diff --git a/core/modules/file/migration_templates/d7_file.yml b/core/modules/file/migration_templates/d7_file.yml
index ffd85ab..a6ce2c3 100644
--- a/core/modules/file/migration_templates/d7_file.yml
+++ b/core/modules/file/migration_templates/d7_file.yml
@@ -13,7 +13,10 @@ source:
     # configuration in this migration's process pipeline as an example.
     source_base_path: ''
 process:
+  # If you are using this file to build a custom migration consider removing
+  # the fid and uid fields to allow incremental migrations.
   fid: fid
+  uid: uid
   filename: filename
   source_full_path:
     -
@@ -38,6 +41,5 @@ process:
   # had was the vague "timestamp" column. So we'll use it for both.
   created: timestamp
   changed: timestamp
-  uid: uid
 destination:
   plugin: entity:file
diff --git a/core/modules/node/migration_templates/d6_node.yml b/core/modules/node/migration_templates/d6_node.yml
index 58aea35..cec2123 100644
--- a/core/modules/node/migration_templates/d6_node.yml
+++ b/core/modules/node/migration_templates/d6_node.yml
@@ -9,14 +9,16 @@ process:
   # In D6, nodes always have a tnid, but it's zero for untranslated nodes.
   # We normalize it to equal the nid in that case.
   # @see \Drupal\node\Plugin\migrate\source\d6\Node::prepareRow().
+  # If you are using this file to build a custom migration consider removing
+  # the nid and uid fields to allow incremental migrations.
   nid: tnid
+  uid: node_uid
   vid: vid
   langcode:
     plugin: default_value
     source: language
     default_value: "und"
   title: title
-  uid: node_uid
   status: status
   created: created
   changed: changed
diff --git a/core/modules/node/migration_templates/d6_node_revision.yml b/core/modules/node/migration_templates/d6_node_revision.yml
index b7826a1..457c264 100644
--- a/core/modules/node/migration_templates/d6_node_revision.yml
+++ b/core/modules/node/migration_templates/d6_node_revision.yml
@@ -6,14 +6,16 @@ deriver: Drupal\node\Plugin\migrate\D6NodeDeriver
 source:
   plugin: d6_node_revision
 process:
+  # If you are using this file to build a custom migration consider removing
+  # the nid and uid fields to allow incremental migrations.
   nid: nid
+  uid: node_uid
   vid: vid
   langcode:
     plugin: default_value
     source: language
     default_value: "und"
   title: title
-  uid: node_uid
   status: status
   created: created
   changed: changed
diff --git a/core/modules/node/migration_templates/d6_node_translation.yml b/core/modules/node/migration_templates/d6_node_translation.yml
index b4a2402..8f89df0 100644
--- a/core/modules/node/migration_templates/d6_node_translation.yml
+++ b/core/modules/node/migration_templates/d6_node_translation.yml
@@ -7,14 +7,16 @@ source:
   plugin: d6_node
   translations: true
 process:
+  # If you are using this file to build a custom migration consider removing
+  # the nid and uid fields to allow incremental migrations.
   nid: tnid
+  uid: node_uid
   type: type
   langcode:
     plugin: default_value
     source: language
     default_value: "und"
   title: title
-  uid: node_uid
   status: status
   created: created
   changed: changed
diff --git a/core/modules/node/migration_templates/d7_node.yml b/core/modules/node/migration_templates/d7_node.yml
index b763534..3a9a2e1 100644
--- a/core/modules/node/migration_templates/d7_node.yml
+++ b/core/modules/node/migration_templates/d7_node.yml
@@ -6,14 +6,16 @@ deriver: Drupal\node\Plugin\migrate\D7NodeDeriver
 source:
   plugin: d7_node
 process:
+  # If you are using this file to build a custom migration consider removing
+  # the nid and uid fields to allow incremental migrations.
   nid: nid
+  uid: node_uid
   vid: vid
   langcode:
     plugin: default_value
     source: language
     default_value: "und"
   title: title
-  uid: node_uid
   status: status
   created: created
   changed: changed
diff --git a/core/modules/node/migration_templates/d7_node_revision.yml b/core/modules/node/migration_templates/d7_node_revision.yml
index 0ee8bca..c094b6b 100644
--- a/core/modules/node/migration_templates/d7_node_revision.yml
+++ b/core/modules/node/migration_templates/d7_node_revision.yml
@@ -6,14 +6,16 @@ deriver: Drupal\node\Plugin\migrate\D7NodeDeriver
 source:
   plugin: d7_node_revision
 process:
+  # If you are using this file to build a custom migration consider removing
+  # out the nid, uid and vid migrations to allow incremental migrations.
   nid: nid
+  uid: node_uid
   vid: vid
   langcode:
     plugin: default_value
     source: language
     default_value: "und"
   title: title
-  uid: node_uid
   status: status
   created: created
   changed: changed
diff --git a/core/modules/taxonomy/migration_templates/d6_taxonomy_term.yml b/core/modules/taxonomy/migration_templates/d6_taxonomy_term.yml
index 44f9f7f..909fb4c 100644
--- a/core/modules/taxonomy/migration_templates/d6_taxonomy_term.yml
+++ b/core/modules/taxonomy/migration_templates/d6_taxonomy_term.yml
@@ -5,6 +5,8 @@ migration_tags:
 source:
   plugin: taxonomy_term
 process:
+  # If you are using this file to build a custom migration consider removing
+  # the tid field to allow incremental migrations.
   tid: tid
   vid:
     plugin: migration
diff --git a/core/modules/taxonomy/migration_templates/d6_term_node.yml b/core/modules/taxonomy/migration_templates/d6_term_node.yml
index 63aec85..b796fc6 100644
--- a/core/modules/taxonomy/migration_templates/d6_term_node.yml
+++ b/core/modules/taxonomy/migration_templates/d6_term_node.yml
@@ -6,6 +6,8 @@ deriver: Drupal\taxonomy\Plugin\migrate\D6TermNodeDeriver
 source:
   plugin: d6_term_node
 process:
+  # If you are using this file to build a custom migration consider removing
+  # the nid field to allow incremental migrations.
   nid:
     -
       plugin: migration
diff --git a/core/modules/taxonomy/migration_templates/d7_taxonomy_term.yml b/core/modules/taxonomy/migration_templates/d7_taxonomy_term.yml
index 8d4adbb..a47ab46 100644
--- a/core/modules/taxonomy/migration_templates/d7_taxonomy_term.yml
+++ b/core/modules/taxonomy/migration_templates/d7_taxonomy_term.yml
@@ -5,6 +5,8 @@ migration_tags:
 source:
   plugin: taxonomy_term
 process:
+  # If you are using this file to build a custom migration consider removing
+  # the tid field to allow incremental migrations.
   tid: tid
   vid:
     plugin: migration
diff --git a/core/modules/user/migration_templates/d6_profile_values.yml b/core/modules/user/migration_templates/d6_profile_values.yml
index 7d4fbdd..b2f2f1e 100644
--- a/core/modules/user/migration_templates/d6_profile_values.yml
+++ b/core/modules/user/migration_templates/d6_profile_values.yml
@@ -10,6 +10,8 @@ source:
 load:
   plugin: drupal_entity
 process:
+  # If you are using this file to build a custom migration consider removing
+  # the uid field to allow incremental migrations.
   uid: uid
 destination:
   plugin: entity:user
diff --git a/core/modules/user/migration_templates/d6_user.yml b/core/modules/user/migration_templates/d6_user.yml
index fa6326e..c82c657 100644
--- a/core/modules/user/migration_templates/d6_user.yml
+++ b/core/modules/user/migration_templates/d6_user.yml
@@ -5,6 +5,8 @@ migration_tags:
 source:
   plugin: d6_user
 process:
+  # If you are using this file to build a custom migration consider removing
+  # the uid field to allow incremental migrations.
   uid: uid
   name: name
   pass: pass
diff --git a/core/modules/user/migration_templates/d6_user_contact_settings.yml b/core/modules/user/migration_templates/d6_user_contact_settings.yml
index 0d9a228..8d6ec89 100644
--- a/core/modules/user/migration_templates/d6_user_contact_settings.yml
+++ b/core/modules/user/migration_templates/d6_user_contact_settings.yml
@@ -8,6 +8,8 @@ source:
     key: contact
     module: contact
 process:
+  # If you are using this file to build a custom migration consider removing
+  # the uid field to allow incremental migrations.
   uid: uid
   key: 'constants/key'
   module: 'constants/module'
diff --git a/core/modules/user/migration_templates/d7_user.yml b/core/modules/user/migration_templates/d7_user.yml
index b72e8c7..3910659 100644
--- a/core/modules/user/migration_templates/d7_user.yml
+++ b/core/modules/user/migration_templates/d7_user.yml
@@ -6,6 +6,8 @@ class: Drupal\user\Plugin\migrate\User
 source:
   plugin: d7_user
 process:
+  # If you are using this file to build a custom migration consider removing
+  # the uid field to allow incremental migrations.
   uid: uid
   name: name
   pass: pass
