diff --git a/common/config.go b/common/config.go
index dceccf2..7e61fef 100644
--- a/common/config.go
+++ b/common/config.go
@@ -54,6 +54,7 @@ type ReviewGroup struct {
 type QAConfig struct {
 	Name   string
 	Origin string
+	BuildDisableRepos []string // which repos to build disable in the new project
 }
 
 type Permissions struct {
diff --git a/obs-staging-bot/README.md b/obs-staging-bot/README.md
index 727ce42..ff20c0e 100644
--- a/obs-staging-bot/README.md
+++ b/obs-staging-bot/README.md
@@ -34,7 +34,8 @@ It's a JSON file with following syntax:
  "QA": [
    {
      "Name": "SLES",
-     "Origin": "SUSE:SLFO:Products:SLES:16.0"
+     "Origin": "SUSE:SLFO:Products:SLES:16.0",
+     "BuildDisableRepos": ["product"]
    }
  ]
 }
@@ -47,6 +48,7 @@ It's a JSON file with following syntax:
 | *QA* | Crucial for generating a product build (such as an ISO or FTP tree) that incorporates the packages. | no | array of objects | | |
 | *QA > Name* | Suffix for the QA OBS staging project. The project is named *StagingProject:<PR_Number>:Name*. | no | string | | |
 | *QA > Origin* | OBS reference project | no | string | | |
+| *QA > BuildDisableRepos* | The names of OBS repositories to build-disable, if any. | no | array of strings | | [] |
 
 
 Details
@@ -65,6 +67,6 @@ Details
 * **PrjGit PR - QA staging project**
   * The QA staging project is meant for building the product; the relative build config is inherited from the `QA > Origin` project.
   * In this case, the **scmsync** tag is inherited from the `QA > Origin` project.
-
-
+  * It is desirable in some cases to avoid building some specific build service repositories when not needed. In this case, `QA > BuildDisableRepos` can be specified.
+    These repositories would be disabled in the project meta when generating the QA project.
 
diff --git a/obs-staging-bot/main.go b/obs-staging-bot/main.go
index fd14c37..ccd13c6 100644
--- a/obs-staging-bot/main.go
+++ b/obs-staging-bot/main.go
@@ -109,6 +109,11 @@ const (
 	BuildStatusSummaryUnknown  = 4
 )
 
+type DisableFlag struct {
+	XMLName string `xml:"disable"`
+	Name    string `xml:"repository,attr"`
+}
+
 func ProcessBuildStatus(project, refProject *common.BuildResultList) BuildStatusSummary {
 	if _, finished := refProject.BuildResultSummary(); !finished {
 		common.LogDebug("refProject not finished building??")
@@ -377,7 +382,7 @@ func GenerateObsPrjMeta(git common.Git, gitea common.Gitea, pr *models.PullReque
 // stagingProject:$buildProject
 //  ^-  stagingProject:$buildProject:$subProjectName (based on templateProject)
 
-func CreateQASubProject(stagingConfig *common.StagingConfig, git common.Git, gitea common.Gitea, pr *models.PullRequest, stagingProject, templateProject, subProjectName string) error {
+func CreateQASubProject(stagingConfig *common.StagingConfig, git common.Git, gitea common.Gitea, pr *models.PullRequest, stagingProject, templateProject, subProjectName string, buildDisableRepos []string) error {
 	common.LogDebug("Setup QA sub projects")
 	templateMeta, err := ObsClient.GetProjectMeta(templateProject)
 	if err != nil {
@@ -407,7 +412,21 @@ func CreateQASubProject(stagingConfig *common.StagingConfig, git common.Git, git
 		repository.Fragment  = branch.SHA
 		templateMeta.ScmSync = repository.String()
 		common.LogDebug("Setting scmsync url to ", templateMeta.ScmSync)
-        }
+	}
+	// Build-disable repositories if asked
+	if len(buildDisableRepos) > 0 {
+		toDisable := make([]DisableFlag, len(buildDisableRepos))
+		for idx, repositoryName := range buildDisableRepos {
+			toDisable[idx] = DisableFlag{Name: repositoryName}
+		}
+
+		output, err := xml.Marshal(toDisable)
+		if err != nil {
+			common.LogError("error while marshalling, skipping BuildDisableRepos: ", err)
+		} else {
+			templateMeta.BuildFlags.Contents += string(output)
+		}
+	}
 	// Cleanup ReleaseTarget and modify affected path entries
 	for idx, r := range templateMeta.Repositories {
 		templateMeta.Repositories[idx].ReleaseTargets = nil
@@ -922,7 +941,8 @@ func ProcessPullRequest(gitea common.Gitea, org, repo string, id int64) (bool, e
 				CreateQASubProject(stagingConfig, git, gitea, pr,
 					stagingProject,
 					setup.Origin,
-					setup.Name)
+					setup.Name,
+					setup.BuildDisableRepos)
 				msg = msg + ObsWebHost + "/project/show/" +
 					stagingProject + ":" + setup.Name + "\n"
 			}