diff --git a/Gemfile.lock b/Gemfile.lock
index af192e2556..1130f966f8 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -235,7 +235,7 @@ GEM
     launchy (2.4.2)
       addressable (~> 2.3)
     libv8 (3.16.14.7)
-    liquid (3.0.3)
+    liquid (3.0.6)
     listen (2.7.9)
       celluloid (>= 0.15.2)
       rb-fsevent (>= 0.9.3)
diff --git a/app/concerns/liquid_interpolatable.rb b/app/concerns/liquid_interpolatable.rb
index ee9ef7864f..c4920481ef 100644
--- a/app/concerns/liquid_interpolatable.rb
+++ b/app/concerns/liquid_interpolatable.rb
@@ -218,12 +218,6 @@ def regex_replace_first(input, regex, replacement = nil)
       input.to_s.sub(Regexp.new(regex), unescape_replacement(replacement.to_s))
     end
 
-    def date(input, format)
-      super
-    rescue ArgumentError
-      input
-    end
-
     private
 
     def logger