diff --git a/acceptance/bundle/resources/postgres_endpoints/basic/out.requests.terraform.json b/acceptance/bundle/resources/postgres_endpoints/basic/out.requests.terraform.json
deleted file mode 100644
index 90fcc42649..0000000000
--- a/acceptance/bundle/resources/postgres_endpoints/basic/out.requests.terraform.json
+++ /dev/null
@@ -1,51 +0,0 @@
-{
-  "method": "POST",
-  "path": "/api/2.0/postgres/projects",
-  "q": {
-    "project_id": "test-pg-proj-[UNIQUE_NAME]"
-  },
-  "body": {
-    "spec": {
-      "default_endpoint_settings": {
-        "autoscaling_limit_max_cu": 4,
-        "autoscaling_limit_min_cu": 0.5,
-        "suspend_timeout_duration": "300s"
-      },
-      "display_name": "Test Project for Endpoint",
-      "history_retention_duration": "604800s",
-      "pg_version": 16
-    }
-  }
-}
-{
-  "method": "POST",
-  "path": "/api/2.0/postgres/projects/test-pg-proj-[UNIQUE_NAME]/branches",
-  "q": {
-    "branch_id": "main"
-  },
-  "body": {
-    "parent": "projects/test-pg-proj-[UNIQUE_NAME]",
-    "spec": {
-      "no_expiry": true
-    }
-  }
-}
-{
-  "method": "POST",
-  "path": "/api/2.0/postgres/projects/test-pg-proj-[UNIQUE_NAME]/branches/main/endpoints",
-  "q": {
-    "endpoint_id": "custom"
-  },
-  "body": {
-    "parent": "projects/test-pg-proj-[UNIQUE_NAME]/branches/main",
-    "spec": {
-      "autoscaling_limit_max_cu": 2,
-      "autoscaling_limit_min_cu": 0.5,
-      "endpoint_type": "ENDPOINT_TYPE_READ_ONLY"
-    }
-  }
-}
-{
-  "method": "GET",
-  "path": "/api/2.0/postgres/projects/test-pg-proj-[UNIQUE_NAME]/branches/main/endpoints/custom"
-}
diff --git a/acceptance/bundle/resources/postgres_endpoints/basic/out.test.toml b/acceptance/bundle/resources/postgres_endpoints/basic/out.test.toml
index 7035e08bad..f3d5b03e2e 100644
--- a/acceptance/bundle/resources/postgres_endpoints/basic/out.test.toml
+++ b/acceptance/bundle/resources/postgres_endpoints/basic/out.test.toml
@@ -7,4 +7,4 @@ RequiresUnityCatalog = true
   gcp = false
 
 [EnvMatrix]
-  DATABRICKS_BUNDLE_ENGINE = ["direct", "terraform"]
+  DATABRICKS_BUNDLE_ENGINE = ["direct"]
diff --git a/acceptance/bundle/resources/postgres_endpoints/basic/test.toml b/acceptance/bundle/resources/postgres_endpoints/basic/test.toml
index f8b3bbe49d..ff6cbed8bf 100644
--- a/acceptance/bundle/resources/postgres_endpoints/basic/test.toml
+++ b/acceptance/bundle/resources/postgres_endpoints/basic/test.toml
@@ -1 +1,4 @@
-# All configuration inherited from parent test.toml
+# Skip terraform variant: TF provider doesn't retry on 409 "endpoint reconciliation
+# in progress" during delete. Tracked in:
+# https://github.com/databricks/terraform-provider-databricks/issues/5482
+EnvMatrix.DATABRICKS_BUNDLE_ENGINE = ["direct"]
diff --git a/acceptance/bundle/resources/postgres_projects/update_display_name/out.plan.create.terraform.json b/acceptance/bundle/resources/postgres_projects/update_display_name/out.plan.create.terraform.json
deleted file mode 100644
index b4425b9687..0000000000
--- a/acceptance/bundle/resources/postgres_projects/update_display_name/out.plan.create.terraform.json
+++ /dev/null
@@ -1,3 +0,0 @@
-{
-  "action": "create"
-}
diff --git a/acceptance/bundle/resources/postgres_projects/update_display_name/out.plan.no_change.terraform.json b/acceptance/bundle/resources/postgres_projects/update_display_name/out.plan.no_change.terraform.json
deleted file mode 100644
index b2f23a5015..0000000000
--- a/acceptance/bundle/resources/postgres_projects/update_display_name/out.plan.no_change.terraform.json
+++ /dev/null
@@ -1,3 +0,0 @@
-{
-  "action": "skip"
-}
diff --git a/acceptance/bundle/resources/postgres_projects/update_display_name/out.plan.restore.terraform.json b/acceptance/bundle/resources/postgres_projects/update_display_name/out.plan.restore.terraform.json
deleted file mode 100644
index 375b496fef..0000000000
--- a/acceptance/bundle/resources/postgres_projects/update_display_name/out.plan.restore.terraform.json
+++ /dev/null
@@ -1,3 +0,0 @@
-{
-  "action": "update"
-}
diff --git a/acceptance/bundle/resources/postgres_projects/update_display_name/out.plan.update.terraform.json b/acceptance/bundle/resources/postgres_projects/update_display_name/out.plan.update.terraform.json
deleted file mode 100644
index 375b496fef..0000000000
--- a/acceptance/bundle/resources/postgres_projects/update_display_name/out.plan.update.terraform.json
+++ /dev/null
@@ -1,3 +0,0 @@
-{
-  "action": "update"
-}
diff --git a/acceptance/bundle/resources/postgres_projects/update_display_name/out.requests.create.terraform.json b/acceptance/bundle/resources/postgres_projects/update_display_name/out.requests.create.terraform.json
deleted file mode 100644
index c9d08e089b..0000000000
--- a/acceptance/bundle/resources/postgres_projects/update_display_name/out.requests.create.terraform.json
+++ /dev/null
@@ -1,19 +0,0 @@
-{
-  "method": "POST",
-  "path": "/api/2.0/postgres/projects",
-  "q": {
-    "project_id": "test-pg-proj-[UNIQUE_NAME]"
-  },
-  "body": {
-    "spec": {
-      "default_endpoint_settings": {
-        "autoscaling_limit_max_cu": 4,
-        "autoscaling_limit_min_cu": 0.5,
-        "suspend_timeout_duration": "300s"
-      },
-      "display_name": "Original Name",
-      "history_retention_duration": "604800s",
-      "pg_version": 16
-    }
-  }
-}
diff --git a/acceptance/bundle/resources/postgres_projects/update_display_name/out.requests.no_change.terraform.json b/acceptance/bundle/resources/postgres_projects/update_display_name/out.requests.no_change.terraform.json
deleted file mode 100644
index 1d6880d333..0000000000
--- a/acceptance/bundle/resources/postgres_projects/update_display_name/out.requests.no_change.terraform.json
+++ /dev/null
@@ -1,4 +0,0 @@
-{
-  "method": "GET",
-  "path": "/api/2.0/postgres/[MY_PROJECT_ID]"
-}
diff --git a/acceptance/bundle/resources/postgres_projects/update_display_name/out.requests.restore.terraform.json b/acceptance/bundle/resources/postgres_projects/update_display_name/out.requests.restore.terraform.json
deleted file mode 100644
index 85a5668aa3..0000000000
--- a/acceptance/bundle/resources/postgres_projects/update_display_name/out.requests.restore.terraform.json
+++ /dev/null
@@ -1,24 +0,0 @@
-{
-  "method": "GET",
-  "path": "/api/2.0/postgres/[MY_PROJECT_ID]"
-}
-{
-  "method": "PATCH",
-  "path": "/api/2.0/postgres/[MY_PROJECT_ID]",
-  "q": {
-    "update_mask": "initial_endpoint_spec,spec"
-  },
-  "body": {
-    "name": "[MY_PROJECT_ID]",
-    "spec": {
-      "default_endpoint_settings": {
-        "autoscaling_limit_max_cu": 4,
-        "autoscaling_limit_min_cu": 0.5,
-        "suspend_timeout_duration": "300s"
-      },
-      "display_name": "Original Name",
-      "history_retention_duration": "604800s",
-      "pg_version": 16
-    }
-  }
-}
diff --git a/acceptance/bundle/resources/postgres_projects/update_display_name/out.requests.update.terraform.json b/acceptance/bundle/resources/postgres_projects/update_display_name/out.requests.update.terraform.json
deleted file mode 100644
index daa3b4c7d9..0000000000
--- a/acceptance/bundle/resources/postgres_projects/update_display_name/out.requests.update.terraform.json
+++ /dev/null
@@ -1,24 +0,0 @@
-{
-  "method": "GET",
-  "path": "/api/2.0/postgres/[MY_PROJECT_ID]"
-}
-{
-  "method": "PATCH",
-  "path": "/api/2.0/postgres/[MY_PROJECT_ID]",
-  "q": {
-    "update_mask": "initial_endpoint_spec,spec"
-  },
-  "body": {
-    "name": "[MY_PROJECT_ID]",
-    "spec": {
-      "default_endpoint_settings": {
-        "autoscaling_limit_max_cu": 4,
-        "autoscaling_limit_min_cu": 0.5,
-        "suspend_timeout_duration": "300s"
-      },
-      "display_name": "Updated Name",
-      "history_retention_duration": "604800s",
-      "pg_version": 16
-    }
-  }
-}
diff --git a/acceptance/bundle/resources/postgres_projects/update_display_name/out.test.toml b/acceptance/bundle/resources/postgres_projects/update_display_name/out.test.toml
index 7035e08bad..f3d5b03e2e 100644
--- a/acceptance/bundle/resources/postgres_projects/update_display_name/out.test.toml
+++ b/acceptance/bundle/resources/postgres_projects/update_display_name/out.test.toml
@@ -7,4 +7,4 @@ RequiresUnityCatalog = true
   gcp = false
 
 [EnvMatrix]
-  DATABRICKS_BUNDLE_ENGINE = ["direct", "terraform"]
+  DATABRICKS_BUNDLE_ENGINE = ["direct"]
diff --git a/acceptance/bundle/resources/postgres_projects/update_display_name/test.toml b/acceptance/bundle/resources/postgres_projects/update_display_name/test.toml
index f8b3bbe49d..bbc6e22fd4 100644
--- a/acceptance/bundle/resources/postgres_projects/update_display_name/test.toml
+++ b/acceptance/bundle/resources/postgres_projects/update_display_name/test.toml
@@ -1 +1,4 @@
-# All configuration inherited from parent test.toml
+# Skip terraform variant: TF provider includes invalid 'initial_endpoint_spec' in
+# update_mask, causing "Unknown field path" error. Tracked in:
+# https://github.com/databricks/terraform-provider-databricks/issues/5481
+EnvMatrix.DATABRICKS_BUNDLE_ENGINE = ["direct"]