diff --git a/src/Sema.zig b/src/Sema.zig
index 9dd7b1598e..963f7f5489 100644
--- a/src/Sema.zig
+++ b/src/Sema.zig
@@ -37530,7 +37530,7 @@ fn float128IntPartToBigInt(
     float: f128,
 ) !std.math.big.int.Managed {
     const is_negative = std.math.signbit(float);
-    const floored = @floor(@fabs(float));
+    const floored = @floor(@abs(float));
 
     var rational = try std.math.big.Rational.init(arena);
     defer rational.q.deinit();
diff --git a/src/arch/x86_64/encoder.zig b/src/arch/x86_64/encoder.zig
index bc4c59dc86..0923a43a77 100644
--- a/src/arch/x86_64/encoder.zig
+++ b/src/arch/x86_64/encoder.zig
@@ -105,7 +105,7 @@ pub const Instruction = struct {
                         try writer.print("{s} ptr [rip", .{@tagName(rip.ptr_size)});
                         if (rip.disp != 0) try writer.print(" {c} 0x{x}", .{
                             @as(u8, if (rip.disp < 0) '-' else '+'),
-                            std.math.absCast(rip.disp),
+                            @abs(rip.disp),
                         });
                         try writer.writeByte(']');
                     },
@@ -140,7 +140,7 @@ pub const Instruction = struct {
                                 try writer.print(" {c} ", .{@as(u8, if (sib.disp < 0) '-' else '+')})
                             else if (sib.disp < 0)
                                 try writer.writeByte('-');
-                            try writer.print("0x{x}", .{std.math.absCast(sib.disp)});
+                            try writer.print("0x{x}", .{@abs(sib.disp)});
                             any = true;
                         }
 
diff --git a/src/value.zig b/src/value.zig
index 217430a830..85b49f3e15 100644
--- a/src/value.zig
+++ b/src/value.zig
@@ -1989,7 +1989,7 @@ pub const Value = struct {
             return 1;
         }
 
-        const w_value = @fabs(scalar);
+        const w_value = @abs(scalar);
         return @divFloor(@as(std.math.big.Limb, @intFromFloat(std.math.log2(w_value))), @typeInfo(std.math.big.Limb).Int.bits) + 1;
     }
 
@@ -3741,11 +3741,11 @@ pub const Value = struct {
             .ComptimeFloat, .Float => {
                 const target = mod.getTarget();
                 const storage: InternPool.Key.Float.Storage = switch (ty.floatBits(target)) {
-                    16 => .{ .f16 = @fabs(val.toFloat(f16, mod)) },
-                    32 => .{ .f32 = @fabs(val.toFloat(f32, mod)) },
-                    64 => .{ .f64 = @fabs(val.toFloat(f64, mod)) },
-                    80 => .{ .f80 = @fabs(val.toFloat(f80, mod)) },
-                    128 => .{ .f128 = @fabs(val.toFloat(f128, mod)) },
+                    16 => .{ .f16 = @abs(val.toFloat(f16, mod)) },
+                    32 => .{ .f32 = @abs(val.toFloat(f32, mod)) },
+                    64 => .{ .f64 = @abs(val.toFloat(f64, mod)) },
+                    80 => .{ .f80 = @abs(val.toFloat(f80, mod)) },
+                    128 => .{ .f128 = @abs(val.toFloat(f128, mod)) },
                     else => unreachable,
                 };
                 return (try mod.intern(.{ .float = .{