diff --git a/Dockerfile b/Dockerfile
index a8d5276..e64d29b 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -30,7 +30,6 @@ RUN apt-get update && \
 
 
 # Build Leptonica and Tesseract.
-# XXX Use a multi stage build for this.
 RUN curl -sSL -O https://github.com/DanBloomberg/leptonica/releases/download/$LEPTONICA_VERSION/leptonica-$LEPTONICA_VERSION.tar.gz && \
     tar xvzf leptonica-$LEPTONICA_VERSION.tar.gz && \
     cd leptonica-$LEPTONICA_VERSION && \
diff --git a/build b/build
index a425d8a..c3830b4 100755
--- a/build
+++ b/build
@@ -67,7 +67,7 @@ download_to() {
     tmpf=`mktemp 'tmp.XXXXX'`
     wget -O $tmpf "$download_source"
     mkdir -p "$unpack_to"
-    # XXX Unpacking relies on tar -a unpacking any tar compression, might not work everywhere?
+    # Unpacking relies on tar -a unpacking any tar compression
     tar -C "$unpack_to" -af $tmpf -xv
     rm -f $tmpf
   )