diff --git a/grammars/compare_output b/grammars/compare_output
index 51fd306..7d2f99d 160000
--- a/grammars/compare_output
+++ b/grammars/compare_output
@@ -1 +1 @@
-Subproject commit 51fd3069d1b69524b8ac74d0531240a617b1aee1
+Subproject commit 7d2f99db0399f210a43ab8129f57f6dedbda5a98
diff --git a/grammars/compare_output.wasm b/grammars/compare_output.wasm
deleted file mode 100755
index 1dc206c..0000000
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diff --git a/grammars/hack_assembly b/grammars/hack_assembly
index 74f44fa..a2442f5 160000
--- a/grammars/hack_assembly
+++ b/grammars/hack_assembly
@@ -1 +1 @@
-Subproject commit 74f44fa77e9a80be9a76de68d52719e354b38045
+Subproject commit a2442f53ea27dc112b6774cb79504a0787a21919
diff --git a/grammars/hack_assembly.wasm b/grammars/hack_assembly.wasm
deleted file mode 100755
index c3701c6..0000000
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diff --git a/grammars/hack_binary b/grammars/hack_binary
index d408c50..c403485 160000
--- a/grammars/hack_binary
+++ b/grammars/hack_binary
@@ -1 +1 @@
-Subproject commit d408c5082708fa53cacbbfdd951086a484818e09
+Subproject commit c4034857c7b6f0cd30e64ce93c8ad636c03c20c7
diff --git a/grammars/hack_binary.wasm b/grammars/hack_binary.wasm
deleted file mode 100755
index de12a88..0000000
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diff --git a/grammars/hdl b/grammars/hdl
index 2199fdf..36da989 160000
--- a/grammars/hdl
+++ b/grammars/hdl
@@ -1 +1 @@
-Subproject commit 2199fdf1d302100a53002ea2cf540999119836a0
+Subproject commit 36da98940338ee406e8c02b9841a575663608f54
diff --git a/grammars/hdl.wasm b/grammars/hdl.wasm
deleted file mode 100755
index 95b8362..0000000
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diff --git a/grammars/jack b/grammars/jack
index 1a61741..c2d0dbb 160000
--- a/grammars/jack
+++ b/grammars/jack
@@ -1 +1 @@
-Subproject commit 1a617413ea92c237bff4cbe7fa67eb3bf4425596
+Subproject commit c2d0dbbe798702ffc444329ccbedc82eeb9c2a9e
diff --git a/grammars/jack.wasm b/grammars/jack.wasm
deleted file mode 100755
index 076f839..0000000
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diff --git a/grammars/test_script b/grammars/test_script
index 909bf1d..0a17b7a 160000
--- a/grammars/test_script
+++ b/grammars/test_script
@@ -1 +1 @@
-Subproject commit 909bf1dfe8de45ff9e9b1ac4262848572fca9e90
+Subproject commit 0a17b7ae9a3db236f4821d65a4795439ec64fc5c
diff --git a/grammars/test_script.wasm b/grammars/test_script.wasm
deleted file mode 100755
index 9c1bef4..0000000
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diff --git a/grammars/vm b/grammars/vm
index 615f50f..8539960 160000
--- a/grammars/vm
+++ b/grammars/vm
@@ -1 +1 @@
-Subproject commit 615f50fc59e71e366fa523d7f95ef81365ecd619
+Subproject commit 85399605dffdf5d46cfa1d46517d15eac306f93c
diff --git a/grammars/vm.wasm b/grammars/vm.wasm
deleted file mode 100755
index ebe2d22..0000000
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diff --git a/grammars/xml b/grammars/xml
index 1e86bc6..4c8286d 160000
--- a/grammars/xml
+++ b/grammars/xml
@@ -1 +1 @@
-Subproject commit 1e86bc6d160b2377fbed328d9b4de21599f7b9e8
+Subproject commit 4c8286def07d6300125888d61a35aec8ee055270
diff --git a/grammars/xml.wasm b/grammars/xml.wasm
deleted file mode 100755
index 07e1436..0000000
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diff --git a/test-hack.asm b/test-hack.asm
deleted file mode 100644
index e956a87..0000000
--- a/test-hack.asm
+++ /dev/null
@@ -1,6 +0,0 @@
-@2
-D=A
-@3
-D=D+A
-@0
-M=D
diff --git a/test-hdl.hdl b/test-hdl.hdl
deleted file mode 100644
index f527634..0000000
--- a/test-hdl.hdl
+++ /dev/null
@@ -1,29 +0,0 @@
-// Test HDL file for syntax highlighting
-/**
- * Example chip demonstrating various HDL syntax patterns
- */
-CHIP TestChip {
-    IN  in[16],         // 16-bit input
-        load,           // control signal
-        address[3];     // 3-bit address
-
-    OUT out[16],        // 16-bit output
-        ready;          // status signal
-
-    PARTS:
-    // Built-in chip reference
-    BUILTIN ALU;
-
-    // Clocked body
-    CLOCKED DFF, Register;
-
-    // Part instantiation with connections
-    Mux16(a=in, b=out, sel=load, out=muxOut);
-    
-    // Register with bus connections
-    Register(in=muxOut, load=load, out=out);
-    
-    // Complex connection
-    ALU(x=in, y=out, zx=load, nx=false, zy=true, ny=false, 
-        f=true, no=false, out=aluOut, zr=zero, ng=negative);
-}