diff --git a/lib/std/process.zig b/lib/std/process.zig
index 81b75faeb1cf9f1f590988e7028134d908e80844..b796150b3ba38c8828ceef01b6fe8250456090e4 100644
--- a/lib/std/process.zig
+++ b/lib/std/process.zig
@@ -38,7 +38,6 @@ pub fn getEnvMap(allocator: *Allocator) !BufMap {
 
     if (builtin.os == .windows) {
         const ptr = os.windows.peb().ProcessParameters.Environment;
-        defer os.windows.FreeEnvironmentStringsW(ptr);
 
         var i: usize = 0;
         while (ptr[i] != 0) {