diff --git a/syntax/perl.nanorc b/syntax/perl.nanorc
index 5f742fd3..f2747501 100644
--- a/syntax/perl.nanorc
+++ b/syntax/perl.nanorc
@@ -20,5 +20,3 @@ color white start="(^use| = new)" end=";"
 
 # Comments.
 color green "(^|[[:blank:]])#.*"
-
-color yellow start="<< 'STOP'" end="STOP"
diff --git a/syntax/ruby.nanorc b/syntax/ruby.nanorc
index 9398b1dd..02de0e64 100644
--- a/syntax/ruby.nanorc
+++ b/syntax/ruby.nanorc
@@ -31,7 +31,5 @@ color green "'([^']|(\\'))*'" "%[qw]\{[^}]*\}" "%[qw]\([^)]*\)" "%[qw]<[^>]*>" "
 # Comments.
 color cyan "#[^{].*" "#$"
 color brightcyan "##[^{].*" "##$"
-# "Here" docs.
-color green start="<<-?'?EOT'?" end="^EOT"
 # Some common markers.
 color brightcyan "XXX|TODO|FIXME|\?\?\?"