diff --git a/src/engine/fileOps/fileOpsCommon.h b/src/engine/fileOps/fileOpsCommon.h
index 306166c55..d3821bf3b 100644
--- a/src/engine/fileOps/fileOpsCommon.h
+++ b/src/engine/fileOps/fileOpsCommon.h
@@ -63,3 +63,34 @@ enum DivFurVariants: int {
   DIV_FUR_VARIANT_VANILLA=0,
   DIV_FUR_VARIANT_B=1,
 };
+
+// MIDI-related
+struct midibank_t {
+  String name;
+  uint8_t bankMsb,
+          bankLsb;
+};
+
+// Reused patch data structures
+
+// SBI and some other OPL containers
+
+struct sbi_t {
+  uint8_t Mcharacteristics,
+          Ccharacteristics,
+          Mscaling_output,
+          Cscaling_output,
+          Meg_AD,
+          Ceg_AD,
+          Meg_SR,
+          Ceg_SR,
+          Mwave,
+          Cwave,
+          FeedConnect;
+};
+
+//bool stringNotBlank(String& str);
+// detune needs extra translation from register to furnace format
+//uint8_t fmDtRegisterToFurnace(uint8_t&& dtNative);
+
+//void readSbiOpData(sbi_t& sbi, SafeReader& reader);
diff --git a/src/engine/fileOps/importExport.h b/src/engine/fileOps/importExport.h
deleted file mode 100644
index 5433c7445..000000000
--- a/src/engine/fileOps/importExport.h
+++ /dev/null
@@ -1,45 +0,0 @@
-/**
- * Furnace Tracker - multi-system chiptune tracker
- * Copyright (C) 2021-2024 tildearrow and contributors
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License along
- * with this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
- */
-
-#pragma once
-
-#include "../dataErrors.h"
-#include "../engine.h"
-#include "../../ta-log.h"
-#include "../instrument.h"
-#include "../song.h"
-#include <zlib.h>
-#include <fmt/printf.h>
-
-#define DIV_READ_SIZE 131072
-#define DIV_DMF_MAGIC ".DelekDefleMask."
-#define DIV_FUR_MAGIC "-Furnace module-"
-#define DIV_FTM_MAGIC "FamiTracker Module"
-#define DIV_DN_FTM_MAGIC "Dn-FamiTracker Module"
-#define DIV_FC13_MAGIC "SMOD"
-#define DIV_FC14_MAGIC "FC14"
-#define DIV_S3M_MAGIC "SCRM"
-#define DIV_XM_MAGIC "Extended Module: "
-#define DIV_IT_MAGIC "IMPM"
-#define DIV_TFM_MAGIC "TFMfmtV2"
-
-enum DivFurVariants: int {
-  DIV_FUR_VARIANT_VANILLA=0,
-  DIV_FUR_VARIANT_B=1,
-};
diff --git a/src/engine/fileOps/p.cpp b/src/engine/fileOps/p.cpp
index 09d8adad2..205f79462 100644
--- a/src/engine/fileOps/p.cpp
+++ b/src/engine/fileOps/p.cpp
@@ -17,7 +17,7 @@
  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  */
 
-#include "shared.h"
+#include "fileOpsCommon.h"
 
 #ifdef HAVE_GUI
 #include "../gui/gui.h"
diff --git a/src/engine/fileOps/p86.cpp b/src/engine/fileOps/p86.cpp
index 840d65d28..8a26a0ea2 100644
--- a/src/engine/fileOps/p86.cpp
+++ b/src/engine/fileOps/p86.cpp
@@ -17,7 +17,7 @@
  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  */
 
-#include "shared.h"
+#include "fileOpsCommon.h"
 
 #ifdef HAVE_GUI
 #include "../gui/gui.h"
diff --git a/src/engine/fileOps/pdx.cpp b/src/engine/fileOps/pdx.cpp
index fa57b2006..de34a49c5 100644
--- a/src/engine/fileOps/pdx.cpp
+++ b/src/engine/fileOps/pdx.cpp
@@ -17,7 +17,7 @@
  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  */
 
-#include "shared.h"
+#include "fileOpsCommon.h"
 
 #ifdef HAVE_GUI
 #include "../gui/gui.h"
diff --git a/src/engine/fileOps/ppc.cpp b/src/engine/fileOps/ppc.cpp
index a5555abca..35dd18467 100644
--- a/src/engine/fileOps/ppc.cpp
+++ b/src/engine/fileOps/ppc.cpp
@@ -17,7 +17,7 @@
  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  */
 
-#include "shared.h"
+#include "fileOpsCommon.h"
 
 #ifdef HAVE_GUI
 #include "../gui/gui.h"
diff --git a/src/engine/fileOps/pps.cpp b/src/engine/fileOps/pps.cpp
index e491302b6..f9592e07b 100644
--- a/src/engine/fileOps/pps.cpp
+++ b/src/engine/fileOps/pps.cpp
@@ -17,7 +17,7 @@
  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  */
 
-#include "shared.h"
+#include "fileOpsCommon.h"
 
 #ifdef HAVE_GUI
 #include "../gui/gui.h"
diff --git a/src/engine/fileOps/pvi.cpp b/src/engine/fileOps/pvi.cpp
index 8352ebf9e..d03d61c21 100644
--- a/src/engine/fileOps/pvi.cpp
+++ b/src/engine/fileOps/pvi.cpp
@@ -17,7 +17,7 @@
  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  */
 
-#include "shared.h"
+#include "fileOpsCommon.h"
 
 #ifdef HAVE_GUI
 #include "../gui/gui.h"
diff --git a/src/engine/fileOps/pzi.cpp b/src/engine/fileOps/pzi.cpp
index 69bf15d87..7463cd23a 100644
--- a/src/engine/fileOps/pzi.cpp
+++ b/src/engine/fileOps/pzi.cpp
@@ -17,7 +17,7 @@
  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  */
 
-#include "shared.h"
+#include "fileOpsCommon.h"
 
 #ifdef HAVE_GUI
 #include "../gui/gui.h"
diff --git a/src/engine/fileOps/s3m.cpp b/src/engine/fileOps/s3m.cpp
index 9e212d8d3..11d0f4fb4 100644
--- a/src/engine/fileOps/s3m.cpp
+++ b/src/engine/fileOps/s3m.cpp
@@ -19,21 +19,6 @@
 
 #include "fileOpsCommon.h"
 
-// SBI and some other OPL containers
-struct sbi_t {
-  uint8_t Mcharacteristics,
-          Ccharacteristics,
-          Mscaling_output,
-          Cscaling_output,
-          Meg_AD,
-          Ceg_AD,
-          Meg_SR,
-          Ceg_SR,
-          Mwave,
-          Cwave,
-          FeedConnect;
-};
-
 static void readSbiOpData(sbi_t& sbi, SafeReader& reader) {
   sbi.Mcharacteristics = reader.readC();
   sbi.Ccharacteristics = reader.readC();
diff --git a/src/engine/fileOps/shared.h b/src/engine/fileOps/shared.h
deleted file mode 100644
index 6abb5ed85..000000000
--- a/src/engine/fileOps/shared.h
+++ /dev/null
@@ -1,53 +0,0 @@
-/**
- * Furnace Tracker - multi-system chiptune tracker
- * Copyright (C) 2021-2024 tildearrow and contributors
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License along
- * with this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
- */
-
-#pragma once
-
-#include "importExport.h"
-
-// MIDI-related
-struct midibank_t {
-  String name;
-  uint8_t bankMsb,
-          bankLsb;
-};
-
-// Reused patch data structures
-
-// SBI and some other OPL containers
-
-struct sbi_t {
-  uint8_t Mcharacteristics,
-          Ccharacteristics,
-          Mscaling_output,
-          Cscaling_output,
-          Meg_AD,
-          Ceg_AD,
-          Meg_SR,
-          Ceg_SR,
-          Mwave,
-          Cwave,
-          FeedConnect;
-};
-
-bool stringNotBlank(String& str);
-// detune needs extra translation from register to furnace format
-uint8_t fmDtRegisterToFurnace(uint8_t&& dtNative);
-
-void readSbiOpData(sbi_t& sbi, SafeReader& reader);
\ No newline at end of file