diff --git a/api/src/main/java/org/apache/iceberg/PartitionSpec.java b/api/src/main/java/org/apache/iceberg/PartitionSpec.java
index a31cfd76583b..0c76b0c32158 100644
--- a/api/src/main/java/org/apache/iceberg/PartitionSpec.java
+++ b/api/src/main/java/org/apache/iceberg/PartitionSpec.java
@@ -440,7 +440,7 @@ public Builder year(String sourceName, String targetName) {
               sourceColumn.fieldId(),
               nextFieldId(),
               targetName,
-              Transforms.year(sourceColumn.type()));
+              Transforms.year());
       checkForRedundantPartitions(field);
       fields.add(field);
       return this;
@@ -458,7 +458,7 @@ public Builder month(String sourceName, String targetName) {
               sourceColumn.fieldId(),
               nextFieldId(),
               targetName,
-              Transforms.month(sourceColumn.type()));
+              Transforms.month());
       checkForRedundantPartitions(field);
       fields.add(field);
       return this;
@@ -476,7 +476,7 @@ public Builder day(String sourceName, String targetName) {
               sourceColumn.fieldId(),
               nextFieldId(),
               targetName,
-              Transforms.day(sourceColumn.type()));
+              Transforms.day());
       checkForRedundantPartitions(field);
       fields.add(field);
       return this;
@@ -494,7 +494,7 @@ public Builder hour(String sourceName, String targetName) {
               sourceColumn.fieldId(),
               nextFieldId(),
               targetName,
-              Transforms.hour(sourceColumn.type()));
+              Transforms.hour());
       checkForRedundantPartitions(field);
       fields.add(field);
       return this;
diff --git a/api/src/main/java/org/apache/iceberg/UnboundPartitionSpec.java b/api/src/main/java/org/apache/iceberg/UnboundPartitionSpec.java
index cc8526f9072c..b66ae4f8de5c 100644
--- a/api/src/main/java/org/apache/iceberg/UnboundPartitionSpec.java
+++ b/api/src/main/java/org/apache/iceberg/UnboundPartitionSpec.java
@@ -54,13 +54,7 @@ private PartitionSpec.Builder copyToBuilder(Schema schema) {
     PartitionSpec.Builder builder = PartitionSpec.builderFor(schema).withSpecId(specId);
 
     for (UnboundPartitionField field : fields) {
-      Type fieldType = schema.findType(field.sourceId);
-      Transform<?, ?> transform;
-      if (fieldType != null) {
-        transform = Transforms.fromString(fieldType, field.transform.toString());
-      } else {
-        transform = Transforms.fromString(field.transform.toString());
-      }
+      Transform<?, ?> transform = Transforms.fromString(field.transform.toString());
       if (field.partitionId != null) {
         builder.add(field.sourceId, field.partitionId, field.name, transform);
       } else {
diff --git a/core/src/test/java/org/apache/iceberg/TestTableUpdatePartitionSpec.java b/core/src/test/java/org/apache/iceberg/TestTableUpdatePartitionSpec.java
index f770cd279287..20191e4f045d 100644
--- a/core/src/test/java/org/apache/iceberg/TestTableUpdatePartitionSpec.java
+++ b/core/src/test/java/org/apache/iceberg/TestTableUpdatePartitionSpec.java
@@ -20,8 +20,10 @@
 
 import static org.apache.iceberg.expressions.Expressions.bucket;
 import static org.apache.iceberg.expressions.Expressions.truncate;
+import static org.apache.iceberg.expressions.Expressions.year;
 
 import org.apache.iceberg.transforms.Transforms;
+import org.apache.iceberg.types.Types;
 import org.junit.Assert;
 import org.junit.Before;
 import org.junit.Test;
@@ -187,6 +189,46 @@ public void testRemoveAndAddField() {
     Assert.assertEquals(1001, table.spec().lastAssignedFieldId());
   }
 
+  @Test
+  public void testAddAfterRemoveTimeField() {
+    table.updateSchema().addColumn("year_field", Types.DateType.get()).commit();
+    table.updateSpec().addField(year("year_field")).commit();
+
+    PartitionSpec newSpec = PartitionSpec.builderFor(table.schema())
+            .withSpecId(1)
+            .bucket("data", 16)
+            .year("year_field")
+            .build();
+
+    Assert.assertEquals(
+            "Should have same transform class: org.apache.iceberg.transforms.Years",
+            newSpec.fields().get(1).transform().getClass().getName(),
+            table.spec().fields().get(1).transform().getClass().getName());
+    Assert.assertEquals("Should append a year partition field to the spec",  newSpec, table.spec());
+    Assert.assertEquals(1001, table.spec().lastAssignedFieldId());
+
+    //  remove and add a field with TimeTransform(Years, Months, Days, Hours)
+    table.updateSpec().removeField("year_field_year").addField(year("year_field")).commit();
+
+    V1Assert.assertEquals(
+            "Should remove and then add a year field",
+            PartitionSpec.builderFor(table.schema())
+                    .withSpecId(1)
+                    .bucket("data", 16)
+                    .year("year_field")
+                    .build(),
+            table.spec());
+    V2Assert.assertEquals(
+            "Should remove and then add a year field",
+            PartitionSpec.builderFor(table.schema())
+                    .withSpecId(1)
+                    .add(2, 1000, "data_bucket", Transforms.bucket(16))
+                    .add(3, 1001, "year_field_year", Transforms.year())
+                    .build(),
+            table.spec());
+    Assert.assertEquals(1001, table.spec().lastAssignedFieldId());
+  }
+
   @Test
   public void testAddAndRemoveField() {
     table.updateSpec().addField(bucket("data", 6)).removeField("data_bucket").commit();