diff --git a/apps/self/mandel.h b/apps/self/mandel.h
index efe4869..b1b5f9d 100644
--- a/apps/self/mandel.h
+++ b/apps/self/mandel.h
@@ -17,12 +17,9 @@ const unsigned char mandel[] = {
   0x93, 0x05, 0x00, 0x00, 0x93, 0x08, 0x00, 0x00, 0x73, 0x00, 0x00, 0x00,
   0x13, 0x0e, 0x1e, 0x09, 0xe3, 0xd6, 0xc3, 0xf9, 0x13, 0x05, 0xa0, 0x00,
   0x93, 0x05, 0x00, 0x00, 0x93, 0x08, 0x00, 0x00, 0x73, 0x00, 0x00, 0x00,
-  0x13, 0x08, 0x98, 0x19, 0xe3, 0xd6, 0x02, 0xf7, 0x37, 0x05, 0x00, 0x80,
-  0x13, 0x05, 0x05, 0x10, 0x93, 0x08, 0x30, 0x00, 0x93, 0x05, 0x00, 0x00,
-  0x73, 0x00, 0x00, 0x00, 0x03, 0x24, 0xc1, 0x00, 0x13, 0x01, 0x01, 0x01,
-  0x67, 0x80, 0x00, 0x00, 0x48, 0x65, 0x6c, 0x6c, 0x6f, 0x20, 0x77, 0x6f,
-  0x72, 0x6c, 0x64, 0x00
+  0x13, 0x08, 0x98, 0x19, 0xe3, 0xd6, 0x02, 0xf7, 0x03, 0x24, 0xc1, 0x00,
+  0x13, 0x01, 0x01, 0x01, 0x67, 0x80, 0x00, 0x00
 };
 unsigned int mandel_len = 
-268
+236
 ;
diff --git a/apps/self/self.c b/apps/self/self.c
index 1be0b52..8829cf6 100644
--- a/apps/self/self.c
+++ b/apps/self/self.c
@@ -26,18 +26,18 @@ void main(void) {
                         putc(uvm32_arg_getval(&vmst, &evt, ARG0));
                     break;
                     case UVM32_SYSCALL_PRINTLN: {
-                        const char *str = uvm32_arg_getcstr(&vmst, &evt, ARG0);
-                        println(str);
+                        //const char *str = uvm32_arg_getcstr(&vmst, &evt, ARG0);
+                        //println(str);
                     } break;
                     default:
-                        println("Unhandled syscall");
+                        // println("Unhandled syscall");
                     break;
                 }
             break;
             case UVM32_EVT_ERR:
-                println("error: ");
-                printdec(evt.data.err.errcode);
-                println("");
+                // println("error: ");
+                // printdec(evt.data.err.errcode);
+                // println("");
             break;
             default:
             break;
diff --git a/apps/zig-mandel/src/main.zig b/apps/zig-mandel/src/main.zig
index 5a0f13e..4b57d33 100644
--- a/apps/zig-mandel/src/main.zig
+++ b/apps/zig-mandel/src/main.zig
@@ -36,5 +36,4 @@ fn mandel() void {
 
 export fn main() void {
     mandel();
-    uvm.println("Hello world");
 }
diff --git a/hosts/host-mini/mandel.h b/hosts/host-mini/mandel.h
index efe4869..b1b5f9d 100644
--- a/hosts/host-mini/mandel.h
+++ b/hosts/host-mini/mandel.h
@@ -17,12 +17,9 @@ const unsigned char mandel[] = {
   0x93, 0x05, 0x00, 0x00, 0x93, 0x08, 0x00, 0x00, 0x73, 0x00, 0x00, 0x00,
   0x13, 0x0e, 0x1e, 0x09, 0xe3, 0xd6, 0xc3, 0xf9, 0x13, 0x05, 0xa0, 0x00,
   0x93, 0x05, 0x00, 0x00, 0x93, 0x08, 0x00, 0x00, 0x73, 0x00, 0x00, 0x00,
-  0x13, 0x08, 0x98, 0x19, 0xe3, 0xd6, 0x02, 0xf7, 0x37, 0x05, 0x00, 0x80,
-  0x13, 0x05, 0x05, 0x10, 0x93, 0x08, 0x30, 0x00, 0x93, 0x05, 0x00, 0x00,
-  0x73, 0x00, 0x00, 0x00, 0x03, 0x24, 0xc1, 0x00, 0x13, 0x01, 0x01, 0x01,
-  0x67, 0x80, 0x00, 0x00, 0x48, 0x65, 0x6c, 0x6c, 0x6f, 0x20, 0x77, 0x6f,
-  0x72, 0x6c, 0x64, 0x00
+  0x13, 0x08, 0x98, 0x19, 0xe3, 0xd6, 0x02, 0xf7, 0x03, 0x24, 0xc1, 0x00,
+  0x13, 0x01, 0x01, 0x01, 0x67, 0x80, 0x00, 0x00
 };
 unsigned int mandel_len = 
-268
+236
 ;
diff --git a/precompiled/agnes.bin b/precompiled/agnes.bin
index 8973d07..6587e5f 100755
Binary files a/precompiled/agnes.bin and b/precompiled/agnes.bin differ
diff --git a/precompiled/mandel.bin b/precompiled/mandel.bin
index ea0fd73..18222a9 100755
Binary files a/precompiled/mandel.bin and b/precompiled/mandel.bin differ
diff --git a/precompiled/self.bin b/precompiled/self.bin
index 22cc818..be59e62 100755
Binary files a/precompiled/self.bin and b/precompiled/self.bin differ