Fix redundant self offenses

No performance gain, this can be seen as a cosmetic change to have
shorter lines

3 files changed, 3 insertions, 3 deletions

diff --git a/lib/axlsx/drawing/d_lbls.rb b/lib/axlsx/drawing/d_lbls.rb
index 7a42c51c..0602a8df 100644
--- a/lib/axlsx/drawing/d_lbls.rb
+++ b/lib/axlsx/drawing/d_lbls.rb
@@ -38,7 +38,7 @@ module Axlsx
       [:show_legend_key, :show_val, :show_cat_name,
        :show_ser_name, :show_percent, :show_bubble_size,
        :show_leader_lines].each do |attr|
-        self.send("#{attr}=", false)
+        send("#{attr}=", false)
       end
     end
 
diff --git a/lib/axlsx/drawing/drawing.rb b/lib/axlsx/drawing/drawing.rb
index c927a6c9..997a7af0 100644
--- a/lib/axlsx/drawing/drawing.rb
+++ b/lib/axlsx/drawing/drawing.rb
@@ -108,7 +108,7 @@ module Axlsx
     # An array of hyperlink objects associated with this drawings images
     # @return [Array]
     def hyperlinks
-      links = self.images.select { |a| a.hyperlink.is_a?(Hyperlink) }
+      links = images.select { |a| a.hyperlink.is_a?(Hyperlink) }
       links.map(&:hyperlink)
     end
 
diff --git a/lib/axlsx/drawing/marker.rb b/lib/axlsx/drawing/marker.rb
index ec476297..0d6e0077 100644
--- a/lib/axlsx/drawing/marker.rb
+++ b/lib/axlsx/drawing/marker.rb
@@ -58,7 +58,7 @@ module Axlsx
     # @return [String]
     def to_xml_string(str = +'')
       [:col, :colOff, :row, :rowOff].each do |k|
-        str << '<xdr:' << k.to_s << '>' << self.send(k).to_s << '</xdr:' << k.to_s << '>'
+        str << '<xdr:' << k.to_s << '>' << send(k).to_s << '</xdr:' << k.to_s << '>'
       end
     end