diff --git a/posix.mak b/posix.mak
index 6f8b22083..b2a57f680 100644
--- a/posix.mak
+++ b/posix.mak
@@ -210,7 +210,7 @@ EXTRA_MODULES_INTERNAL := $(addprefix			\
 	gammafunction errorfunction) $(addprefix std/internal/, \
 	cstring processinit unicode_tables scopebuffer\
 	unicode_comp unicode_decomp unicode_grapheme unicode_norm) \
-	$(addprefix std/internal/test/, dummyrange uda) \
+	$(addprefix std/internal/test/, dummyrange) \
 	$(addprefix std/experimental/ndslice/, internal) \
 	$(addprefix std/algorithm/, internal)
 
diff --git a/std/internal/test/uda.d b/std/internal/test/uda.d
index 27970582d..88e3a1b5a 100644
--- a/std/internal/test/uda.d
+++ b/std/internal/test/uda.d
@@ -14,13 +14,3 @@ struct HasPrivateMembers
   @Attr private int c;
   private int d;
 }
-
-// If getSymbolsByUDA is mixed into the same scope it also returns private members
-unittest
-{
-    import std.traits : getSymbolsByUDA, hasUDA;
-    mixin getSymbolsByUDA!(HasPrivateMembers, Attr) symbols;
-    static assert(symbols.getSymbolsByUDA.length == 2);
-    static assert(hasUDA!(symbols.getSymbolsByUDA[0], Attr));
-    static assert(hasUDA!(symbols.getSymbolsByUDA[1], Attr));
-}
diff --git a/std/traits.d b/std/traits.d
index 14d74790f..7c29681c5 100644
--- a/std/traits.d
+++ b/std/traits.d
@@ -6798,37 +6798,14 @@ unittest
     static assert(getSymbolsByUDA!(C, UDA)[1].stringof == "d");
 }
 
-/// mixin getSymbolsByUDA to also find private members
-unittest
-{
-    import std.traits;
-    enum UDA;
-    struct S
-    {
-        @UDA int visible;
-        @UDA private int invisible;
-    }
-    // mixin the template instantiation, using a name to avoid namespace pollution
-    mixin getSymbolsByUDA!(S, UDA) symbols;
-    // as the template is instantiated in the current scope, it can see private members
-    // mixin templates don't perform eponymous expansion, so an additional `.getSymbolsByUDA` is needed
-    static assert(symbols.getSymbolsByUDA.length == 2);
-}
-
 // #15335: getSymbolsByUDA fails if type has private members
 unittest
 {
-    // HasPrivateMembers has private members, but only the ones visible from std.traits are returned
+    // HasPrivateMembers has, well, private members, one of which has a UDA.
     import std.internal.test.uda;
-    // whether allMembers returns private members, see dmd fix for Issue 15907
-    static if (__traits(allMembers, HasPrivateMembers).length == 2)
-        static assert(getSymbolsByUDA!(HasPrivateMembers, Attr).length == 1);
-    else
-    {
-        static assert(getSymbolsByUDA!(HasPrivateMembers, Attr).length == 2);
-        static assert(hasUDA!(getSymbolsByUDA!(HasPrivateMembers, Attr)[1], Attr));
-    }
+    static assert(getSymbolsByUDA!(HasPrivateMembers, Attr).length == 2);
     static assert(hasUDA!(getSymbolsByUDA!(HasPrivateMembers, Attr)[0], Attr));
+    static assert(hasUDA!(getSymbolsByUDA!(HasPrivateMembers, Attr)[1], Attr));
 }
 
 /**
diff --git a/win32.mak b/win32.mak
index e3e1879b0..1cdb211fa 100644
--- a/win32.mak
+++ b/win32.mak
@@ -238,7 +238,7 @@ SRC_STD_C_FREEBSD= std\c\freebsd\socket.d
 SRC_STD_INTERNAL= std\internal\cstring.d std\internal\processinit.d \
 	std\internal\unicode_tables.d std\internal\unicode_comp.d std\internal\unicode_decomp.d \
 	std\internal\unicode_grapheme.d std\internal\unicode_norm.d std\internal\scopebuffer.d \
-	std\internal\test\dummyrange.d std\internal\test\uda.d
+	std\internal\test\dummyrange.d
 
 SRC_STD_INTERNAL_DIGEST= std\internal\digest\sha_SSSE3.d