diff --git a/.github/workflows/build_nightly.yaml b/.github/workflows/build_nightly.yaml
index 11080fa1..6e96d591 100644
--- a/.github/workflows/build_nightly.yaml
+++ b/.github/workflows/build_nightly.yaml
@@ -2,15 +2,16 @@
 #
 # SPDX-License-Identifier: MIT OR Apache-2.0 WITH LLVM-exception
 
-# Build and test Kokkos FFT using Docker and Singularity images. Pre-generated
-# images are pulled from Github registry; they are updated only if the current
-# PR or commit modified the Docker files.
+# Build Kokkos FFT using Docker images. Kokkos on develop branch is cloned and
+# used.
 
 name: Nightly tests
 
 on:
   schedule:
     cron: "0 1 * * 1-5" # every weekday at 1am
+  # FIXME remove before merging
+  pull_request:
 
 env:
   # Force the use of BuildKit for Docker
diff --git a/.github/workflows/build_test.yaml b/.github/workflows/build_test.yaml
index ff649d31..18749c1d 100644
--- a/.github/workflows/build_test.yaml
+++ b/.github/workflows/build_test.yaml
@@ -9,9 +9,11 @@
 name: CI
 
 on:
-  pull_request:
-    branches:
-      - main
+  # FIXME remove berfore merging
+  workflow_dispatch:
+  # pull_request:
+  #   branches:
+  #     - main
 
 env:
   # Force the use of BuildKit for Docker