diff --git a/test/fixtures/go/constructors.diff+A.txt b/test/fixtures/go/constructors.diff+A.txt
index 37dfd5c8b..4e0e54ee4 100644
--- a/test/fixtures/go/constructors.diff+A.txt
+++ b/test/fixtures/go/constructors.diff+A.txt
@@ -12,10 +12,9 @@
       (Identifier)
       (ChannelTy
         (Identifier))
-      (ParenthesizedExpression
-        (RelationalOperator
-          (Identifier)
-          (Identifier))))
+      (RelationalOperator
+        (Identifier)
+        (Identifier)))
     (FunctionCall
       (Identifier)
       (ChannelTy
diff --git a/test/fixtures/go/constructors.diff+B.txt b/test/fixtures/go/constructors.diff+B.txt
index 37dfd5c8b..4e0e54ee4 100644
--- a/test/fixtures/go/constructors.diff+B.txt
+++ b/test/fixtures/go/constructors.diff+B.txt
@@ -12,10 +12,9 @@
       (Identifier)
       (ChannelTy
         (Identifier))
-      (ParenthesizedExpression
-        (RelationalOperator
-          (Identifier)
-          (Identifier))))
+      (RelationalOperator
+        (Identifier)
+        (Identifier)))
     (FunctionCall
       (Identifier)
       (ChannelTy
diff --git a/test/fixtures/go/constructors.diff-A.txt b/test/fixtures/go/constructors.diff-A.txt
index f88d0b5fb..5e3f4cf31 100644
--- a/test/fixtures/go/constructors.diff-A.txt
+++ b/test/fixtures/go/constructors.diff-A.txt
@@ -12,10 +12,9 @@
       (Identifier)
       (ChannelTy
         (Identifier))
-      (ParenthesizedExpression
-        (RelationalOperator
-          (Identifier)
-          (Identifier))))
+      (RelationalOperator
+        (Identifier)
+        (Identifier)))
     (FunctionCall
       (Identifier)
       (ChannelTy
diff --git a/test/fixtures/go/constructors.diff-B.txt b/test/fixtures/go/constructors.diff-B.txt
index f88d0b5fb..5e3f4cf31 100644
--- a/test/fixtures/go/constructors.diff-B.txt
+++ b/test/fixtures/go/constructors.diff-B.txt
@@ -12,10 +12,9 @@
       (Identifier)
       (ChannelTy
         (Identifier))
-      (ParenthesizedExpression
-        (RelationalOperator
-          (Identifier)
-          (Identifier))))
+      (RelationalOperator
+        (Identifier)
+        (Identifier)))
     (FunctionCall
       (Identifier)
       (ChannelTy
diff --git a/test/fixtures/go/constructors.diffA-B.txt b/test/fixtures/go/constructors.diffA-B.txt
index b8b84248b..a805732f2 100644
--- a/test/fixtures/go/constructors.diffA-B.txt
+++ b/test/fixtures/go/constructors.diffA-B.txt
@@ -14,10 +14,9 @@
       (ChannelTy
       { (Identifier)
       ->(Identifier) })
-      (ParenthesizedExpression
-        (RelationalOperator
-          (Identifier)
-          (Identifier))))
+      (RelationalOperator
+        (Identifier)
+        (Identifier)))
     (FunctionCall
       (Identifier)
       (ChannelTy
diff --git a/test/fixtures/go/constructors.diffB-A.txt b/test/fixtures/go/constructors.diffB-A.txt
index b8b84248b..a805732f2 100644
--- a/test/fixtures/go/constructors.diffB-A.txt
+++ b/test/fixtures/go/constructors.diffB-A.txt
@@ -14,10 +14,9 @@
       (ChannelTy
       { (Identifier)
       ->(Identifier) })
-      (ParenthesizedExpression
-        (RelationalOperator
-          (Identifier)
-          (Identifier))))
+      (RelationalOperator
+        (Identifier)
+        (Identifier)))
     (FunctionCall
       (Identifier)
       (ChannelTy
diff --git a/test/fixtures/go/constructors.parseA.txt b/test/fixtures/go/constructors.parseA.txt
index 6f716b764..7d7c8d716 100644
--- a/test/fixtures/go/constructors.parseA.txt
+++ b/test/fixtures/go/constructors.parseA.txt
@@ -12,10 +12,9 @@
       (Identifier)
       (ChannelTy
         (Identifier))
-      (ParenthesizedExpression
-        (RelationalOperator
-          (Identifier)
-          (Identifier))))
+      (RelationalOperator
+        (Identifier)
+        (Identifier)))
     (FunctionCall
       (Identifier)
       (ChannelTy
diff --git a/test/fixtures/go/constructors.parseB.txt b/test/fixtures/go/constructors.parseB.txt
index 6f716b764..7d7c8d716 100644
--- a/test/fixtures/go/constructors.parseB.txt
+++ b/test/fixtures/go/constructors.parseB.txt
@@ -12,10 +12,9 @@
       (Identifier)
       (ChannelTy
         (Identifier))
-      (ParenthesizedExpression
-        (RelationalOperator
-          (Identifier)
-          (Identifier))))
+      (RelationalOperator
+        (Identifier)
+        (Identifier)))
     (FunctionCall
       (Identifier)
       (ChannelTy
diff --git a/test/fixtures/go/type-conversion-expressions.diff+A.txt b/test/fixtures/go/type-conversion-expressions.diff+A.txt
index 7277b212b..2c4a21793 100644
--- a/test/fixtures/go/type-conversion-expressions.diff+A.txt
+++ b/test/fixtures/go/type-conversion-expressions.diff+A.txt
@@ -23,8 +23,7 @@
         (Identifier))
       (Identifier))
     (FunctionCall
-      (ParenthesizedExpression
-        (SubscriptAccess
-          (Identifier)
-          (Identifier)))
+      (SubscriptAccess
+        (Identifier)
+        (Identifier))
       (Identifier))))+}
diff --git a/test/fixtures/go/type-conversion-expressions.diff+B.txt b/test/fixtures/go/type-conversion-expressions.diff+B.txt
index 7277b212b..2c4a21793 100644
--- a/test/fixtures/go/type-conversion-expressions.diff+B.txt
+++ b/test/fixtures/go/type-conversion-expressions.diff+B.txt
@@ -23,8 +23,7 @@
         (Identifier))
       (Identifier))
     (FunctionCall
-      (ParenthesizedExpression
-        (SubscriptAccess
-          (Identifier)
-          (Identifier)))
+      (SubscriptAccess
+        (Identifier)
+        (Identifier))
       (Identifier))))+}
diff --git a/test/fixtures/go/type-conversion-expressions.diff-A.txt b/test/fixtures/go/type-conversion-expressions.diff-A.txt
index ab98f4d74..bbea53595 100644
--- a/test/fixtures/go/type-conversion-expressions.diff-A.txt
+++ b/test/fixtures/go/type-conversion-expressions.diff-A.txt
@@ -23,8 +23,7 @@
         (Identifier))
       (Identifier))
     (FunctionCall
-      (ParenthesizedExpression
-        (SubscriptAccess
-          (Identifier)
-          (Identifier)))
+      (SubscriptAccess
+        (Identifier)
+        (Identifier))
       (Identifier))))-}
diff --git a/test/fixtures/go/type-conversion-expressions.diff-B.txt b/test/fixtures/go/type-conversion-expressions.diff-B.txt
index ab98f4d74..bbea53595 100644
--- a/test/fixtures/go/type-conversion-expressions.diff-B.txt
+++ b/test/fixtures/go/type-conversion-expressions.diff-B.txt
@@ -23,8 +23,7 @@
         (Identifier))
       (Identifier))
     (FunctionCall
-      (ParenthesizedExpression
-        (SubscriptAccess
-          (Identifier)
-          (Identifier)))
+      (SubscriptAccess
+        (Identifier)
+        (Identifier))
       (Identifier))))-}
diff --git a/test/fixtures/go/type-conversion-expressions.diffA-B.txt b/test/fixtures/go/type-conversion-expressions.diffA-B.txt
index 201e00e62..6af3d23d3 100644
--- a/test/fixtures/go/type-conversion-expressions.diffA-B.txt
+++ b/test/fixtures/go/type-conversion-expressions.diffA-B.txt
@@ -32,11 +32,10 @@
     { (Identifier)
     ->(Identifier) })
     (FunctionCall
-      (ParenthesizedExpression
-        (SubscriptAccess
-        { (Identifier)
-        ->(Identifier) }
-        { (Identifier)
-        ->(Identifier) }))
+      (SubscriptAccess
+      { (Identifier)
+      ->(Identifier) }
+      { (Identifier)
+      ->(Identifier) })
     { (Identifier)
     ->(Identifier) })))
diff --git a/test/fixtures/go/type-conversion-expressions.diffB-A.txt b/test/fixtures/go/type-conversion-expressions.diffB-A.txt
index 201e00e62..6af3d23d3 100644
--- a/test/fixtures/go/type-conversion-expressions.diffB-A.txt
+++ b/test/fixtures/go/type-conversion-expressions.diffB-A.txt
@@ -32,11 +32,10 @@
     { (Identifier)
     ->(Identifier) })
     (FunctionCall
-      (ParenthesizedExpression
-        (SubscriptAccess
-        { (Identifier)
-        ->(Identifier) }
-        { (Identifier)
-        ->(Identifier) }))
+      (SubscriptAccess
+      { (Identifier)
+      ->(Identifier) }
+      { (Identifier)
+      ->(Identifier) })
     { (Identifier)
     ->(Identifier) })))
diff --git a/test/fixtures/go/type-conversion-expressions.parseA.txt b/test/fixtures/go/type-conversion-expressions.parseA.txt
index 3feb0a558..0dea327f8 100644
--- a/test/fixtures/go/type-conversion-expressions.parseA.txt
+++ b/test/fixtures/go/type-conversion-expressions.parseA.txt
@@ -23,8 +23,7 @@
         (Identifier))
       (Identifier))
     (FunctionCall
-      (ParenthesizedExpression
-        (SubscriptAccess
-          (Identifier)
-          (Identifier)))
+      (SubscriptAccess
+        (Identifier)
+        (Identifier))
       (Identifier))))
diff --git a/test/fixtures/go/type-conversion-expressions.parseB.txt b/test/fixtures/go/type-conversion-expressions.parseB.txt
index 3feb0a558..0dea327f8 100644
--- a/test/fixtures/go/type-conversion-expressions.parseB.txt
+++ b/test/fixtures/go/type-conversion-expressions.parseB.txt
@@ -23,8 +23,7 @@
         (Identifier))
       (Identifier))
     (FunctionCall
-      (ParenthesizedExpression
-        (SubscriptAccess
-          (Identifier)
-          (Identifier)))
+      (SubscriptAccess
+        (Identifier)
+        (Identifier))
       (Identifier))))