diff --git a/src/test/modules/gin/Makefile b/src/test/modules/gin/Makefile
index a7731b7fa1..81ca6bfe35 100644
--- a/src/test/modules/gin/Makefile
+++ b/src/test/modules/gin/Makefile
@@ -4,6 +4,9 @@ EXTRA_INSTALL = src/test/modules/injection_points
 
 REGRESS = gin_incomplete_splits
 
+# The injection points are cluster-wide, so disable installcheck
+NO_INSTALLCHECK = 1
+
 ifdef USE_PGXS
 PG_CONFIG = pg_config
 PGXS := $(shell $(PG_CONFIG) --pgxs)
diff --git a/src/test/modules/gin/meson.build b/src/test/modules/gin/meson.build
index 9734b51de2..5ec0760a27 100644
--- a/src/test/modules/gin/meson.build
+++ b/src/test/modules/gin/meson.build
@@ -12,5 +12,7 @@ tests += {
     'sql': [
       'gin_incomplete_splits',
     ],
+    # The injection points are cluster-wide, so disable installcheck
+    'runningcheck': false,
   },
 }
diff --git a/src/test/modules/injection_points/Makefile b/src/test/modules/injection_points/Makefile
index 2cbbae4e0a..4248671513 100644
--- a/src/test/modules/injection_points/Makefile
+++ b/src/test/modules/injection_points/Makefile
@@ -8,6 +8,9 @@ PGFILEDESC = "injection_points - facility for injection points"
 
 REGRESS = injection_points
 
+# The injection points are cluster-wide, so disable installcheck
+NO_INSTALLCHECK = 1
+
 ifdef USE_PGXS
 PG_CONFIG = pg_config
 PGXS := $(shell $(PG_CONFIG) --pgxs)
diff --git a/src/test/modules/injection_points/meson.build b/src/test/modules/injection_points/meson.build
index ee37573f2a..a29217f75f 100644
--- a/src/test/modules/injection_points/meson.build
+++ b/src/test/modules/injection_points/meson.build
@@ -33,5 +33,7 @@ tests += {
     'sql': [
       'injection_points',
     ],
+    # The injection points are cluster-wide, so disable installcheck
+    'runningcheck': false,
   },
 }