diff --git a/epan/dissectors/CMakeLists.txt b/epan/dissectors/CMakeLists.txt
index b3d00f8104..86e8c72340 100644
--- a/epan/dissectors/CMakeLists.txt
+++ b/epan/dissectors/CMakeLists.txt
@@ -299,7 +299,6 @@ set(DISSECTOR_PUBLIC_HEADERS
 	packet-dcerpc-budb.h
 	packet-dcerpc-butc.h
 	packet-dcerpc-dce122.h
-	packet-dcerpc-dcom.h
 	packet-dcerpc-dnsserver.h
 	packet-dcerpc-frsapi.h
 	packet-dcerpc-frsrpc.h
diff --git a/epan/dissectors/packet-dcerpc-dcom.h b/epan/dissectors/packet-dcerpc-dcom.h
deleted file mode 100644
index a030bde4dd..0000000000
--- a/epan/dissectors/packet-dcerpc-dcom.h
+++ /dev/null
@@ -1,68 +0,0 @@
-/* packet-dcerpc-dcom.h
- *
- * Wireshark - Network traffic analyzer
- * By Gerald Combs <gerald@wireshark.org>
- * Copyright 1998 Gerald Combs
- *
- * SPDX-License-Identifier: GPL-2.0-or-later
- */
-
-#ifndef __PACKET_DCERPC_DCOM_H__
-#define __PACKET_DCERPC_DCOM_H__
-
-typedef struct tagCOMVERSION
-    {
-        guint16 MajorVersion;
-        guint16 MinorVersion;
-    } COMVERSION;
-
-typedef struct tagORPC_EXTENT
-    {
-        e_guid_t id;
-        guint32 size;
-/*        guint8 data[];  */
-    } ORPC_EXTENT;
-
-typedef struct tagORPC_EXTENT_ARRAY
-    {
-        guint32 size;
-        guint32 reserved;
-        ORPC_EXTENT **extent;
-    } ORPC_EXTENT_ARRAY;
-
-typedef struct tagORPCTHIS {
-    COMVERSION version;
-    guint32 flags;
-    guint32 reserved1;
-    e_guid_t  cid;
-    ORPC_EXTENT_ARRAY *extensions;
- } ORPCTHIS;
-
-typedef struct tagMInterfacePointer {
-    guint32 ulCntData;
-/*  guint8 abData[];  */
- } MInterfacePointer,  *PMInterfacePointer;
-
-typedef struct tagORPCTHAT {
-    guint32 flags;
-    ORPC_EXTENT_ARRAY *extensions;
- } ORPCTHAT;
-
-typedef struct tagSTRINGBINDING {
-    unsigned short wTowerId;     /* Cannot be zero. */
-    unsigned short aNetworkAddr; /* Zero terminated. */
- } STRINGBINDING;
-
-typedef struct tagSECURITYBINDING {
-    unsigned short wAuthnSvc;  /* Cannot be zero. */
-    unsigned short wAuthzSvc;  /* Must not be zero. */
-    unsigned short aPrincName; /* Zero terminated. */
- }  SECURITYBINDING;
-
-typedef struct tagDUALSTRINGARRAY {
-    unsigned short wNumEntries;     /* Number of entries in array. */
-    unsigned short wSecurityOffset; /* Offset of security info. */
-/*  [size_is(wNumEntries)] unsigned short aStringArray[]; */
-    } DUALSTRINGARRAY;
-
-#endif /* packet-dcerpc-dcom.h */
diff --git a/epan/dissectors/packet-dcom.h b/epan/dissectors/packet-dcom.h
index 078f9cfe87..d72e1506c6 100644
--- a/epan/dissectors/packet-dcom.h
+++ b/epan/dissectors/packet-dcom.h
@@ -8,8 +8,8 @@
  * SPDX-License-Identifier: GPL-2.0-or-later
  */
 
-#ifndef __PACKET_DCERPC_DCOM_H
-#define __PACKET_DCERPC_DCOM_H
+#ifndef __PACKET_DCOM_H
+#define __PACKET_DCOM_H
 
 #include "ws_symbol_export.h"
 
@@ -217,4 +217,4 @@ WS_DLL_PUBLIC int
 dissect_dcom_simple_resp(tvbuff_t *tvb, int offset,
 	packet_info *pinfo, proto_tree *tree, dcerpc_info *di, guint8 *drep);
 
-#endif /* packet-dcerpc-dcom.h */
+#endif /* packet-dcom.h */