcast;
-  private final Long splitSize;
-  private final Integer splitLookback;
-  private final Long splitOpenFileCost;
+  private final long splitSize;
+  private final int splitLookback;
+  private final long splitOpenFileCost;
   private final boolean localityPreferred;
   private final StreamingOffset initialOffset;
   private final boolean skipDelete;
   private final boolean skipOverwrite;
-  private final Long fromTimestamp;
+  private final long fromTimestamp;
 
   SparkMicroBatchStream(
       JavaSparkContext sparkContext,