diff --git a/spec/css/selector/reference_combinator/error b/spec/css/selector/reference_combinator/error
new file mode 100644
index 0000000000..31f1498452
--- /dev/null
+++ b/spec/css/selector/reference_combinator/error
@@ -0,0 +1,4 @@
+Error: expected selector.
+.foo /bar/ .baz{
+     ^
+  spec/css/selector/reference_combinator/input.scss 1:6  root stylesheet
diff --git a/spec/css/selector/reference_combinator/expected_output.css b/spec/css/selector/reference_combinator/expected_output.css
new file mode 100644
index 0000000000..e69de29bb2
diff --git a/spec/css/selector/reference_combinator/input.scss b/spec/css/selector/reference_combinator/input.scss
new file mode 100644
index 0000000000..420d7efd40
--- /dev/null
+++ b/spec/css/selector/reference_combinator/input.scss
@@ -0,0 +1,3 @@
+.foo /bar/ .baz {
+  a: b;
+}
diff --git a/spec/css/selector/reference_combinator/options.yml b/spec/css/selector/reference_combinator/options.yml
new file mode 100644
index 0000000000..9163bb045c
--- /dev/null
+++ b/spec/css/selector/reference_combinator/options.yml
@@ -0,0 +1,4 @@
+---
+:todo:
+- libsass
+- ruby-sass
diff --git a/spec/css/selector/reference_combinator/status b/spec/css/selector/reference_combinator/status
new file mode 100644
index 0000000000..b44fe09a7a
--- /dev/null
+++ b/spec/css/selector/reference_combinator/status
@@ -0,0 +1 @@
+65
\ No newline at end of file
diff --git a/spec/extend-tests/115_test_nested_extender_finds_common_selectors_around_reference_selector/expected_output.css b/spec/extend-tests/115_test_nested_extender_finds_common_selectors_around_reference_selector/expected_output.css
deleted file mode 100644
index b994ae4480..0000000000
--- a/spec/extend-tests/115_test_nested_extender_finds_common_selectors_around_reference_selector/expected_output.css
+++ /dev/null
@@ -1,3 +0,0 @@
-a /for/ b c .c1, a /for/ b a c .c2, a a /for/ b c .c2 {
-  a: b;
-}
diff --git a/spec/extend-tests/115_test_nested_extender_finds_common_selectors_around_reference_selector/input.scss b/spec/extend-tests/115_test_nested_extender_finds_common_selectors_around_reference_selector/input.scss
deleted file mode 100644
index 66772821e6..0000000000
--- a/spec/extend-tests/115_test_nested_extender_finds_common_selectors_around_reference_selector/input.scss
+++ /dev/null
@@ -1,2 +0,0 @@
-a /for/ b c .c1 {a: b}
-a c .c2 {@extend .c1}
diff --git a/spec/extend-tests/116_test_nested_extender_finds_common_selectors_around_reference_selector/expected_output.css b/spec/extend-tests/116_test_nested_extender_finds_common_selectors_around_reference_selector/expected_output.css
deleted file mode 100644
index d135fa8e52..0000000000
--- a/spec/extend-tests/116_test_nested_extender_finds_common_selectors_around_reference_selector/expected_output.css
+++ /dev/null
@@ -1,3 +0,0 @@
-a /for/ b c .c1, a a /for/ b c .c2 {
-  a: b;
-}
diff --git a/spec/extend-tests/116_test_nested_extender_finds_common_selectors_around_reference_selector/input.scss b/spec/extend-tests/116_test_nested_extender_finds_common_selectors_around_reference_selector/input.scss
deleted file mode 100644
index f87a4d2cc8..0000000000
--- a/spec/extend-tests/116_test_nested_extender_finds_common_selectors_around_reference_selector/input.scss
+++ /dev/null
@@ -1,2 +0,0 @@
-a /for/ b c .c1 {a: b}
-a b .c2 {@extend .c1}
diff --git a/spec/extend-tests/117_test_nested_extender_finds_common_selectors_around_reference_selector/expected_output.css b/spec/extend-tests/117_test_nested_extender_finds_common_selectors_around_reference_selector/expected_output.css
deleted file mode 100644
index c4aa62ac2e..0000000000
--- a/spec/extend-tests/117_test_nested_extender_finds_common_selectors_around_reference_selector/expected_output.css
+++ /dev/null
@@ -1,3 +0,0 @@
-a /for/ b c .c1, a /for/ b c .c2 {
-  a: b;
-}
diff --git a/spec/extend-tests/117_test_nested_extender_finds_common_selectors_around_reference_selector/input.scss b/spec/extend-tests/117_test_nested_extender_finds_common_selectors_around_reference_selector/input.scss
deleted file mode 100644
index caddbc5ae6..0000000000
--- a/spec/extend-tests/117_test_nested_extender_finds_common_selectors_around_reference_selector/input.scss
+++ /dev/null
@@ -1,2 +0,0 @@
-a /for/ b c .c1 {a: b}
-b c .c2 {@extend .c1}
diff --git a/spec/libsass-closed-issues/issue_452/expected_output.css b/spec/libsass-closed-issues/issue_452/expected_output.css
deleted file mode 100644
index 6d25d0c596..0000000000
--- a/spec/libsass-closed-issues/issue_452/expected_output.css
+++ /dev/null
@@ -1,15 +0,0 @@
-x-tabs /deep/ x-panel {
-  foo: bar;
-}
-
-div body /deep/ .library {
-  color: blue;
-}
-
-#something::shadow {
-  color: blue;
-}
-
-:host .library {
-  background: green;
-}
diff --git a/spec/libsass-closed-issues/issue_452/input.scss b/spec/libsass-closed-issues/issue_452/input.scss
deleted file mode 100644
index a5ad7bdc14..0000000000
--- a/spec/libsass-closed-issues/issue_452/input.scss
+++ /dev/null
@@ -1,17 +0,0 @@
-x-tabs /deep/ x-panel {
-  foo: bar;
-}
-
-div {
-  body /deep/ .library {
-    color: blue;
-  }
-}
-
-#something::shadow {
-  color: blue;
-}
-
-:host .library {
-  background: green;
-}
diff --git a/spec/libsass/parent-selector/inner-combinator/expected_output.css b/spec/libsass/parent-selector/inner-combinator/expected_output.css
index fea265baa8..feca12dca9 100644
--- a/spec/libsass/parent-selector/inner-combinator/expected_output.css
+++ b/spec/libsass/parent-selector/inner-combinator/expected_output.css
@@ -25,10 +25,3 @@ foo bar ~ baz {
 bar ~ baz foo {
   bam: true;
 }
-
-foo bar /deep/ baz {
-  bam: true;
-}
-bar /deep/ baz foo {
-  bam: true;
-}
diff --git a/spec/libsass/parent-selector/inner-combinator/input.scss b/spec/libsass/parent-selector/inner-combinator/input.scss
index 80d98ca2ac..8f284d1c12 100644
--- a/spec/libsass/parent-selector/inner-combinator/input.scss
+++ b/spec/libsass/parent-selector/inner-combinator/input.scss
@@ -33,12 +33,3 @@ foo {
         bam: true;
     }
 }
-
-foo {
-    & bar /deep/ baz {
-        bam: true;
-    }
-    bar /deep/ baz & {
-        bam: true;
-    }
-}
diff --git a/spec/libsass/parent-selector/inner-pseudo/expected_output.css b/spec/libsass/parent-selector/inner-pseudo/expected_output.css
index a017c0aa8a..a8846ffc5c 100644
--- a/spec/libsass/parent-selector/inner-pseudo/expected_output.css
+++ b/spec/libsass/parent-selector/inner-pseudo/expected_output.css
@@ -13,7 +13,3 @@ foo:bar > baz {
 foo:bar ~ baz {
   bam: true;
 }
-
-foo:bar /deep/ baz {
-  bam: true;
-}
diff --git a/spec/libsass/parent-selector/inner-pseudo/input.scss b/spec/libsass/parent-selector/inner-pseudo/input.scss
index c38765ffed..21b41fc4e2 100644
--- a/spec/libsass/parent-selector/inner-pseudo/input.scss
+++ b/spec/libsass/parent-selector/inner-pseudo/input.scss
@@ -21,9 +21,3 @@ foo {
         bam: true;
     }
 }
-
-foo {
-    &:bar /deep/ baz {
-        bam: true;
-    }
-}
diff --git a/spec/libsass/parent-selector/outer-combinator/expected_output.css b/spec/libsass/parent-selector/outer-combinator/expected_output.css
index 7e4cb769f6..a53d9d7c83 100644
--- a/spec/libsass/parent-selector/outer-combinator/expected_output.css
+++ b/spec/libsass/parent-selector/outer-combinator/expected_output.css
@@ -25,10 +25,3 @@ foo ~ bar baz {
 baz foo ~ bar {
   bam: true;
 }
-
-foo /deep/ bar baz {
-  bam: true;
-}
-baz foo /deep/ bar {
-  bam: true;
-}
diff --git a/spec/libsass/parent-selector/outer-combinator/input.scss b/spec/libsass/parent-selector/outer-combinator/input.scss
index 7b3569b6cd..4524decad6 100644
--- a/spec/libsass/parent-selector/outer-combinator/input.scss
+++ b/spec/libsass/parent-selector/outer-combinator/input.scss
@@ -33,12 +33,3 @@ foo ~ bar {
         bam: true;
     }
 }
-
-foo /deep/ bar {
-    & baz {
-        bam: true;
-    }
-    baz & {
-        bam: true;
-    }
-}
diff --git a/spec/libsass/parent-selector/outer-pseudo/expected_output.css b/spec/libsass/parent-selector/outer-pseudo/expected_output.css
index 26dbcfe0b0..85780b3c0e 100644
--- a/spec/libsass/parent-selector/outer-pseudo/expected_output.css
+++ b/spec/libsass/parent-selector/outer-pseudo/expected_output.css
@@ -13,7 +13,3 @@ foo > bar:baz {
 foo ~ bar:baz {
   bam: true;
 }
-
-foo /deep/ bar:baz {
-  bam: true;
-}
diff --git a/spec/libsass/parent-selector/outer-pseudo/input.scss b/spec/libsass/parent-selector/outer-pseudo/input.scss
index daecb93977..22c0a5dc47 100644
--- a/spec/libsass/parent-selector/outer-pseudo/input.scss
+++ b/spec/libsass/parent-selector/outer-pseudo/input.scss
@@ -21,9 +21,3 @@ foo ~ bar {
         bam: true;
     }
 }
-
-foo /deep/ bar {
-    &:baz {
-        bam: true;
-    }
-}
diff --git a/spec/scss-tests/175_test_reference_combinator_with_parent_ref/expected_output.css b/spec/scss-tests/175_test_reference_combinator_with_parent_ref/expected_output.css
deleted file mode 100644
index 897e2f07f2..0000000000
--- a/spec/scss-tests/175_test_reference_combinator_with_parent_ref/expected_output.css
+++ /dev/null
@@ -1,3 +0,0 @@
-a /foo/ b {
-  c: d;
-}
diff --git a/spec/scss-tests/175_test_reference_combinator_with_parent_ref/input.scss b/spec/scss-tests/175_test_reference_combinator_with_parent_ref/input.scss
deleted file mode 100644
index fcef052421..0000000000
--- a/spec/scss-tests/175_test_reference_combinator_with_parent_ref/input.scss
+++ /dev/null
@@ -1 +0,0 @@
-a {& /foo/ b {c: d}}