diff --git a/core/dbt/parser/manifest.py b/core/dbt/parser/manifest.py
index 6743bf5e6e7..a57e1fe6f5c 100644
--- a/core/dbt/parser/manifest.py
+++ b/core/dbt/parser/manifest.py
@@ -662,9 +662,10 @@ def check_for_microbatch_deprecations(self) -> None:
                     has_microbatch_model = True
                     break
 
-            if has_microbatch_model and self.manifest._microbatch_macro_is_core(
+            if has_microbatch_model and not self.manifest._microbatch_macro_is_core(
                 self.root_project.project_name
             ):
+                breakpoint()
                 dbt.deprecations.warn("microbatch-macro-outside-of-batches-deprecation")
 
     def load_and_parse_macros(self, project_parser_files):
diff --git a/tests/functional/microbatch/test_microbatch.py b/tests/functional/microbatch/test_microbatch.py
index b98ad38caa9..ee1b5ccd762 100644
--- a/tests/functional/microbatch/test_microbatch.py
+++ b/tests/functional/microbatch/test_microbatch.py
@@ -182,19 +182,16 @@ def test_use_custom_microbatch_strategy_by_default(
         project,
         deprecation_catcher: EventCatcher,
     ):
-        with mock.patch.object(
-            type(project.adapter), "valid_incremental_strategies", lambda _: []
-        ):
-            # Initial run
-            run_dbt(["run"])
+        # Initial run fires deprecation
+        run_dbt(["run"], callbacks=[deprecation_catcher.catch])
+        # Deprecation warning about custom microbatch macro fired
+        assert len(deprecation_catcher.caught_events) == 1
 
-            # Incremental run uses custom strategy
-            _, logs = run_dbt_and_capture(["run"])
-            assert "custom microbatch strategy" in logs
-            # The custom strategy wasn't used with batch functionality
-            assert "START batch" not in logs
-            # Deprecation warning about custom microbatch macro fired
-            assert len(deprecation_catcher.caught_events) == 0
+        # Incremental run uses custom strategy
+        _, logs = run_dbt_and_capture(["run"])
+        assert "custom microbatch strategy" in logs
+        # The custom strategy wasn't used with batch functionality
+        assert "START batch" not in logs
 
 
 class TestMicrobatchCustomUserStrategyProjectFlagTrueValid(BaseMicrobatchCustomUserStrategy):
@@ -208,7 +205,9 @@ def test_use_custom_microbatch_strategy_project_flag_true_invalid_incremental_st
         ):
             # Initial run
             with patch_microbatch_end_time("2020-01-03 13:57:00"):
-                run_dbt(["run"])
+                run_dbt(["run"], callbacks=[deprecation_catcher.catch])
+            # Deprecation warning about custom microbatch macro not fired
+            assert len(deprecation_catcher.caught_events) == 0
 
             # Incremental run uses custom strategy
             with patch_microbatch_end_time("2020-01-03 13:57:00"):
@@ -216,10 +215,9 @@ def test_use_custom_microbatch_strategy_project_flag_true_invalid_incremental_st
             assert "custom microbatch strategy" in logs
             # The custom strategy was used with batch functionality
             assert "START batch" in logs
-            # Deprecation warning about custom microbatch macro not fired
-            assert len(deprecation_catcher.caught_events) == 0
 
 
+# TODO: fix this test once adapter behaviour flag gating is fixed
 class TestMicrobatchCustomUserStrategyProjectFlagTrueInvalid(BaseMicrobatchCustomUserStrategy):
     def test_use_custom_microbatch_strategy_project_flag_true_invalid_incremental_strategy(
         self, project