diff --git a/lib/org-ruby/html_symbol_replace.rb b/lib/org-ruby/html_symbol_replace.rb
index a5f167c..0cae132 100644
--- a/lib/org-ruby/html_symbol_replace.rb
+++ b/lib/org-ruby/html_symbol_replace.rb
@@ -202,7 +202,6 @@ module Orgmode
     "prod"           => "∏",
     "micro"          => "µ",
     "macr"           => "¯",
-    "deg"            => "°",
     "prime"          => "′",
     "Prime"          => "″",
     "infin"          => "∞",
@@ -311,7 +310,6 @@ module Orgmode
     "sec"            => "sec",
     "sin"            => "sin",
     "sinh"           => "sinh",
-    "sup"            => "⊃",
     "tan"            => "tan",
     "tanh"           => "tanh",
     "bull"           => "•",
diff --git a/lib/org-ruby/textile_symbol_replace.rb b/lib/org-ruby/textile_symbol_replace.rb
index a453bb4..749c124 100644
--- a/lib/org-ruby/textile_symbol_replace.rb
+++ b/lib/org-ruby/textile_symbol_replace.rb
@@ -292,7 +292,6 @@ module Orgmode
     "cot"            => "cot",
     "coth"           => "coth",
     "csc"            => "csc",
-    "deg"            => "deg",
     "det"            => "det",
     "dim"            => "dim",
     "exp"            => "exp",
@@ -312,7 +311,6 @@ module Orgmode
     "sec"            => "sec",
     "sin"            => "sin",
     "sinh"           => "sinh",
-    "sup"            => "sup",
     "tan"            => "tan",
     "tanh"           => "tanh",
     "bull"           => "•",
diff --git a/spec/markdown_examples/entities.md b/spec/markdown_examples/entities.md
index 806be68..b007d72 100644
--- a/spec/markdown_examples/entities.md
+++ b/spec/markdown_examples/entities.md
@@ -239,7 +239,7 @@ bundle exec ruby /tmp/print_entities.rb
  * Writing `\prod`, results in: ∏
  * Writing `\micro`, results in: µ
  * Writing `\macr`, results in: ¯
- * Writing `\deg`, results in: deg
+ * Writing `\deg`, results in: °
  * Writing `\prime`, results in: ′
  * Writing `\Prime`, results in: ″
  * Writing `\infin`, results in: ∞
@@ -268,7 +268,7 @@ bundle exec ruby /tmp/print_entities.rb
  * Writing `\ge`, results in: ≥
  * Writing `\sub`, results in: ⊂
  * Writing `\subset`, results in: ⊂
- * Writing `\sup`, results in: sup
+ * Writing `\sup`, results in: ⊃
  * Writing `\supset`, results in: ⊃
  * Writing `\nsub`, results in: ⊄
  * Writing `\sube`, results in: ⊆