diff --git a/vlib/v/gen/c/cgen.v b/vlib/v/gen/c/cgen.v
index 9802de9033..a4f2f7a8b5 100644
--- a/vlib/v/gen/c/cgen.v
+++ b/vlib/v/gen/c/cgen.v
@@ -5179,12 +5179,6 @@ fn (mut g Gen) write_init_function() {
 	fn_vinit_start_pos := g.out.len
 	// ___argv is declared as voidptr here, because that unifies the windows/unix logic
 	g.writeln('void _vinit(int ___argc, voidptr ___argv) {')
-	if g.is_autofree {
-		// Pre-allocate the string buffer
-		// s_str_buf_size := os.getenv('V_STRBUF_MB')
-		// mb_size := if s_str_buf_size == '' { 1 } else { s_str_buf_size.int() }
-		// g.writeln('g_str_buf = malloc( ${mb_size} * 1024 * 1000 );')
-	}
 	if g.pref.prealloc {
 		g.writeln('prealloc_vinit();')
 	}
@@ -5223,7 +5217,6 @@ fn (mut g Gen) write_init_function() {
 			g.writeln('\t// Cleanups for module $mod_name :')
 			g.writeln(g.cleanups[mod_name].str())
 		}
-		// g.writeln('\tfree(g_str_buf);')
 		g.writeln('\tarray_free(&as_cast_type_indexes);')
 	}
 	g.writeln('}')
diff --git a/vlib/v/gen/c/cheaders.v b/vlib/v/gen/c/cheaders.v
index a855864287..f16725e5dd 100644
--- a/vlib/v/gen/c/cheaders.v
+++ b/vlib/v/gen/c/cheaders.v
@@ -264,8 +264,6 @@ typedef int (*qsort_callback_func)(const void*, const void*);
 #include <stdarg.h> // for va_list
 
 //================================== GLOBALS =================================*/
-//byte g_str_buf[1024];
-byte* g_str_buf;
 int load_so(byteptr);
 void reload_so();
 void _vinit(int ___argc, voidptr ___argv);
@@ -464,8 +462,6 @@ typedef __builtin_va_list va_list;
 #define va_copy(a, b)  __builtin_va_copy(a, b)
 
 //================================== GLOBALS =================================*/
-//byte g_str_buf[1024];
-byte* g_str_buf;
 int load_so(byteptr);
 void reload_so();
 void _vinit(int ___argc, voidptr ___argv);