diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 39c51ce5f..9c53fba6c 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -252,8 +252,7 @@ OSTree simplified installer:
       - RUNNER:
           - openstack/rhel-8.6-nightly-x86_64-large
           - openstack/centos-stream-8-x86_64
-          # NOTE: coreos-installer not yet available in RHEL 9.0
-          # - openstack/rhel-9.0-nightly-x86_64
+          - openstack/rhel-9.0-nightly-x86_64
 
 OSTree raw image:
   stage: test
diff --git a/internal/distro/rhel90/distro.go b/internal/distro/rhel90/distro.go
index 5caec59e3..d1adde287 100644
--- a/internal/distro/rhel90/distro.go
+++ b/internal/distro/rhel90/distro.go
@@ -639,8 +639,7 @@ func newDistro(distroName string) distro.Distro {
 		exports:          []string{"bootiso"},
 	}
 
-	// edgeSimplifiedInstallerImgType := imageType{
-	_ = imageType{
+	edgeSimplifiedInstallerImgType := imageType{
 		name:        "edge-simplified-installer",
 		nameAliases: []string{"rhel-edge-simplified-installer"},
 		filename:    "simplified-installer.iso",
@@ -920,9 +919,8 @@ func newDistro(distroName string) distro.Distro {
 		exports:          []string{"bootiso"},
 	}
 
-	// NOTE: Edge simplified installer requires coreos-installer which isn't yet available in RHEL 9.0
-	x86_64.addImageTypes(qcow2ImgType, vhdImgType, vmdkImgType, openstackImgType, amiImgTypeX86_64, tarImgType, tarInstallerImgTypeX86_64, edgeCommitImgType, edgeInstallerImgType, edgeOCIImgType, edgeRawImgType) //, edgeSimplifiedInstallerImgType)
-	aarch64.addImageTypes(qcow2ImgType, openstackImgType, amiImgTypeAarch64, tarImgType, edgeCommitImgType, edgeInstallerImgType, edgeOCIImgType, edgeRawImgType)                                                   // , edgeSimplifiedInstallerImgType)
+	x86_64.addImageTypes(qcow2ImgType, vhdImgType, vmdkImgType, openstackImgType, amiImgTypeX86_64, tarImgType, tarInstallerImgTypeX86_64, edgeCommitImgType, edgeInstallerImgType, edgeOCIImgType, edgeRawImgType, edgeSimplifiedInstallerImgType)
+	aarch64.addImageTypes(qcow2ImgType, openstackImgType, amiImgTypeAarch64, tarImgType, edgeCommitImgType, edgeInstallerImgType, edgeOCIImgType, edgeRawImgType, edgeSimplifiedInstallerImgType)
 	ppc64le.addImageTypes(qcow2ImgType, tarImgType)
 	s390x.addImageTypes(qcow2ImgType, tarImgType)
 
diff --git a/internal/distro/rhel90/distro_test.go b/internal/distro/rhel90/distro_test.go
index d81f8872b..d0bb73ae3 100644
--- a/internal/distro/rhel90/distro_test.go
+++ b/internal/distro/rhel90/distro_test.go
@@ -459,7 +459,7 @@ func TestArchitecture_ListImageTypes(t *testing.T) {
 				"edge-container",
 				"edge-installer",
 				"edge-raw-image",
-				// "edge-simplified-installer",
+				"edge-simplified-installer",
 				"tar",
 				"image-installer",
 			},
@@ -474,7 +474,7 @@ func TestArchitecture_ListImageTypes(t *testing.T) {
 				"edge-commit",
 				"edge-container",
 				"edge-installer",
-				// "edge-simplified-installer",
+				"edge-simplified-installer",
 				"edge-raw-image",
 				"tar",
 			},