diff --git a/ui/export_pdu_ui_utils.c b/ui/export_pdu_ui_utils.c
index bb48e2a0e5..2cd710c5b5 100644
--- a/ui/export_pdu_ui_utils.c
+++ b/ui/export_pdu_ui_utils.c
@@ -13,7 +13,6 @@
 #include "config.h"
 
 #include "globals.h"
-#include "wiretap/pcap-encap.h"
 #include "wsutil/os_version_info.h"
 #include "wsutil/tempfile.h"
 #include "version_info.h"
diff --git a/wiretap/erf.c b/wiretap/erf.c
index bd3a91aab5..878cfc1c3b 100644
--- a/wiretap/erf.c
+++ b/wiretap/erf.c
@@ -33,7 +33,6 @@
 
 #include "wtap-int.h"
 #include "file_wrappers.h"
-#include "pcap-encap.h"
 #include "erf.h"
 #include "erf_record.h"
 #include "erf-common.h"
diff --git a/wiretap/file_access.c b/wiretap/file_access.c
index d74c746587..bce398dc5b 100644
--- a/wiretap/file_access.c
+++ b/wiretap/file_access.c
@@ -76,7 +76,6 @@
 #include "camins.h"
 #include "stanag4607.h"
 #include "capsa.h"
-#include "pcap-encap.h"
 #include "nettrace_3gpp_32_423.h"
 #include "mplog.h"
 #include "dpa400.h"
diff --git a/wiretap/nettrace_3gpp_32_423.c b/wiretap/nettrace_3gpp_32_423.c
index 5ca10ef52d..23c0276674 100644
--- a/wiretap/nettrace_3gpp_32_423.c
+++ b/wiretap/nettrace_3gpp_32_423.c
@@ -23,7 +23,6 @@
 
 #include "wtap-int.h"
 #include "file_wrappers.h"
-#include "pcap-encap.h"
 
 #include <epan/exported_pdu.h>
 #include <wsutil/buffer.h>