diff --git a/src/ccstruct/blobbox.h b/src/ccstruct/blobbox.h
index 8e184b536..b5ea5505f 100644
--- a/src/ccstruct/blobbox.h
+++ b/src/ccstruct/blobbox.h
@@ -25,7 +25,6 @@
 #include "elst.h"              // for ELIST_ITERATOR, ELISTIZEH, ELIST_LINK
 #include "elst2.h"             // for ELIST2_ITERATOR, ELIST2IZEH, ELIST2_LINK
 #include "errcode.h"           // for ASSERT_HOST
-#include "host.h"              // for PRId32
 #include "ocrblock.h"          // for BLOCK
 #include "params.h"            // for DoubleParam, double_VAR_H
 #include "pdblock.h"           // for PDBLK
diff --git a/src/ccstruct/imagedata.cpp b/src/ccstruct/imagedata.cpp
index 58c301ab0..3b2b74a57 100644
--- a/src/ccstruct/imagedata.cpp
+++ b/src/ccstruct/imagedata.cpp
@@ -33,11 +33,11 @@
 #include "boxread.h"     // for ReadMemBoxes
 #include "callcpp.h"     // for window_wait
 #include "helpers.h"     // for IntCastRounded, TRand, ClipToRange, Modulo
-#include "host.h"        // for PRId64
 #include "rect.h"        // for TBOX
 #include "scrollview.h"  // for ScrollView, ScrollView::CYAN, ScrollView::NONE
 #include "serialis.h"    // for TFile
 #include "tprintf.h"     // for tprintf
+#include <cinttypes>     // for PRId64
 
 // Number of documents to read ahead while training. Doesn't need to be very
 // large.
diff --git a/src/ccstruct/pdblock.cpp b/src/ccstruct/pdblock.cpp
index 96814e701..e5bce778c 100644
--- a/src/ccstruct/pdblock.cpp
+++ b/src/ccstruct/pdblock.cpp
@@ -16,11 +16,11 @@
  *
  **********************************************************************/
 
+#include "allheaders.h"
 #include "pdblock.h"
 #include <cstdlib>
 #include <memory>  // std::unique_ptr
-#include "allheaders.h"
-#include "host.h"  // for PRId32
+#include <cinttypes>  // for PRId32
 
 // Include automatically generated configuration file if running autoconf.
 #ifdef HAVE_CONFIG_H
diff --git a/src/ccstruct/polyblk.cpp b/src/ccstruct/polyblk.cpp
index 7aacc2f77..9a89a8c0b 100644
--- a/src/ccstruct/polyblk.cpp
+++ b/src/ccstruct/polyblk.cpp
@@ -16,12 +16,12 @@
  **********************************************************************/
 
 #include "polyblk.h"
+#include "elst.h"
 #include <cctype>
+#include <cinttypes>  // PRId32
 #include <cmath>
 #include <cstdio>
-#include <memory>  // std::unique_ptr
-#include "elst.h"
-#include "host.h"  // for PRId32
+#include <memory>     // std::unique_ptr
 
 // Include automatically generated configuration file if running autoconf.
 #ifdef HAVE_CONFIG_H
diff --git a/src/ccutil/host.h b/src/ccutil/host.h
index 821292df2..9ba7c3ae0 100644
--- a/src/ccutil/host.h
+++ b/src/ccutil/host.h
@@ -25,24 +25,7 @@
 #include <windows.h>
 #undef min
 #undef max
-#endif
-
-#include <cinttypes>  // PRId32, ...
-#include <cstdint>    // int32_t, ...
-
-#if defined(_WIN32)
-
-/* MinGW defines the standard PRI... macros, but MSVS doesn't. */
-
-#if !defined(PRId32)
-#define PRId32 "d"
-#endif
-
-#if !defined(PRId64)
-#define PRId64 "I64d"
-#endif
-
-#endif /* _WIN32 */
+#endif  // _WIN32
 
 // Return true if x is within tolerance of y
 template<class T> bool NearlyEqual(T x, T y, T tolerance) {
diff --git a/src/dict/dawg.h b/src/dict/dawg.h
index 127e73da6..1960f642b 100644
--- a/src/dict/dawg.h
+++ b/src/dict/dawg.h
@@ -29,7 +29,6 @@
 #include <cinttypes>            // for PRId64
 #include <memory>
 #include "elst.h"
-#include "host.h"               // for PRId64
 #include "params.h"
 #include "ratngs.h"
 #include "tesscallback.h"
diff --git a/src/textord/colpartition.cpp b/src/textord/colpartition.cpp
index b116f73e9..ec5675072 100644
--- a/src/textord/colpartition.cpp
+++ b/src/textord/colpartition.cpp
@@ -28,6 +28,7 @@
 #include "dppoint.h"
 #include "imagefind.h"
 #include "workingpartset.h"
+#include "host.h"              // for NearlyEqual
 
 #include <algorithm>
 
diff --git a/src/textord/tabfind.cpp b/src/textord/tabfind.cpp
index f34e7a90c..28630bfce 100644
--- a/src/textord/tabfind.cpp
+++ b/src/textord/tabfind.cpp
@@ -23,9 +23,9 @@
 
 #include "tabfind.h"
 #include "alignedblob.h"
-#include "blobbox.h"
 #include "colpartitiongrid.h"
 #include "detlinefit.h"
+#include "host.h"              // for NearlyEqual
 #include "linefind.h"
 
 #include <algorithm>