diff --git a/lib/std/Build/Cache/Path.zig b/lib/std/Build/Cache/Path.zig
index 27dd15184b..d7266da9b0 100644
--- a/lib/std/Build/Cache/Path.zig
+++ b/lib/std/Build/Cache/Path.zig
@@ -58,7 +58,7 @@ pub fn openFile(
     return p.root_dir.handle.openFile(joined_path, flags);
 }
 
-pub fn makeOpenPath(p: Path, sub_path: []const u8, opts: fs.OpenDirOptions) !fs.Dir {
+pub fn makeOpenPath(p: Path, sub_path: []const u8, opts: fs.Dir.OpenDirOptions) !fs.Dir {
     var buf: [fs.max_path_bytes]u8 = undefined;
     const joined_path = if (p.sub_path.len == 0) sub_path else p: {
         break :p std.fmt.bufPrint(&buf, "{s}" ++ fs.path.sep_str ++ "{s}", .{
diff --git a/lib/std/Build/Step/TranslateC.zig b/lib/std/Build/Step/TranslateC.zig
index e07744c2da..d7c62ed194 100644
--- a/lib/std/Build/Step/TranslateC.zig
+++ b/lib/std/Build/Step/TranslateC.zig
@@ -107,7 +107,7 @@ pub fn addCheckFile(translate_c: *TranslateC, expected_matches: []const []const
 /// If the value is omitted, it is set to 1.
 /// `name` and `value` need not live longer than the function call.
 pub fn defineCMacro(translate_c: *TranslateC, name: []const u8, value: ?[]const u8) void {
-    const macro = std.Build.constructranslate_cMacro(translate_c.step.owner.allocator, name, value);
+    const macro = translate_c.step.owner.fmt("{s}={s}", .{ name, value orelse "1" });
     translate_c.c_macros.append(macro) catch @panic("OOM");
 }
 
diff --git a/lib/std/array_hash_map.zig b/lib/std/array_hash_map.zig
index ba086f8764..c82c553370 100644
--- a/lib/std/array_hash_map.zig
+++ b/lib/std/array_hash_map.zig
@@ -427,7 +427,7 @@ pub fn ArrayHashMap(
         /// Set the map to an empty state, making deinitialization a no-op, and
         /// returning a copy of the original.
         pub fn move(self: *Self) Self {
-            self.pointer_stability.assertUnlocked();
+            self.unmanaged.pointer_stability.assertUnlocked();
             const result = self.*;
             self.unmanaged = .{};
             return result;
diff --git a/lib/std/coff.zig b/lib/std/coff.zig
index 1461ac7fbc..211b1a1819 100644
--- a/lib/std/coff.zig
+++ b/lib/std/coff.zig
@@ -542,7 +542,7 @@ pub const SectionHeader = extern struct {
 
     pub fn setAlignment(self: *SectionHeader, new_alignment: u16) void {
         assert(new_alignment > 0 and new_alignment <= 8192);
-        self.flags.ALIGN = std.math.log2(new_alignment);
+        self.flags.ALIGN = @intCast(std.math.log2(new_alignment));
     }
 
     pub fn isCode(self: SectionHeader) bool {