diff --git a/service/lib/agama/software/manager.rb b/service/lib/agama/software/manager.rb
index ba3881b7fc..1414ecc0d8 100644
--- a/service/lib/agama/software/manager.rb
+++ b/service/lib/agama/software/manager.rb
@@ -201,10 +201,16 @@ def install
 
       # Writes the repositories information to the installed system
       def finish
+        # remove the dir:///run/initramfs/live/install repository and similar
+        remove_local_repos
         Yast::Pkg.SourceSaveAll
         Yast::Pkg.TargetFinish
         # copy the libzypp caches to the target
-        copy_zypp_to_target
+        if Agama::Software::Repository.all.empty?
+          logger.info("No repository defined, not copying the libzypp caches")
+        else
+          copy_zypp_to_target
+        end
         registration.finish
       end
 
@@ -700,6 +706,11 @@ def update_repositories(new_product)
           Yast::Pkg.SourceSaveAll
         end
       end
+
+      # remove all local repositories
+      def remove_local_repos
+        Agama::Software::Repository.all.select(&:local?).each(&:delete!)
+      end
     end
   end
 end
diff --git a/service/package/rubygem-agama-yast.changes b/service/package/rubygem-agama-yast.changes
index 234b7cb787..3d542f157b 100644
--- a/service/package/rubygem-agama-yast.changes
+++ b/service/package/rubygem-agama-yast.changes
@@ -1,3 +1,10 @@
+-------------------------------------------------------------------
+Wed Feb  5 14:32:29 UTC 2025 - Ladislav Slezák <lslezak@suse.com>
+
+- Disable the local media in the installed system, esp. the
+  offline repository with URL dir:///run/initramfs/live/install
+  (bsc#1236813)
+
 -------------------------------------------------------------------
 Wed Jan 29 16:28:32 UTC 2025 - Josef Reidinger <jreidinger@suse.com>
 
diff --git a/service/test/agama/software/manager_test.rb b/service/test/agama/software/manager_test.rb
index e5583c017c..f3551e9429 100644
--- a/service/test/agama/software/manager_test.rb
+++ b/service/test/agama/software/manager_test.rb
@@ -89,6 +89,7 @@
     allow(Yast::Pkg).to receive(:TargetFinish)
     allow(Yast::Pkg).to receive(:TargetLoad)
     allow(Yast::Pkg).to receive(:SourceSaveAll)
+    allow(Yast::Pkg).to receive(:SourceDelete)
     allow(Yast::Pkg).to receive(:ImportGPGKey)
     # allow glob to work for other calls
     allow(Dir).to receive(:glob).and_call_original
@@ -383,6 +384,15 @@
     end
 
     it "copies the libzypp cache and credentials to the target system" do
+      allow(Agama::Software::Repository).to receive(:all).and_return(
+        [
+          Agama::Software::Repository.new(
+            repo_id: 42, repo_alias: "alias", name: "name",
+            url: "http://example.com", enabled: true, autorefresh: false
+          )
+        ]
+      )
+
       allow(Dir).to receive(:exist?).and_call_original
       allow(Dir).to receive(:entries).and_call_original
 
@@ -435,6 +445,34 @@
 
       subject.finish
     end
+
+    context "only a local repository is used" do
+      let(:repo_id) { 42 }
+      before do
+        expect(Agama::Software::Repository).to receive(:all).and_return(
+          [
+            Agama::Software::Repository.new(
+              repo_id: repo_id, repo_alias: "alias", name: "name",
+              url: "dir:///run/initramfs/live/install", enabled: true, autorefresh: false
+            )
+          ],
+          # for the second and further calls return empty list, the repo has been removed
+          []
+        )
+      end
+
+      it "removes the local repository" do
+        expect(Yast::Pkg).to receive(:SourceDelete).with(repo_id)
+
+        subject.finish
+      end
+
+      it "does not copy the libzypp cache" do
+        expect(subject).to_not receive(:copy_zypp_to_target)
+
+        subject.finish
+      end
+    end
   end
 
   describe "#package_installed?" do