diff --git a/plugin/trino-iceberg/src/main/java/io/trino/plugin/iceberg/fileio/ForwardingFileIo.java b/plugin/trino-iceberg/src/main/java/io/trino/plugin/iceberg/fileio/ForwardingFileIo.java
index cfb511c3fccb..d00cecba128f 100644
--- a/plugin/trino-iceberg/src/main/java/io/trino/plugin/iceberg/fileio/ForwardingFileIo.java
+++ b/plugin/trino-iceberg/src/main/java/io/trino/plugin/iceberg/fileio/ForwardingFileIo.java
@@ -17,6 +17,9 @@
 import com.google.common.collect.Iterables;
 import io.trino.filesystem.Location;
 import io.trino.filesystem.TrinoFileSystem;
+import org.apache.iceberg.DataFile;
+import org.apache.iceberg.DeleteFile;
+import org.apache.iceberg.ManifestFile;
 import org.apache.iceberg.io.BulkDeletionFailureException;
 import org.apache.iceberg.io.InputFile;
 import org.apache.iceberg.io.OutputFile;
@@ -28,6 +31,7 @@
 import java.util.Map;
 import java.util.stream.Stream;
 
+import static com.google.common.base.Preconditions.checkArgument;
 import static java.util.Objects.requireNonNull;
 import static java.util.stream.Collectors.joining;
 
@@ -88,6 +92,36 @@ public void deleteFiles(Iterable<String> pathsToDelete)
         partitions.forEach(this::deleteBatch);
     }
 
+    @Override
+    public InputFile newInputFile(ManifestFile manifest)
+    {
+        checkArgument(
+                manifest.keyMetadata() == null,
+                "Cannot decrypt manifest: %s (use EncryptingFileIO)",
+                manifest.path());
+        return newInputFile(manifest.path(), manifest.length());
+    }
+
+    @Override
+    public InputFile newInputFile(DataFile file)
+    {
+        checkArgument(
+                file.keyMetadata() == null,
+                "Cannot decrypt data file: %s (use EncryptingFileIO)",
+                file.path());
+        return newInputFile(file.path().toString(), file.fileSizeInBytes());
+    }
+
+    @Override
+    public InputFile newInputFile(DeleteFile file)
+    {
+        checkArgument(
+                file.keyMetadata() == null,
+                "Cannot decrypt delete file: %s (use EncryptingFileIO)",
+                file.path());
+        return newInputFile(file.path().toString(), file.fileSizeInBytes());
+    }
+
     private void deleteBatch(List<String> filesToDelete)
     {
         try {
diff --git a/plugin/trino-iceberg/src/test/java/io/trino/plugin/iceberg/TestIcebergFileOperations.java b/plugin/trino-iceberg/src/test/java/io/trino/plugin/iceberg/TestIcebergFileOperations.java
index 36636217fe2b..1bcb313d4587 100644
--- a/plugin/trino-iceberg/src/test/java/io/trino/plugin/iceberg/TestIcebergFileOperations.java
+++ b/plugin/trino-iceberg/src/test/java/io/trino/plugin/iceberg/TestIcebergFileOperations.java
@@ -183,7 +183,6 @@ public void testCreateOrReplaceTableAsSelect()
                         .add(new FileOperation(SNAPSHOT, "OutputFile.create"))
                         .add(new FileOperation(MANIFEST, "OutputFile.create"))
                         .add(new FileOperation(MANIFEST, "InputFile.newStream"))
-                        .add(new FileOperation(MANIFEST, "InputFile.length"))
                         .add(new FileOperation(STATS, "OutputFile.create"))
                         .build());
     }
@@ -198,7 +197,6 @@ public void testSelect()
                         .add(new FileOperation(SNAPSHOT, "InputFile.length"))
                         .add(new FileOperation(SNAPSHOT, "InputFile.newStream"))
                         .add(new FileOperation(MANIFEST, "InputFile.newStream"))
-                        .add(new FileOperation(MANIFEST, "InputFile.length"))
                         .build());
     }
 
@@ -225,7 +223,6 @@ public void testSelectWithLimit(int numberOfFiles)
                         .add(new FileOperation(SNAPSHOT, "InputFile.length"))
                         .add(new FileOperation(SNAPSHOT, "InputFile.newStream"))
                         .addCopies(new FileOperation(MANIFEST, "InputFile.newStream"), min(icebergManifestPrefetching, numberOfFiles))
-                        .addCopies(new FileOperation(MANIFEST, "InputFile.length"), min(icebergManifestPrefetching, numberOfFiles))
                         .build());
 
         assertFileSystemAccesses("EXPLAIN SELECT * FROM test_select_with_limit LIMIT 3",
@@ -234,7 +231,6 @@ public void testSelectWithLimit(int numberOfFiles)
                         .add(new FileOperation(SNAPSHOT, "InputFile.length"))
                         .add(new FileOperation(SNAPSHOT, "InputFile.newStream"))
                         .addCopies(new FileOperation(MANIFEST, "InputFile.newStream"), numberOfFiles)
-                        .addCopies(new FileOperation(MANIFEST, "InputFile.length"), numberOfFiles)
                         .build());
 
         assertFileSystemAccesses("EXPLAIN ANALYZE SELECT * FROM test_select_with_limit LIMIT 3",
@@ -243,7 +239,6 @@ public void testSelectWithLimit(int numberOfFiles)
                         .add(new FileOperation(SNAPSHOT, "InputFile.length"))
                         .add(new FileOperation(SNAPSHOT, "InputFile.newStream"))
                         .addCopies(new FileOperation(MANIFEST, "InputFile.newStream"), numberOfFiles + min(icebergManifestPrefetching, numberOfFiles))
-                        .addCopies(new FileOperation(MANIFEST, "InputFile.length"), numberOfFiles + min(icebergManifestPrefetching, numberOfFiles))
                         .build());
 
         assertUpdate("DROP TABLE test_select_with_limit");
@@ -276,7 +271,6 @@ public void testReadWholePartition()
                 ALL_FILES,
                 ImmutableMultiset.<FileOperation>builder()
                         .addCopies(new FileOperation(MANIFEST, "InputFile.newStream"), 2)
-                        .addCopies(new FileOperation(MANIFEST, "InputFile.length"), 2)
                         .add(new FileOperation(METADATA_JSON, "InputFile.newStream"))
                         .add(new FileOperation(SNAPSHOT, "InputFile.length"))
                         .add(new FileOperation(SNAPSHOT, "InputFile.newStream"))
@@ -289,7 +283,6 @@ public void testReadWholePartition()
                 ALL_FILES,
                 ImmutableMultiset.<FileOperation>builder()
                         .addCopies(new FileOperation(MANIFEST, "InputFile.newStream"), 2)
-                        .addCopies(new FileOperation(MANIFEST, "InputFile.length"), 2)
                         .add(new FileOperation(METADATA_JSON, "InputFile.newStream"))
                         .add(new FileOperation(SNAPSHOT, "InputFile.length"))
                         .add(new FileOperation(SNAPSHOT, "InputFile.newStream"))
@@ -301,7 +294,6 @@ public void testReadWholePartition()
                 ALL_FILES,
                 ImmutableMultiset.<FileOperation>builder()
                         .addCopies(new FileOperation(MANIFEST, "InputFile.newStream"), 2)
-                        .addCopies(new FileOperation(MANIFEST, "InputFile.length"), 2)
                         .add(new FileOperation(METADATA_JSON, "InputFile.newStream"))
                         .add(new FileOperation(SNAPSHOT, "InputFile.length"))
                         .add(new FileOperation(SNAPSHOT, "InputFile.newStream"))
@@ -313,7 +305,6 @@ public void testReadWholePartition()
                 ALL_FILES,
                 ImmutableMultiset.<FileOperation>builder()
                         .addCopies(new FileOperation(MANIFEST, "InputFile.newStream"), 2)
-                        .addCopies(new FileOperation(MANIFEST, "InputFile.length"), 2)
                         .add(new FileOperation(METADATA_JSON, "InputFile.newStream"))
                         .add(new FileOperation(SNAPSHOT, "InputFile.length"))
                         .add(new FileOperation(SNAPSHOT, "InputFile.newStream"))
@@ -328,7 +319,6 @@ public void testReadWholePartition()
                 ALL_FILES,
                 ImmutableMultiset.<FileOperation>builder()
                         .addCopies(new FileOperation(MANIFEST, "InputFile.newStream"), 2)
-                        .addCopies(new FileOperation(MANIFEST, "InputFile.length"), 2)
                         .add(new FileOperation(METADATA_JSON, "InputFile.newStream"))
                         .add(new FileOperation(SNAPSHOT, "InputFile.length"))
                         .add(new FileOperation(SNAPSHOT, "InputFile.newStream"))
@@ -365,7 +355,6 @@ public void testReadWholePartitionSplittableFile()
                 ALL_FILES,
                 ImmutableMultiset.<FileOperation>builder()
                         .add(new FileOperation(MANIFEST, "InputFile.newStream"))
-                        .add(new FileOperation(MANIFEST, "InputFile.length"))
                         .add(new FileOperation(METADATA_JSON, "InputFile.newStream"))
                         .add(new FileOperation(SNAPSHOT, "InputFile.length"))
                         .add(new FileOperation(SNAPSHOT, "InputFile.newStream"))
@@ -378,7 +367,6 @@ public void testReadWholePartitionSplittableFile()
                 ALL_FILES,
                 ImmutableMultiset.<FileOperation>builder()
                         .add(new FileOperation(MANIFEST, "InputFile.newStream"))
-                        .add(new FileOperation(MANIFEST, "InputFile.length"))
                         .add(new FileOperation(METADATA_JSON, "InputFile.newStream"))
                         .add(new FileOperation(SNAPSHOT, "InputFile.length"))
                         .add(new FileOperation(SNAPSHOT, "InputFile.newStream"))
@@ -409,7 +397,6 @@ public void testSelectFromVersionedTable()
                         .add(new FileOperation(SNAPSHOT, "InputFile.length"))
                         .add(new FileOperation(SNAPSHOT, "InputFile.newStream"))
                         .add(new FileOperation(MANIFEST, "InputFile.newStream"))
-                        .add(new FileOperation(MANIFEST, "InputFile.length"))
                         .build());
         assertFileSystemAccesses("SELECT * FROM " + tableName + " FOR VERSION AS OF " + v3SnapshotId,
                 ImmutableMultiset.<FileOperation>builder()
@@ -417,7 +404,6 @@ public void testSelectFromVersionedTable()
                         .add(new FileOperation(SNAPSHOT, "InputFile.length"))
                         .add(new FileOperation(SNAPSHOT, "InputFile.newStream"))
                         .addCopies(new FileOperation(MANIFEST, "InputFile.newStream"), 2)
-                        .addCopies(new FileOperation(MANIFEST, "InputFile.length"), 2)
                         .build());
         assertFileSystemAccesses("SELECT * FROM " + tableName,
                 ImmutableMultiset.<FileOperation>builder()
@@ -425,7 +411,6 @@ public void testSelectFromVersionedTable()
                         .add(new FileOperation(SNAPSHOT, "InputFile.length"))
                         .add(new FileOperation(SNAPSHOT, "InputFile.newStream"))
                         .addCopies(new FileOperation(MANIFEST, "InputFile.newStream"), 2)
-                        .addCopies(new FileOperation(MANIFEST, "InputFile.length"), 2)
                         .build());
     }
 
@@ -452,7 +437,6 @@ public void testSelectFromVersionedTableWithSchemaEvolution()
                         .add(new FileOperation(SNAPSHOT, "InputFile.length"))
                         .add(new FileOperation(SNAPSHOT, "InputFile.newStream"))
                         .add(new FileOperation(MANIFEST, "InputFile.newStream"))
-                        .add(new FileOperation(MANIFEST, "InputFile.length"))
                         .build());
         assertFileSystemAccesses("SELECT * FROM " + tableName + " FOR VERSION AS OF " + v3SnapshotId,
                 ImmutableMultiset.<FileOperation>builder()
@@ -460,7 +444,6 @@ public void testSelectFromVersionedTableWithSchemaEvolution()
                         .add(new FileOperation(SNAPSHOT, "InputFile.length"))
                         .add(new FileOperation(SNAPSHOT, "InputFile.newStream"))
                         .addCopies(new FileOperation(MANIFEST, "InputFile.newStream"), 2)
-                        .addCopies(new FileOperation(MANIFEST, "InputFile.length"), 2)
                         .build());
         assertFileSystemAccesses("SELECT * FROM " + tableName,
                 ImmutableMultiset.<FileOperation>builder()
@@ -468,7 +451,6 @@ public void testSelectFromVersionedTableWithSchemaEvolution()
                         .add(new FileOperation(SNAPSHOT, "InputFile.length"))
                         .add(new FileOperation(SNAPSHOT, "InputFile.newStream"))
                         .addCopies(new FileOperation(MANIFEST, "InputFile.newStream"), 2)
-                        .addCopies(new FileOperation(MANIFEST, "InputFile.length"), 2)
                         .build());
     }
 
@@ -482,7 +464,6 @@ public void testSelectWithFilter()
                         .add(new FileOperation(SNAPSHOT, "InputFile.length"))
                         .add(new FileOperation(SNAPSHOT, "InputFile.newStream"))
                         .add(new FileOperation(MANIFEST, "InputFile.newStream"))
-                        .add(new FileOperation(MANIFEST, "InputFile.length"))
                         .build());
     }
 
@@ -498,7 +479,6 @@ public void testJoin()
                         .addCopies(new FileOperation(SNAPSHOT, "InputFile.length"), 2)
                         .addCopies(new FileOperation(SNAPSHOT, "InputFile.newStream"), 2)
                         .addCopies(new FileOperation(MANIFEST, "InputFile.newStream"), 4)
-                        .addCopies(new FileOperation(MANIFEST, "InputFile.length"), 4)
                         .build());
     }
 
@@ -516,7 +496,6 @@ public void testJoinWithPartitionedTable()
                         .addCopies(new FileOperation(SNAPSHOT, "InputFile.length"), 2)
                         .addCopies(new FileOperation(SNAPSHOT, "InputFile.newStream"), 2)
                         .addCopies(new FileOperation(MANIFEST, "InputFile.newStream"), 4)
-                        .addCopies(new FileOperation(MANIFEST, "InputFile.length"), 4)
                         .build());
     }
 
@@ -531,7 +510,6 @@ public void testExplainSelect()
                         .add(new FileOperation(SNAPSHOT, "InputFile.length"))
                         .add(new FileOperation(SNAPSHOT, "InputFile.newStream"))
                         .add(new FileOperation(MANIFEST, "InputFile.newStream"))
-                        .add(new FileOperation(MANIFEST, "InputFile.length"))
                         .build());
     }
 
@@ -546,7 +524,6 @@ public void testShowStatsForTable()
                         .add(new FileOperation(SNAPSHOT, "InputFile.length"))
                         .add(new FileOperation(SNAPSHOT, "InputFile.newStream"))
                         .add(new FileOperation(MANIFEST, "InputFile.newStream"))
-                        .add(new FileOperation(MANIFEST, "InputFile.length"))
                         .build());
     }
 
@@ -563,7 +540,6 @@ public void testShowStatsForPartitionedTable()
                         .add(new FileOperation(SNAPSHOT, "InputFile.length"))
                         .add(new FileOperation(SNAPSHOT, "InputFile.newStream"))
                         .add(new FileOperation(MANIFEST, "InputFile.newStream"))
-                        .add(new FileOperation(MANIFEST, "InputFile.length"))
                         .build());
     }
 
@@ -578,7 +554,6 @@ public void testShowStatsForTableWithFilter()
                         .add(new FileOperation(SNAPSHOT, "InputFile.length"))
                         .add(new FileOperation(SNAPSHOT, "InputFile.newStream"))
                         .add(new FileOperation(MANIFEST, "InputFile.newStream"))
-                        .add(new FileOperation(MANIFEST, "InputFile.length"))
                         .build());
     }
 
@@ -595,7 +570,6 @@ public void testPredicateWithVarcharCastToDate()
                         .add(new FileOperation(SNAPSHOT, "InputFile.length"))
                         .add(new FileOperation(SNAPSHOT, "InputFile.newStream"))
                         .addCopies(new FileOperation(MANIFEST, "InputFile.newStream"), 2)
-                        .addCopies(new FileOperation(MANIFEST, "InputFile.length"), 2)
                         .build());
 
         // CAST to date and comparison
@@ -605,7 +579,6 @@ public void testPredicateWithVarcharCastToDate()
                         .add(new FileOperation(SNAPSHOT, "InputFile.length"))
                         .add(new FileOperation(SNAPSHOT, "InputFile.newStream"))
                         .add(new FileOperation(MANIFEST, "InputFile.newStream")) // fewer than without filter
-                        .add(new FileOperation(MANIFEST, "InputFile.length"))
                         .build());
 
         // CAST to date and BETWEEN
@@ -615,7 +588,6 @@ public void testPredicateWithVarcharCastToDate()
                         .add(new FileOperation(SNAPSHOT, "InputFile.length"))
                         .add(new FileOperation(SNAPSHOT, "InputFile.newStream"))
                         .add(new FileOperation(MANIFEST, "InputFile.newStream")) // fewer than without filter
-                        .add(new FileOperation(MANIFEST, "InputFile.length"))
                         .build());
 
         // conversion to date as a date function
@@ -625,7 +597,6 @@ public void testPredicateWithVarcharCastToDate()
                         .add(new FileOperation(SNAPSHOT, "InputFile.length"))
                         .add(new FileOperation(SNAPSHOT, "InputFile.newStream"))
                         .add(new FileOperation(MANIFEST, "InputFile.newStream")) // fewer than without filter
-                        .add(new FileOperation(MANIFEST, "InputFile.length"))
                         .build());
 
         assertUpdate("DROP TABLE test_varchar_as_date_predicate");
@@ -651,7 +622,6 @@ public void testRemoveOrphanFiles()
                         .addCopies(new FileOperation(SNAPSHOT, "InputFile.length"), 4)
                         .addCopies(new FileOperation(SNAPSHOT, "InputFile.newStream"), 4)
                         .addCopies(new FileOperation(MANIFEST, "InputFile.newStream"), 5)
-                        .addCopies(new FileOperation(MANIFEST, "InputFile.length"), 5)
                         .build());
 
         assertUpdate("DROP TABLE " + tableName);