diff --git a/include/tesseract/apitypes.h b/include/tesseract/apitypes.h
index 2c0e85c9d..72ef68dc8 100644
--- a/include/tesseract/apitypes.h
+++ b/include/tesseract/apitypes.h
@@ -2,7 +2,6 @@
 // File:        apitypes.h
 // Description: Types used in both the API and internally
 // Author:      Ray Smith
-// Created:     Wed Mar 03 09:22:53 PST 2010
 //
 // (C) Copyright 2010, Google Inc.
 // Licensed under the Apache License, Version 2.0 (the "License");
diff --git a/include/tesseract/baseapi.h b/include/tesseract/baseapi.h
index c90c75fa0..712a5b9cc 100644
--- a/include/tesseract/baseapi.h
+++ b/include/tesseract/baseapi.h
@@ -37,7 +37,6 @@
 #include <tesseract/version.h>
 
 #include <cstdio>
-#include <functional> // for std::function
 #include <vector>     // for std::vector
 
 struct Pix;
@@ -90,8 +89,6 @@ using ParamsModelClassifyFunc = float (Dict::*)(const char*, void*);
 using FillLatticeFunc = void (Wordrec::*)(const MATRIX&,
                                           const WERD_CHOICE_LIST&,
                                           const UNICHARSET&, BlamerBundle*);
-using TruthCallback =
-    std::function<void(const UNICHARSET&, int, PageIterator*, Pix*)>;
 
 /**
  * Base class for all tesseract APIs.
@@ -761,10 +758,6 @@ class TESS_API TessBaseAPI {
     return last_oem_requested_;
   }
 
-  void InitTruthCallback(TruthCallback cb) {
-    truth_cb_ = cb;
-  }
-
   void set_min_orientation_margin(double margin);
   /* @} */
 
@@ -825,7 +818,6 @@ class TESS_API TessBaseAPI {
   std::string language_;              ///< Last initialized language.
   OcrEngineMode last_oem_requested_;  ///< Last ocr language mode requested.
   bool recognition_done_;             ///< page_res_ contains recognition data.
-  TruthCallback truth_cb_;            ///< fxn for setting truth_* in WERD_RES
 
   /**
    * @defgroup ThresholderParams Thresholder Parameters
diff --git a/include/tesseract/capi.h b/include/tesseract/capi.h
index 7efa1994a..d7920a98e 100644
--- a/include/tesseract/capi.h
+++ b/include/tesseract/capi.h
@@ -61,7 +61,6 @@ typedef tesseract::ProbabilityInContextFunc TessProbabilityInContextFunc;
 // typedef tesseract::ParamsModelClassifyFunc TessParamsModelClassifyFunc;
 typedef tesseract::FillLatticeFunc TessFillLatticeFunc;
 typedef tesseract::Dawg TessDawg;
-typedef tesseract::TruthCallback TessTruthCallback;
 typedef tesseract::Orientation TessOrientation;
 typedef tesseract::ParagraphJustification TessParagraphJustification;
 typedef tesseract::WritingDirection TessWritingDirection;
@@ -407,9 +406,6 @@ TESS_API int TessBaseAPINumDawgs(const TessBaseAPI* handle);
 
 TESS_API TessOcrEngineMode TessBaseAPIOem(const TessBaseAPI* handle);
 
-TESS_API void TessBaseAPIInitTruthCallback(TessBaseAPI* handle,
-                                           TessTruthCallback cb);
-
 TESS_API void TessBaseGetBlockTextOrientations(TessBaseAPI* handle,
                                                int** block_orientation,
                                                bool** vertical_writing);
diff --git a/src/api/baseapi.cpp b/src/api/baseapi.cpp
index 827f369c0..38269cd96 100644
--- a/src/api/baseapi.cpp
+++ b/src/api/baseapi.cpp
@@ -199,7 +199,6 @@ TessBaseAPI::TessBaseAPI()
       page_res_(nullptr),
       last_oem_requested_(OEM_DEFAULT),
       recognition_done_(false),
-      truth_cb_(nullptr),
       rect_left_(0),
       rect_top_(0),
       rect_width_(0),
@@ -857,17 +856,6 @@ int TessBaseAPI::Recognize(ETEXT_DESC* monitor) {
   }
 #endif  // ndef DISABLED_LEGACY_ENGINE
 
-  if (truth_cb_ != nullptr) {
-    tesseract_->wordrec_run_blamer.set_value(true);
-    auto *page_it = new PageIterator(
-            page_res_, tesseract_, thresholder_->GetScaleFactor(),
-            thresholder_->GetScaledYResolution(),
-            rect_left_, rect_top_, rect_width_, rect_height_);
-    truth_cb_(tesseract_->getDict().getUnicharset(),
-              image_height_, page_it, this->tesseract()->pix_grey());
-    delete page_it;
-  }
-
   int result = 0;
   if (tesseract_->interactive_display_mode) {
     #ifndef GRAPHICS_DISABLED
diff --git a/src/api/capi.cpp b/src/api/capi.cpp
index 508634e6b..cb3e99156 100644
--- a/src/api/capi.cpp
+++ b/src/api/capi.cpp
@@ -613,11 +613,6 @@ TessOcrEngineMode TessBaseAPIOem(const TessBaseAPI* handle) {
   return handle->oem();
 }
 
-void TessBaseAPIInitTruthCallback(TessBaseAPI* handle,
-                                                     TessTruthCallback cb) {
-  handle->InitTruthCallback(cb);
-}
-
 void TessBaseAPISetMinOrientationMargin(TessBaseAPI* handle,
                                                            double margin) {
   handle->set_min_orientation_margin(margin);