diff --git a/cmd/scw/testdata/test-all-usage-instance-security-group-create-usage.golden b/cmd/scw/testdata/test-all-usage-instance-security-group-create-usage.golden
index f7e07d0ba5..0edc9965e0 100644
--- a/cmd/scw/testdata/test-all-usage-instance-security-group-create-usage.golden
+++ b/cmd/scw/testdata/test-all-usage-instance-security-group-create-usage.golden
@@ -26,7 +26,7 @@ ARGS:
   [description]                      Description of the security group
   [project-id]                       Project ID to use. If none is passed the default project ID will be used
   [tags.{index}]                     Tags of the security group
-  [project-default=false]            Whether this security group becomes the default security group for new Instances
+  [project-default]                  Whether this security group becomes the default security group for new Instances
   [stateful=true]                    Whether the security group is stateful or not
   [inbound-default-policy=accept]    Default policy for inbound rules (unknown_policy | accept | drop)
   [outbound-default-policy=accept]   Default policy for outbound rules (unknown_policy | accept | drop)
@@ -35,7 +35,7 @@ ARGS:
   [zone=fr-par-1]                    Zone to target. If none is passed will use default zone from the config (fr-par-1 | fr-par-2 | fr-par-3 | nl-ams-1 | nl-ams-2 | nl-ams-3 | pl-waw-1 | pl-waw-2 | pl-waw-3)
 
 DEPRECATED ARGS:
-  [organization-default=false]   Defines whether this security group becomes the default security group for new Instances
+  [organization-default]   Defines whether this security group becomes the default security group for new Instances
 
 FLAGS:
   -h, --help   help for create
diff --git a/docs/commands/instance.md b/docs/commands/instance.md
index ce2d5ddefd..3fa6436e7a 100644
--- a/docs/commands/instance.md
+++ b/docs/commands/instance.md
@@ -1121,8 +1121,8 @@ scw instance security-group create [arg=value ...]
 | description |  | Description of the security group |
 | project-id |  | Project ID to use. If none is passed the default project ID will be used |
 | tags.{index} |  | Tags of the security group |
-| ~~organization-default~~ | Deprecated<br />Default: `false` | Defines whether this security group becomes the default security group for new Instances |
-| project-default | Default: `false` | Whether this security group becomes the default security group for new Instances |
+| ~~organization-default~~ | Deprecated | Defines whether this security group becomes the default security group for new Instances |
+| project-default |  | Whether this security group becomes the default security group for new Instances |
 | stateful | Default: `true` | Whether the security group is stateful or not |
 | inbound-default-policy | Default: `accept`<br />One of: `unknown_policy`, `accept`, `drop` | Default policy for inbound rules |
 | outbound-default-policy | Default: `accept`<br />One of: `unknown_policy`, `accept`, `drop` | Default policy for outbound rules |
diff --git a/internal/namespaces/instance/v1/instance_cli.go b/internal/namespaces/instance/v1/instance_cli.go
index 8ec84ef5f2..157540eda0 100644
--- a/internal/namespaces/instance/v1/instance_cli.go
+++ b/internal/namespaces/instance/v1/instance_cli.go
@@ -2108,7 +2108,6 @@ func instanceSecurityGroupCreate() *core.Command {
 				Required:   false,
 				Deprecated: true,
 				Positional: false,
-				Default:    core.DefaultValueSetter("false"),
 			},
 			{
 				Name:       "project-default",
@@ -2116,7 +2115,6 @@ func instanceSecurityGroupCreate() *core.Command {
 				Required:   false,
 				Deprecated: false,
 				Positional: false,
-				Default:    core.DefaultValueSetter("false"),
 			},
 			{
 				Name:       "stateful",