diff --git a/src/ccmain/ltrresultiterator.cpp b/src/ccmain/ltrresultiterator.cpp
index 0cd410faa6..46f4e42826 100644
--- a/src/ccmain/ltrresultiterator.cpp
+++ b/src/ccmain/ltrresultiterator.cpp
@@ -415,9 +415,9 @@ const char* ChoiceIterator::GetUTF8Text() const {
 }
 
 // Returns the confidence of the current choice depending on the used language
-// data. If only LSTM traineddata is used the value range is 0.0f - 1.0f. All 
+// data. If only LSTM traineddata is used the value range is 0.0f - 1.0f. All
 // choices for one symbol should roughly add up to 1.0f.
-// If only traineddata of the legacy engine is used, the number should be 
+// If only traineddata of the legacy engine is used, the number should be
 // interpreted as a percent probability. (0.0f-100.0f) In this case probabilities
 // won't add up to 100. Each one stands on its own.
 float ChoiceIterator::Confidence() const {
diff --git a/src/lstm/lstmtrainer.cpp b/src/lstm/lstmtrainer.cpp
index 31a213f2f8..31a92c231c 100644
--- a/src/lstm/lstmtrainer.cpp
+++ b/src/lstm/lstmtrainer.cpp
@@ -2,7 +2,6 @@
 // File:        lstmtrainer.cpp
 // Description: Top-level line trainer class for LSTM-based networks.
 // Author:      Ray Smith
-// Created:     Fir May 03 09:14:06 PST 2013
 //
 // (C) Copyright 2013, Google Inc.
 // Licensed under the Apache License, Version 2.0 (the "License");
@@ -879,7 +878,7 @@ Trainability LSTMTrainer::PrepareForBackward(const ImageData* trainingdata,
   targets->SubtractAllFromFloat(*fwd_outputs);
   if (debug_interval_ != 0) {
       if (truth_text != ocr_text) {
-         tprintf("Iteration %d: BEST OCR TEXT : %s\n", 
+         tprintf("Iteration %d: BEST OCR TEXT : %s\n",
             training_iteration(), ocr_text.string());
       }
   }
diff --git a/src/training/tesstrain_utils.py b/src/training/tesstrain_utils.py
index 600acfb10a..f7ba62bbb2 100644
--- a/src/training/tesstrain_utils.py
+++ b/src/training/tesstrain_utils.py
@@ -226,7 +226,7 @@ def parse_flags(argv=None):
         ctx.output_dir = mkdtemp(prefix=f"trained-{ctx.lang_code}-{ctx.timestamp}")
         log.info(f"Output directory set to: {ctx.output_dir}")
 
-    # Location where intermediate files will be created.       
+    # Location where intermediate files will be created.
     if not ctx.tmp_dir:
         ctx.training_dir = mkdtemp(prefix=f"{ctx.lang_code}-{ctx.timestamp}")
     else:
diff --git a/src/training/validate_myanmar.cpp b/src/training/validate_myanmar.cpp
index e14437ef3f..173ddf09e7 100644
--- a/src/training/validate_myanmar.cpp
+++ b/src/training/validate_myanmar.cpp
@@ -132,7 +132,7 @@ bool ValidateMyanmar::ConsumeOptionalSignsIfPresent() {
 // Returns true if the unicode is a Myanmar "letter" including consonants
 // and independent vowels. Although table 16-3 distinguishes between some
 // base consonants and vowels, the extensions make no such distinction, so we
-// put them all into a single bucket. 
+// put them all into a single bucket.
 // Update MYANMAR LETTER based on following:
 // https://unicode.org/charts/PDF/U1000.pdf - Myanmar
 // http://unicode.org/charts/PDF/UAA60.pdf - Myanmar Extended-A
@@ -144,14 +144,14 @@ bool ValidateMyanmar::IsMyanmarLetter(char32 ch) {
          ch == 0x1061 || ch == 0x1065 || ch == 0x1066 ||
          (0x106e <= ch && ch <= 0x1070) || (0x1075 <= ch && ch <= 0x1081) ||
          ch == 0x108e || (0xa9e0 <= ch && ch <= 0xa9e4) ||
-         (0xa9e7 <= ch && ch <= 0xa9ef) || (0xa9fa <= ch && ch <= 0xa9fe) || 
+         (0xa9e7 <= ch && ch <= 0xa9ef) || (0xa9fa <= ch && ch <= 0xa9fe) ||
          (0xaa60 <= ch && ch <= 0xaa6f) || (0xaa71 <= ch && ch <= 0xaa73) ||
          ch == 0xaa7a || ch == 0xaa7e || ch == 0xaa7f;
 }
 
 // Returns true if ch is a Myanmar digit or other symbol that does not take
 // part in being a syllable eg. punctuation marks.
-// MYANMAR DIGIT, MYANMAR SYMBOL, MYANMAR LOGOGRAM 
+// MYANMAR DIGIT, MYANMAR SYMBOL, MYANMAR LOGOGRAM
 // REDUPLICATION MARKS
 /* static */
 bool ValidateMyanmar::IsMyanmarOther(char32 ch) {