diff --git a/src/test/modules/injection_points/injection_points.c b/src/test/modules/injection_points/injection_points.c
index 0f1af513673..ba282e3dcab 100644
--- a/src/test/modules/injection_points/injection_points.c
+++ b/src/test/modules/injection_points/injection_points.c
@@ -19,6 +19,7 @@
 
 #include "fmgr.h"
 #include "funcapi.h"
+#include "injection_points.h"
 #include "miscadmin.h"
 #include "nodes/pg_list.h"
 #include "nodes/value.h"
@@ -40,30 +41,6 @@ PG_MODULE_MAGIC;
 #define INJ_MAX_WAIT	8
 #define INJ_NAME_MAXLEN	64
 
-/*
- * Conditions related to injection points.  This tracks in shared memory the
- * runtime conditions under which an injection point is allowed to run,
- * stored as private_data when an injection point is attached, and passed as
- * argument to the callback.
- *
- * If more types of runtime conditions need to be tracked, this structure
- * should be expanded.
- */
-typedef enum InjectionPointConditionType
-{
-	INJ_CONDITION_ALWAYS = 0,	/* always run */
-	INJ_CONDITION_PID,			/* PID restriction */
-} InjectionPointConditionType;
-
-typedef struct InjectionPointCondition
-{
-	/* Type of the condition */
-	InjectionPointConditionType type;
-
-	/* ID of the process where the injection point is allowed to run */
-	int			pid;
-} InjectionPointCondition;
-
 /*
  * List of injection points stored in TopMemoryContext attached
  * locally to this process.
diff --git a/src/test/modules/injection_points/injection_points.h b/src/test/modules/injection_points/injection_points.h
new file mode 100644
index 00000000000..caabc4ffb32
--- /dev/null
+++ b/src/test/modules/injection_points/injection_points.h
@@ -0,0 +1,33 @@
+/*-------------------------------------------------------------------------
+ *
+ * injection_points.h
+ *		Definitions for the injection points module
+ *
+ * Portions Copyright (c) 1996-2026, PostgreSQL Global Development Group
+ * Portions Copyright (c) 1994, Regents of the University of California
+ *
+ * IDENTIFICATION
+ *	  src/test/modules/injection_points/injection_points.h
+ *
+ *-------------------------------------------------------------------------
+ */
+
+#ifndef INJECTION_POINTS_H
+#define INJECTION_POINTS_H
+
+typedef enum InjectionPointConditionType
+{
+	INJ_CONDITION_ALWAYS = 0,	/* always run */
+	INJ_CONDITION_PID,			/* PID restriction */
+} InjectionPointConditionType;
+
+typedef struct InjectionPointCondition
+{
+	/* Type of the condition */
+	InjectionPointConditionType type;
+
+	/* ID of the process where the injection point is allowed to run */
+	int			pid;
+} InjectionPointCondition;
+
+#endif							/* INJECTION_POINTS_H */