diff --git a/manifests/init.pp b/manifests/init.pp
index 946e06bc..3209ba38 100644
--- a/manifests/init.pp
+++ b/manifests/init.pp
@@ -33,7 +33,7 @@
 #  [*image_name_alt*]
 #   Defaults to undef
 #  [*glance_v1*]
-#   Defaults to true
+#   Defaults to false
 #  [*glance_v2*]
 #   Defaults to true
 #  [*configure_networks*]
@@ -243,7 +243,7 @@ class tempest(
   $configure_images                 = true,
   $image_name                       = undef,
   $image_name_alt                   = undef,
-  $glance_v1                        = true,
+  $glance_v1                        = false,
   $glance_v2                        = true,
 
   # Neutron network config
diff --git a/releasenotes/notes/disable-glance-api-v1-010c242db47cfabb.yaml b/releasenotes/notes/disable-glance-api-v1-010c242db47cfabb.yaml
new file mode 100644
index 00000000..dd7b6e15
--- /dev/null
+++ b/releasenotes/notes/disable-glance-api-v1-010c242db47cfabb.yaml
@@ -0,0 +1,5 @@
+---
+fixes:
+  - |
+    The ``[image-feature-enabled] api_v1`` parameter is now set to ``False`` by
+    default.
diff --git a/spec/classes/tempest_init_spec.rb b/spec/classes/tempest_init_spec.rb
index e31990b2..bf68e343 100644
--- a/spec/classes/tempest_init_spec.rb
+++ b/spec/classes/tempest_init_spec.rb
@@ -235,7 +235,7 @@ describe 'tempest' do
           is_expected.to contain_tempest_config('identity/disable_ssl_certificate_validation').with(:value => nil)
           is_expected.to contain_tempest_config('identity-feature-enabled/api_v2').with(:value => '<SERVICE DEFAULT>')
           is_expected.to contain_tempest_config('identity-feature-enabled/api_v3').with(:value => true)
-          is_expected.to contain_tempest_config('image-feature-enabled/api_v1').with(:value => true)
+          is_expected.to contain_tempest_config('image-feature-enabled/api_v1').with(:value => false)
           is_expected.to contain_tempest_config('image-feature-enabled/api_v2').with(:value => true)
           is_expected.to contain_tempest_config('l2gw/l2gw_switch').with(:value => nil)
           is_expected.to contain_tempest_config('network-feature-enabled/api_extensions').with(:value => nil)