diff --git a/engine-proto/gram-test/circles-in-triangle.jl b/engine-proto/gram-test/circles-in-triangle.jl
index f7248df..1bd22a7 100644
--- a/engine-proto/gram-test/circles-in-triangle.jl
+++ b/engine-proto/gram-test/circles-in-triangle.jl
@@ -12,22 +12,22 @@ for j in 1:9
   for k in 1:9
     filled = false
     if j == 9
-      if (k <= 5 && k != 2)
+      if k <= 5 && k != 2
         push!(values, 0)
         filled = true
       end
     elseif k == 9
-      if (j <= 5 && j != 2)
+      if j <= 5 && j != 2
         push!(values, 0)
         filled = true
       end
     elseif j == k
       push!(values, 1)
       filled = true
-    elseif (j == 1 || k == 1)
+    elseif j == 1 || k == 1
       push!(values, 0)
       filled = true
-    elseif (j == 2 || k == 2)
+    elseif j == 2 || k == 2
       push!(values, -1)
       filled = true
     end
diff --git a/engine-proto/gram-test/sphere-in-tetrahedron.jl b/engine-proto/gram-test/sphere-in-tetrahedron.jl
index 1c36e99..97f0720 100644
--- a/engine-proto/gram-test/sphere-in-tetrahedron.jl
+++ b/engine-proto/gram-test/sphere-in-tetrahedron.jl
@@ -24,7 +24,7 @@ for j in 1:6
     elseif j == k
       push!(values, 1)
       filled = true
-    elseif (j <= 4 && k <= 4)
+    elseif j <= 4 && k <= 4
       push!(values, -1/BigFloat(3))
       filled = true
     else