diff --git a/filters/FerryFilter.cpp b/filters/FerryFilter.cpp
index 488a408f04..ea78fc4acf 100644
--- a/filters/FerryFilter.cpp
+++ b/filters/FerryFilter.cpp
@@ -90,7 +90,7 @@ void FerryFilter::addDimensions(PointLayoutPtr layout)
     for (auto& info : m_dims)
     {
         const Dimension::Id fromId = layout->findDim(info.m_fromName);
-        // Dimensions being created with the "=>Dim" syntax won't have
+        // Dimensions being created with the "=>Dim" syntax won't
         // be in the layout, so we have to assign a default type.
         Dimension::Type fromType = layout->dimType(fromId);
         if (fromType == Dimension::Type::None)
diff --git a/filters/GreedyProjection.hpp b/filters/GreedyProjection.hpp
index 3db5e190cd..31df1f1f32 100644
--- a/filters/GreedyProjection.hpp
+++ b/filters/GreedyProjection.hpp
@@ -39,7 +39,7 @@
 
 #pragma once
 
-// This is for M_PI on Windows. cmath 
+// This is for M_PI on Windows.
 #define _USE_MATH_DEFINES
 #include <math.h>
 
diff --git a/io/LasWriter.cpp b/io/LasWriter.cpp
index b01d5bf56c..436243e678 100644
--- a/io/LasWriter.cpp
+++ b/io/LasWriter.cpp
@@ -789,8 +789,6 @@ bool LasWriter::processOne(PointRef& point)
 // called we know we're in stream mode.
 bool LasWriter::processPoint(PointRef& point)
 {
-    //ABELL - Need to do something about auto offset.
-
     if (m_compression == LasCompression::LasZip)
     {
         if (!writeLasZipBuf(point))
diff --git a/scripts/appveyor/config.cmd b/scripts/appveyor/config.cmd
index a785f9d269..6e287bc665 100644
--- a/scripts/appveyor/config.cmd
+++ b/scripts/appveyor/config.cmd
@@ -5,21 +5,6 @@ REM and install it to C:\pdalbin before letting AppVeyor upload it as
 REM an artifact to S3.
 
 SET PDAL_INSTALL_PREFIX="C:/OSGeo4W64/"
-
-REM if "%OSGEO4W_BUILD%"=="ON" (
-REM
-REM SET PDAL_OPTIONAL_COMPONENTS=ON
-REM SET PDAL_PLUGIN_INSTALL_PATH="C:/OSGeo4W64/bin"
-REM set PDAL_BUILD_TESTS=OFF
-REM
-REM ) ELSE (
-REM
-REM mkdir C:\pdalbin
-REM SET PDAL_PLUGIN_INSTALL_PATH="C:\pdalbin"
-REM set PDAL_BUILD_TESTS=ON
-REM
-REM )
-
 SET PDAL_PLUGIN_INSTALL_PATH="C:/OSGeo4W64/bin"
 set PDAL_BUILD_TESTS=ON
 
diff --git a/scripts/appveyor/install.cmd b/scripts/appveyor/install.cmd
index c4220aacf1..d7a833d135 100644
--- a/scripts/appveyor/install.cmd
+++ b/scripts/appveyor/install.cmd
@@ -1,13 +1,5 @@
 @echo off
 
-
-REM if "%OSGEO4W_BUILD%" NEQ "ON" (
-REM     REM only bother with this for OSGEO4W_BUILD situation
-REM     echo "Not building OSGeo4W package"
-REM     exit /b 0
-REM )
-
-
 call %OSGEO4W_ROOT%\bin\o4w_env.bat
 call %OSGEO4W_ROOT%\bin\py3_env.bat
 call "C:\Program Files (x86)\Microsoft Visual Studio 14.0\VC\vcvarsall.bat" amd64
diff --git a/test/unit/io/LasWriterTest.cpp b/test/unit/io/LasWriterTest.cpp
index 9607f018f6..88474f3caf 100644
--- a/test/unit/io/LasWriterTest.cpp
+++ b/test/unit/io/LasWriterTest.cpp
@@ -1118,6 +1118,7 @@ TEST(LasWriterTest, oversize_vlr)
 }
 
 
+// Test auto scale/offset for streaming mode.
 TEST(LasWriterTest, issue1940)
 {
     StageFactory f;
diff --git a/test/unit/io/TextReaderTest.cpp b/test/unit/io/TextReaderTest.cpp
index ebf89955ed..51a6eb3614 100644
--- a/test/unit/io/TextReaderTest.cpp
+++ b/test/unit/io/TextReaderTest.cpp
@@ -212,6 +212,7 @@ TEST(TextReaderTest, strip_whitespace_from_dimension_names)
     }
 }
 
+// Check that space-delimited files work with a CR/LF terminated file.
 TEST(TextReaderTest, issue1939)
 {
     TextReader reader;