diff --git a/integration_tests/ci/test_scenarios.yml b/integration_tests/ci/test_scenarios.yml
index d391916..896ad8c 100644
--- a/integration_tests/ci/test_scenarios.yml
+++ b/integration_tests/ci/test_scenarios.yml
@@ -1,10 +1,13 @@
-# Only set if not using default adapter ranges
+# Only set these to override the default version ranges:
+# dbt_core_version: ">=1.3.0,<2.0.0"
+# dbt_core_version_v2: ">=2.0.0,<3.0.0"
 # dbt_adapter_versions:
 #   snowflake: ">=1.3.0,<2.0.0"
 #   bigquery: ">=1.3.0,<2.0.0"
 #   postgres: ">=1.3.0,<2.0.0"
 #   redshift: ">=1.3.0,<2.0.0"
-#   databricks: ">=1.6.0,<2.0.0"
+#   databricks: ">=1.3.0,<2.0.0"
+#   duckdb: ">=1.3.0,<2.0.0"
 
 schema_variable_name: "github_schema"
 
diff --git a/integration_tests/requirements.txt b/integration_tests/requirements.txt
deleted file mode 100644
index 7488175..0000000
--- a/integration_tests/requirements.txt
+++ /dev/null
@@ -1,9 +0,0 @@
-dbt-snowflake>=1.3.0,<2.0.0
-dbt-bigquery>=1.3.0,<2.0.0
-dbt-redshift>=1.3.0,<2.0.0
-dbt-postgres>=1.3.0,<2.0.0
-dbt-spark>=1.3.0,<2.0.0
-dbt-spark[PyHive]>=1.3.0,<2.0.0
-dbt-databricks>=1.3.0,<2.0.0
-dbt-duckdb>=1.3.0,<2.0.0
-certifi==2025.1.31
\ No newline at end of file