diff --git a/buildkite/scripts/debian/install.sh b/buildkite/scripts/debian/install.sh
index f4fd73b61b0..93313f4a2dd 100755
--- a/buildkite/scripts/debian/install.sh
+++ b/buildkite/scripts/debian/install.sh
@@ -47,6 +47,11 @@ else
   done
 fi
 
+debs_with_version=()
+for i in "${debs[@]}"; do
+   debs_with_version+=("${i}=${MINA_DEB_VERSION}")
+done
+
 # Install aptly
 $SUDO apt-get update 
 $SUDO apt-get install -y aptly
@@ -59,7 +64,8 @@ echo "Installing mina packages: $DEBS"
 echo "deb [trusted=yes] http://localhost:8080 $MINA_DEB_CODENAME unstable" | $SUDO tee /etc/apt/sources.list.d/mina.list
 
 $SUDO apt-get update --yes
-$SUDO apt-get install --yes --allow-downgrades "${debs[@]}"
+$SUDO apt-get remove --yes "${debs[@]}"
+$SUDO apt-get install --yes --allow-downgrades "${debs_with_version[@]}"
 
 
 
diff --git a/buildkite/src/Jobs/Lint/Merge.dhall b/buildkite/src/Jobs/Lint/Merge.dhall
index 44be58216ed..f02904fddae 100644
--- a/buildkite/src/Jobs/Lint/Merge.dhall
+++ b/buildkite/src/Jobs/Lint/Merge.dhall
@@ -48,10 +48,9 @@ Pipeline.build
         },
       Command.build
         Command.Config::{
-          commands = [ Cmd.run "buildkite/scripts/merges-cleanly.sh berkeley"]
-          , label = "Check merges cleanly into berkeley"
-          , key = "clean-merge-berkeley"
-          , soft_fail = Some (B/SoftFail.Boolean True)
+          commands = [ Cmd.run "buildkite/scripts/merges-cleanly.sh master"]
+          , label = "Check merges cleanly into master"
+          , key = "clean-merge-master"
           , target = Size.Small
           , docker = Some Docker::{
               image = (../../Constants/ContainerImages.dhall).toolchainBase
diff --git a/src/app/test_executive/verification_key_update.ml b/src/app/test_executive/verification_key_update.ml
index 651acff825c..987d11cb0b9 100644
--- a/src/app/test_executive/verification_key_update.ml
+++ b/src/app/test_executive/verification_key_update.ml
@@ -71,13 +71,9 @@ module Make (Inputs : Intf.Test.Inputs_intf) = struct
 
   type dsl = Dsl.t
 
-  let vk, prover =
-    let `VK vk, `Prover prover =
-      Transaction_snark.For_tests.create_trivial_snapp
-        ~constraint_constants:Genesis_constants.Constraint_constants.compiled ()
-    in
-    let vk = Async.Thread_safe.block_on_async_exn (fun () -> vk) in
-    (Async.Deferred.return vk, prover)
+  let `VK vk, `Prover prover =
+    Transaction_snark.For_tests.create_trivial_snapp
+      ~constraint_constants:Genesis_constants.Constraint_constants.compiled ()
 
   let config =
     let open Test_config in
@@ -159,7 +155,6 @@ module Make (Inputs : Intf.Test.Inputs_intf) = struct
     let%bind.Async.Deferred account_update2, _ =
       trivial_prover2 ~handler:Trivial_rule2.handler ()
     in
-    let zkapp_prover_and_vk = (prover, vk) in
 
     let update_vk (vk : Side_loaded_verification_key.t) : Account_update.t =
       let body (vk : Side_loaded_verification_key.t) : Account_update.Body.t =
@@ -396,22 +391,22 @@ module Make (Inputs : Intf.Test.Inputs_intf) = struct
       let%bind invalid_update_vk_perm_proof =
         Malleable_error.lift
         @@ Transaction_snark.For_tests.update_states ~constraint_constants
-             ~zkapp_prover_and_vk spec_invalid_proof
+             spec_invalid_proof
       in
       let%bind invalid_update_vk_perm_impossible =
         Malleable_error.lift
         @@ Transaction_snark.For_tests.update_states ~constraint_constants
-             ~zkapp_prover_and_vk spec_invalid_impossible
+             spec_invalid_impossible
       in
       let%bind update_vk_perm_proof =
         Malleable_error.lift
         @@ Transaction_snark.For_tests.update_states ~constraint_constants
-             ~zkapp_prover_and_vk spec_proof
+             spec_proof
       in
       let%map update_vk_perm_impossible =
         Malleable_error.lift
         @@ Transaction_snark.For_tests.update_states ~constraint_constants
-             ~zkapp_prover_and_vk spec_impossible
+             spec_impossible
       in
       ( invalid_update_vk_perm_proof
       , invalid_update_vk_perm_impossible
@@ -464,17 +459,17 @@ module Make (Inputs : Intf.Test.Inputs_intf) = struct
       let%bind failed_update_vk_signature_1 =
         Malleable_error.lift
         @@ Transaction_snark.For_tests.update_states ~constraint_constants
-             ~zkapp_prover_and_vk spec_failed_signature_1
+             spec_failed_signature_1
       in
       let%bind failed_update_vk_signature_2 =
         Malleable_error.lift
         @@ Transaction_snark.For_tests.update_states ~constraint_constants
-             ~zkapp_prover_and_vk spec_failed_signature_2
+             spec_failed_signature_2
       in
       let%map update_vk_proof =
         Malleable_error.lift
         @@ Transaction_snark.For_tests.update_states ~constraint_constants
-             ~zkapp_prover_and_vk spec_proof
+             spec_proof
       in
       ( failed_update_vk_signature_1
       , failed_update_vk_signature_2