diff --git a/src/test/modules/gin/expected/gin_incomplete_splits.out b/src/test/modules/gin/expected/gin_incomplete_splits.out
index 15574e547ac..0f3ac9a0466 100644
--- a/src/test/modules/gin/expected/gin_incomplete_splits.out
+++ b/src/test/modules/gin/expected/gin_incomplete_splits.out
@@ -192,3 +192,4 @@ SELECT injection_points_detach('gin-finish-incomplete-split');
  
 (1 row)
 
+drop extension injection_points;
diff --git a/src/test/modules/gin/sql/gin_incomplete_splits.sql b/src/test/modules/gin/sql/gin_incomplete_splits.sql
index ebf0f620f0c..d451257c275 100644
--- a/src/test/modules/gin/sql/gin_incomplete_splits.sql
+++ b/src/test/modules/gin/sql/gin_incomplete_splits.sql
@@ -148,3 +148,5 @@ select insert_n(:next_i, 10) as next_i
 select verify(:next_i);
 
 SELECT injection_points_detach('gin-finish-incomplete-split');
+
+drop extension injection_points;
diff --git a/src/test/modules/typcache/expected/typcache_rel_type_cache.out b/src/test/modules/typcache/expected/typcache_rel_type_cache.out
index a91bd72b9bd..54c61602d08 100644
--- a/src/test/modules/typcache/expected/typcache_rel_type_cache.out
+++ b/src/test/modules/typcache/expected/typcache_rel_type_cache.out
@@ -39,3 +39,4 @@ SELECT '(1,2)'::t;
  (1,2)
 (1 row)
 
+DROP EXTENSION injection_points;
diff --git a/src/test/modules/typcache/sql/typcache_rel_type_cache.sql b/src/test/modules/typcache/sql/typcache_rel_type_cache.sql
index c1a3af509c0..f004a31c32a 100644
--- a/src/test/modules/typcache/sql/typcache_rel_type_cache.sql
+++ b/src/test/modules/typcache/sql/typcache_rel_type_cache.sql
@@ -19,3 +19,5 @@ SELECT '(1)'::t;
 SELECT injection_points_detach('typecache-before-rel-type-cache-insert');
 ALTER TABLE t ADD COLUMN j int;
 SELECT '(1,2)'::t;
+
+DROP EXTENSION injection_points;