diff --git a/index.d b/index.d
index 95ede7607..bb4aa04d6 100644
--- a/index.d
+++ b/index.d
@@ -496,7 +496,6 @@ $(COMMENT
             $(LINK2 std_mmfile.html, std.mmfile)$(BR)
             $(LINK2 std_socketstream.html, std.socketstream)$(BR)
             $(LINK2 std_stream.html, std.stream)$(BR)
-            $(LINK2 std_syserror.html, std.syserror)$(BR)
             $(LINK2 std_typetuple.html, std.typetuple)$(BR)
         )
         $(TD
diff --git a/posix.mak b/posix.mak
index c1e6c2dca..f10d00c2d 100644
--- a/posix.mak
+++ b/posix.mak
@@ -163,7 +163,7 @@ PACKAGE_std = array ascii base64 bigint bitmanip compiler complex concurrency \
   concurrencybase conv cstream csv datetime demangle encoding exception file format \
   functional getopt json math mathspecial meta mmfile numeric \
   outbuffer parallelism path process random signals socket socketstream stdint \
-  stdio stdiobase stream string syserror system traits typecons typetuple uni \
+  stdio stdiobase stream string system traits typecons typetuple uni \
   uri utf uuid variant xml zip zlib
 PACKAGE_std_algorithm = comparison iteration mutation package searching setops \
   sorting
diff --git a/std/algorithm/package.d b/std/algorithm/package.d
index 9e44726ac..73aca2b82 100644
--- a/std/algorithm/package.d
+++ b/std/algorithm/package.d
@@ -184,5 +184,6 @@ public import std.algorithm.searching;
 public import std.algorithm.sorting;
 
 static import std.functional;
+// Explicitly undocumented. It will be removed in March 2017. @@@DEPRECATED_2017-03@@@
 deprecated("Please use std.functional.forward instead.")
 alias forward = std.functional.forward;
diff --git a/std/array.d b/std/array.d
index 74fd91131..56e552fca 100644
--- a/std/array.d
+++ b/std/array.d
@@ -1419,8 +1419,12 @@ unittest
     assert(a == [[1], [4, 5, 1], [4, 5]]);
 }
 
+// @@@DEPRECATED_2017-01@@@
 /++
-Alias for $(XREF_PACK algorithm,iteration,_splitter).
+    $(RED Deprecated. Use $(XREF_PACK algorithm,iteration,_splitter) instead.
+          This will be removed in January 2017.)
+
+    Alias for $(XREF_PACK algorithm,iteration,_splitter).
  +/
 deprecated("Please use std.algorithm.iteration.splitter instead.")
 alias splitter = std.algorithm.iteration.splitter;
@@ -2676,6 +2680,7 @@ if (isDynamicArray!A)
     //Broken function. To be removed.
     static if (is(T == immutable))
     {
+        // Explicitly undocumented. It will be removed in March 2016. @@@DEPRECATED_2016-03@@@
         deprecated ("Using this constructor will break the type system. Please fix your code to use `Appender!(T[]).this(T[] arr)' directly.")
         this(Unqual!T[] arr) pure nothrow
         {
diff --git a/std/bitmanip.d b/std/bitmanip.d
index 5cdc9882a..94ca41f69 100644
--- a/std/bitmanip.d
+++ b/std/bitmanip.d
@@ -720,6 +720,7 @@ unittest
 
 struct BitArray
 {
+    // Explicitly undocumented. They will be removed in April 2016. @@@DEPRECATED_2016-04@@@
     deprecated("Use the constructor instead.")
     @property void ptr(size_t* p) pure nothrow @nogc { _ptr = p; }
     deprecated("Use .opIndex instead.")
@@ -1248,14 +1249,14 @@ public:
         return hash;
     }
 
-    // Explictly undocumented. It will be removed in January 2017. @@@DEPRECATED_2017-01@@@
+    // Explicitly undocumented. It will be removed in January 2017. @@@DEPRECATED_2017-01@@@
     deprecated("Use the constructor instead.")
     void init(bool[] ba) pure nothrow
     {
         this = BitArray(ba);
     }
 
-    // Explictly undocumented. It will be removed in January 2017. @@@DEPRECATED_2017-01@@@
+    // Explicitly undocumented. It will be removed in January 2017. @@@DEPRECATED_2017-01@@@
     deprecated("Use the constructor instead.")
     void init(void[] v, size_t numbits) pure nothrow
     {
diff --git a/std/math.d b/std/math.d
index a28b2f74e..fa7c6415f 100644
--- a/std/math.d
+++ b/std/math.d
@@ -4883,6 +4883,7 @@ bool isNaN(X)(X x) @nogc @trusted pure nothrow
     assert(!isNaN(cast(real)-53.6));
 }
 
+// Explicitly undocumented. It will be removed in July 2016. @@@DEPRECATED_2016-07@@@
 deprecated("isNaN is not defined for integer types")
 bool isNaN(X)(X x) @nogc @trusted pure nothrow
     if (isIntegral!(X))
@@ -4962,6 +4963,7 @@ bool isFinite(X)(X x) @trusted pure nothrow @nogc
     assert(!isFinite(real.infinity));
 }
 
+// Explicitly undocumented. It will be removed in July 2016. @@@DEPRECATED_2016-07@@@
 deprecated("isFinite is not defined for integer types")
 int isFinite(X)(X x) @trusted pure nothrow @nogc
     if (isIntegral!(X))
@@ -5085,6 +5087,7 @@ bool isSubnormal(X)(X x) @trusted pure nothrow @nogc
     }
 }
 
+// Explicitly undocumented. It will be removed in July 2016. @@@DEPRECATED_2016-07@@@
 deprecated("isSubnormal is not defined for integer types")
 int isSubnormal(X)(X x) @trusted pure nothrow @nogc
     if (isIntegral!X)
@@ -5281,6 +5284,7 @@ int signbit(X)(X x) @nogc @trusted pure nothrow
 }
 
 
+// Explicitly undocumented. It will be removed in July 2016. @@@DEPRECATED_2016-07@@@
 deprecated("signbit is not defined for integer types")
 int signbit(X)(X x) @nogc @trusted pure nothrow
     if (isIntegral!X)
@@ -5347,6 +5351,7 @@ R copysign(R, X)(X to, R from) @trusted pure nothrow @nogc
     }
 }
 
+// Explicitly undocumented. It will be removed in July 2016. @@@DEPRECATED_2016-07@@@
 deprecated("copysign : from can't be of integer type")
 R copysign(R, X)(X to, R from) @trusted pure nothrow @nogc
     if (isIntegral!R)
@@ -6960,6 +6965,7 @@ bool approxEqual(T, U)(T lhs, U rhs)
     assert(approxEqual(10, a));
 }
 
+// Explicitly undocumented. They will be removed in March 2017. @@@DEPRECATED_2017-03@@@
 // Included for backwards compatibility with Phobos1
 deprecated("Phobos1 math functions are deprecated, use isNaN") alias isnan = isNaN;
 deprecated("Phobos1 math functions are deprecated, use isFinite ") alias isfinite = isFinite;
diff --git a/std/stdio.d b/std/stdio.d
index f40688200..bd0ef221c 100644
--- a/std/stdio.d
+++ b/std/stdio.d
@@ -2466,12 +2466,6 @@ $(D Range) that locks the file and allows fast writing to it.
         _iobuf* handle_;     // the unshared version of fps
         int orientation_;
     public:
-        deprecated("accessing fps/handle/orientation directly can break LockingTextWriter integrity")
-        {
-            alias fps = fps_;
-            alias handle = handle_;
-            alias orientation = orientation_;
-        }
 
         this(ref File f) @trusted
         {
diff --git a/std/syserror.d b/std/syserror.d
deleted file mode 100644
index 4a8d5523e..000000000
--- a/std/syserror.d
+++ /dev/null
@@ -1,52 +0,0 @@
-// Written in the D programming language
-// Placed in public domain.
-// Written by Walter Bright
-
-/**
- Convert Win32 error code to string
-
- $(RED This module has been deprecated. Please see
-    $(LINK2 std_windows_syserror.html, std.windows._syserror) instead).
-
- Source:    $(PHOBOSSRC std/_syserror.d)
-*/
-
-module std.syserror;
-
-// Deprecated - instead use std.windows.syserror.sysErrorString()
-
-deprecated("Please use std.windows.syserror.sysErrorString instead")
-class SysError
-{
-    private import core.stdc.stdio;
-    private import core.stdc.string;
-    private import std.string;
-
-    static string msg(uint errcode)
-    {
-        string result;
-
-        switch (errcode)
-        {
-            case 2:     result = "file not found";      break;
-            case 3:     result = "path not found";      break;
-            case 4:     result = "too many open files"; break;
-            case 5:     result = "access denied";       break;
-            case 6:     result = "invalid handle";      break;
-            case 8:     result = "not enough memory";   break;
-            case 14:    result = "out of memory";       break;
-            case 15:    result = "invalid drive";       break;
-            case 21:    result = "not ready";           break;
-            case 32:    result = "sharing violation";   break;
-            case 87:    result = "invalid parameter";   break;
-
-            default:
-                auto r = new char[uint.sizeof * 3 + 1];
-                auto len = sprintf(r.ptr, "%u", errcode);
-                result = cast(string) r[0 .. len];
-                break;
-        }
-
-        return result;
-    }
-}
diff --git a/std/windows/registry.d b/std/windows/registry.d
index 3b6adb558..1520609be 100644
--- a/std/windows/registry.d
+++ b/std/windows/registry.d
@@ -1292,12 +1292,6 @@ public:
         return value;
     }
 
-    deprecated("Please use value_QWORD instead.")
-    ulong value_QWORD_LITTLEENDIAN()
-    {
-        return value_QWORD;
-    }
-
     /**
         Obtains the value as a binary blob.
 
diff --git a/unittest.d b/unittest.d
index cb226d766..73a9cd625 100644
--- a/unittest.d
+++ b/unittest.d
@@ -42,7 +42,6 @@ public import std.stdint;
 public import std.stdio;
 public import std.stream;
 public import std.string;
-public import std.syserror;
 public import std.system;
 public import std.traits;
 public import std.typetuple;
diff --git a/win32.mak b/win32.mak
index 157fb4655..1cdb211fa 100644
--- a/win32.mak
+++ b/win32.mak
@@ -167,8 +167,7 @@ SRC_STD_ALLOC= std\experimental\allocator\common.d std\experimental\allocator\gc
 	std\experimental\allocator\package.d \
 	$(SRC_STD_ALLOC_BB)
 
-SRC_STD_6= std\variant.d \
-	std\syserror.d std\zlib.d \
+SRC_STD_6= std\variant.d std\zlib.d \
 	std\stream.d std\socket.d std\socketstream.d \
 	std\conv.d std\zip.d std\cstream.d \
 	$(SRC_STD_CONTAINER) $(SRC_STD_LOGGER) $(SRC_STD_ALLOC)
@@ -190,7 +189,6 @@ SRC_STD= std\zlib.d std\zip.d std\stdint.d std\conv.d std\utf.d std\uri.d \
 	std\csv.d std\file.d std\compiler.d std\system.d \
 	std\outbuffer.d std\base64.d \
 	std\meta.d std\mmfile.d \
-	std\syserror.d \
 	std\random.d std\stream.d std\process.d \
 	std\socket.d std\socketstream.d std\format.d \
 	std\stdio.d std\uni.d std\uuid.d \
@@ -555,7 +553,6 @@ cov : $(SRC_TO_COMPILE) $(LIB)
 	$(DMD) -conf= -cov=95 -unittest -main -run std\algorithm\setops.d
 	$(DMD) -conf= -cov=95 -unittest -main -run std\algorithm\sorting.d
 	$(DMD) -conf= -cov=83 -unittest -main -run std\variant.d
-	$(DMD) -conf= -cov=0  -unittest -main -run std\syserror.d
 	$(DMD) -conf= -cov=58 -unittest -main -run std\zlib.d
 	$(DMD) -conf= -cov=54 -unittest -main -run std\stream.d
 	$(DMD) -conf= -cov=53 -unittest -main -run std\socket.d
diff --git a/win64.mak b/win64.mak
index 0a38fcf85..2254a7fa4 100644
--- a/win64.mak
+++ b/win64.mak
@@ -174,7 +174,6 @@ SRC_STD_5a=$(SRC_STD_ALGO_1)
 SRC_STD_5b=$(SRC_STD_ALGO_2)
 
 SRC_STD_6a=std\variant.d
-SRC_STD_6b=std\syserror.d
 SRC_STD_6c=std\zlib.d
 SRC_STD_6d=std\stream.d
 SRC_STD_6e=std\socket.d
@@ -194,7 +193,6 @@ SRC_STD_ALL= $(SRC_STD_1_HEAVY) $(SRC_STD_2a_HEAVY) \
 	$(SRC_STD_math) \
 	$(SRC_STD_3) $(SRC_STD_3a) $(SRC_STD_3b) $(SRC_STD_3c) $(SRC_STD_4) \
 	$(SRC_STD_6a) \
-	$(SRC_STD_6b) \
 	$(SRC_STD_6c) \
 	$(SRC_STD_6d) \
 	$(SRC_STD_6e) \
@@ -214,7 +212,6 @@ SRC_STD= std\zlib.d std\zip.d std\stdint.d std\conv.d std\utf.d std\uri.d \
 	std\csv.d std\file.d std\compiler.d std\system.d \
 	std\outbuffer.d std\base64.d \
 	std\meta.d std\mmfile.d \
-	std\syserror.d \
 	std\random.d std\stream.d std\process.d \
 	std\socket.d std\socketstream.d std\format.d \
 	std\stdio.d std\uni.d std\uuid.d \
@@ -500,7 +497,6 @@ UNITTEST_OBJS= \
 		unittest5a.obj \
 		unittest5b.obj \
 		unittest6a.obj \
-		unittest6b.obj \
 		unittest6c.obj \
 		unittest6d.obj \
 		unittest6e.obj \
@@ -526,7 +522,6 @@ unittest : $(LIB)
 	$(DMD) $(UDFLAGS) -c -unittest -ofunittest5a.obj $(SRC_STD_5a)
 	$(DMD) $(UDFLAGS) -c -unittest -ofunittest5b.obj $(SRC_STD_5b)
 	$(DMD) $(UDFLAGS) -c -unittest -ofunittest6a.obj $(SRC_STD_6a)
-	$(DMD) $(UDFLAGS) -c -unittest -ofunittest6b.obj $(SRC_STD_6b)
 	$(DMD) $(UDFLAGS) -c -unittest -ofunittest6c.obj $(SRC_STD_6c)
 	$(DMD) $(UDFLAGS) -c -unittest -ofunittest6d.obj $(SRC_STD_6d)
 	$(DMD) $(UDFLAGS) -c -unittest -ofunittest6e.obj $(SRC_STD_6e)