diff --git a/tests/optimizer/eliminateDeadGlobals-output.js b/tests/optimizer/eliminateDeadGlobals-output.js
deleted file mode 100644
index 49aaad40ee0ec..0000000000000
--- a/tests/optimizer/eliminateDeadGlobals-output.js
+++ /dev/null
@@ -1,195 +0,0 @@
-var Module = {};
-Module["asm"] = (function(global, env, buffer) {
- "use asm";
- var HEAP8 = new global.Int8Array(buffer);
- var HEAP16 = new global.Int16Array(buffer);
- var HEAP32 = new global.Int32Array(buffer);
- var HEAPU8 = new global.Uint8Array(buffer);
- var HEAPU16 = new global.Uint16Array(buffer);
- var HEAPU32 = new global.Uint32Array(buffer);
- var HEAPF32 = new global.Float32Array(buffer);
- var HEAPF64 = new global.Float64Array(buffer);
- var STACKTOP = env.STACKTOP | 0;
- var _atoi = env._atoi;
- var _strlen = env._strlen;
- var __Znam = env.__Znam;
- var _puts = env._puts;
- var _memcpy = env._memcpy;
- var __ZdaPv = env.__ZdaPv;
- var __ZdlPv = env.__ZdlPv;
- function _emscripten_replace_memory(newBuffer) {
-  if (byteLength(newBuffer) & 16777215 || byteLength(newBuffer) <= 16777215 || byteLength(newBuffer) > 2147483648) return false;
-  HEAP8 = new Int8View(newBuffer);
-  HEAP16 = new Int16View(newBuffer);
-  HEAP32 = new Int32View(newBuffer);
-  HEAPU8 = new Uint8View(newBuffer);
-  HEAPU16 = new Uint16View(newBuffer);
-  HEAPU32 = new Uint32View(newBuffer);
-  HEAPF32 = new Float32View(newBuffer);
-  HEAPF64 = new Float64View(newBuffer);
-  buffer = newBuffer;
-  return true;
- }
- function _main(i1, i2) {
-  i1 = i1 | 0;
-  i2 = i2 | 0;
-  var d3 = 0, i4 = 0, i5 = 0, i6 = 0, i7 = 0, i8 = 0, i9 = 0, i10 = 0, i11 = 0, i12 = 0, d13 = 0;
-  i12 = STACKTOP;
-  STACKTOP = STACKTOP + 4240 | 0;
-  i9 = i12 + 2120 | 0;
-  i11 = i12;
-  if ((i1 | 0) > 1) i10 = _atoi(HEAP32[i2 + 4 >> 2] | 0) | 0; else i10 = 512;
-  i8 = __Znam(347) | 0;
-  _memcpy(i8 | 0, 520, 287) | 0;
-  i1 = i8 + 287 | 0;
-  i2 = 520;
-  i4 = i1 + 60 | 0;
-  do {
-   HEAP8[i1 >> 0] = HEAP8[i2 >> 0] | 0;
-   i1 = i1 + 1 | 0;
-   i2 = i2 + 1 | 0;
-  } while ((i1 | 0) < (i4 | 0));
-  i1 = i10 << 1;
-  if (i1) {
-   i2 = 0;
-   while (1) {
-    i7 = i1 >>> 0 < 60 ? i1 : 60;
-    i4 = __Znam(i7 + 2 | 0) | 0;
-    _memcpy(i4 | 0, i8 + i2 | 0, i7 | 0) | 0;
-    HEAP8[i4 + i7 >> 0] = 0;
-    i5 = _strlen(i4 | 0) | 0;
-    i6 = HEAP32[128] | 0;
-    if ((i5 | 0) > (i6 | 0)) {
-     if ((i6 | 0) > 0) {
-      HEAP8[i4 + i6 >> 0] = 0;
-      _puts(i4 | 0) | 0;
-      HEAP32[128] = 0;
-     }
-    } else {
-     _puts(i4 | 0) | 0;
-     HEAP32[128] = (HEAP32[128] | 0) - i5;
-    }
-    __ZdlPv(i4 | 0);
-    i2 = i7 + i2 | 0;
-    if ((i1 | 0) == (i7 | 0)) break; else {
-     i1 = i1 - i7 | 0;
-     i2 = i2 >>> 0 > 287 ? i2 + -287 | 0 : i2;
-    }
-   }
-  }
-  __ZdaPv(i8 | 0);
-  if (!(HEAP32[2] | 0)) {
-   i1 = 8;
-   i2 = 0;
-  } else {
-   i1 = 8;
-   d3 = 0;
-   do {
-    i8 = i1 + 8 | 0;
-    d3 = d3 + +HEAPF64[i8 >> 3];
-    d13 = d3 < 1 ? d3 : 1;
-    HEAPF64[i8 >> 3] = d13;
-    HEAP32[i1 + 16 >> 2] = ~~(d13 * 512) >>> 0;
-    i1 = i1 + 24 | 0;
-   } while ((HEAP32[i1 >> 2] | 0) != 0);
-   i1 = 8;
-   i2 = 0;
-  }
-  do {
-   while (1) {
-    i8 = HEAP32[i1 + 16 >> 2] | 0;
-    if (i2 >>> 0 > i8 >>> 0 & (i8 | 0) != 0) i1 = i1 + 24 | 0; else break;
-   }
-   HEAP32[i9 + (i2 << 2) >> 2] = i1;
-   i2 = i2 + 1 | 0;
-  } while ((i2 | 0) != 513);
-  HEAP32[i9 + 2116 >> 2] = 0;
-  i1 = i10 * 3 | 0;
-  if (i1) while (1) {
-   i2 = i1 >>> 0 < 60 ? i1 : 60;
-   __ZN10Randomized9writelineEj(i9, i2);
-   if ((i1 | 0) == (i2 | 0)) break; else i1 = i1 - i2 | 0;
-  }
-  if (!(HEAP32[98] | 0)) {
-   i1 = 392;
-   i2 = 0;
-  } else {
-   i1 = 392;
-   d3 = 0;
-   do {
-    i9 = i1 + 8 | 0;
-    d3 = d3 + +HEAPF64[i9 >> 3];
-    d13 = d3 < 1 ? d3 : 1;
-    HEAPF64[i9 >> 3] = d13;
-    HEAP32[i1 + 16 >> 2] = ~~(d13 * 512) >>> 0;
-    i1 = i1 + 24 | 0;
-   } while ((HEAP32[i1 >> 2] | 0) != 0);
-   i1 = 392;
-   i2 = 0;
-  }
-  do {
-   while (1) {
-    i9 = HEAP32[i1 + 16 >> 2] | 0;
-    if (i2 >>> 0 > i9 >>> 0 & (i9 | 0) != 0) i1 = i1 + 24 | 0; else break;
-   }
-   HEAP32[i11 + (i2 << 2) >> 2] = i1;
-   i2 = i2 + 1 | 0;
-  } while ((i2 | 0) != 513);
-  HEAP32[i11 + 2116 >> 2] = 0;
-  i1 = i10 * 5 | 0;
-  if (!i1) {
-   STACKTOP = i12;
-   return 0;
-  }
-  while (1) {
-   i2 = i1 >>> 0 < 60 ? i1 : 60;
-   __ZN10Randomized9writelineEj(i11, i2);
-   if ((i1 | 0) == (i2 | 0)) break; else i1 = i1 - i2 | 0;
-  }
-  STACKTOP = i12;
-  return 0;
- }
- function __ZN10Randomized9writelineEj(i5, i2) {
-  i5 = i5 | 0;
-  i2 = i2 | 0;
-  var i1 = 0, i3 = 0, d4 = 0, d6 = 0;
-  if (i2) {
-   i3 = 0;
-   do {
-    i1 = ((((HEAP32[129] | 0) * 3877 | 0) + 29573 | 0) >>> 0) % 139968 | 0;
-    HEAP32[129] = i1;
-    d6 = +(i1 >>> 0) / 139968;
-    d4 = d6;
-    i1 = HEAP32[i5 + (~~(d6 * 512) >>> 0 << 2) >> 2] | 0;
-    while (1) if (+HEAPF64[i1 + 8 >> 3] < d4) i1 = i1 + 24 | 0; else break;
-    HEAP8[i5 + 2052 + i3 >> 0] = HEAP32[i1 >> 2];
-    i3 = i3 + 1 | 0;
-   } while ((i3 | 0) != (i2 | 0));
-  }
-  HEAP8[i5 + 2052 + i2 >> 0] = 10;
-  i1 = i2 + 1 | 0;
-  HEAP8[i5 + 2052 + i1 >> 0] = 0;
-  HEAP32[i5 + 2116 >> 2] = i1;
-  i1 = i5 + 2052 | 0;
-  i2 = _strlen(i1 | 0) | 0;
-  i3 = HEAP32[128] | 0;
-  if ((i2 | 0) <= (i3 | 0)) {
-   _puts(i1 | 0) | 0;
-   HEAP32[128] = (HEAP32[128] | 0) - i2;
-   return;
-  }
-  if ((i3 | 0) <= 0) return;
-  HEAP8[i5 + 2052 + i3 >> 0] = 0;
-  _puts(i1 | 0) | 0;
-  HEAP8[(HEAP32[128] | 0) + (i5 + 2052) >> 0] = 122;
-  HEAP32[128] = 0;
-  return;
- }
- return {
-  _main: _main,
-  _emscripten_replace_memory: _emscripten_replace_memory
- };
-});
-
-
-
diff --git a/tests/optimizer/eliminateDeadGlobals.js b/tests/optimizer/eliminateDeadGlobals.js
deleted file mode 100644
index b7350b7d19fb4..0000000000000
--- a/tests/optimizer/eliminateDeadGlobals.js
+++ /dev/null
@@ -1,245 +0,0 @@
-var Module = {};
-Module["asm"] =  (function(global,env,buffer) {
-
-  'use asm';
-  
-  
-  var HEAP8 = new global.Int8Array(buffer);
-  var HEAP16 = new global.Int16Array(buffer);
-  var HEAP32 = new global.Int32Array(buffer);
-  var HEAPU8 = new global.Uint8Array(buffer);
-  var HEAPU16 = new global.Uint16Array(buffer);
-  var HEAPU32 = new global.Uint32Array(buffer);
-  var HEAPF32 = new global.Float32Array(buffer);
-  var HEAPF64 = new global.Float64Array(buffer);
-
-
-  var STACKTOP=env.STACKTOP|0;
-  var STACK_MAX=env.STACK_MAX|0;
-  var tempDoublePtr=env.tempDoublePtr|0;
-  var ABORT=env.ABORT|0;
-
-  var __THREW__ = 0;
-  var threwValue = 0;
-  var setjmpId = 0;
-  var undef = 0;
-  var nan = global.NaN, inf = global.Infinity;
-  var tempInt = 0, tempBigInt = 0, tempBigIntP = 0, tempBigIntS = 0, tempBigIntR = 0.0, tempBigIntI = 0, tempBigIntD = 0, tempValue = 0, tempDouble = 0.0;
-
-  var tempRet0 = 0;
-  var tempRet1 = 0;
-  var tempRet2 = 0;
-  var tempRet3 = 0;
-  var tempRet4 = 0;
-  var tempRet5 = 0;
-  var tempRet6 = 0;
-  var tempRet7 = 0;
-  var tempRet8 = 0;
-  var tempRet9 = 0;
-  var Math_floor=global.Math.floor;
-  var Math_abs=global.Math.abs;
-  var Math_sqrt=global.Math.sqrt;
-  var Math_pow=global.Math.pow;
-  var Math_cos=global.Math.cos;
-  var Math_sin=global.Math.sin;
-  var Math_tan=global.Math.tan;
-  var Math_acos=global.Math.acos;
-  var Math_asin=global.Math.asin;
-  var Math_atan=global.Math.atan;
-  var Math_atan2=global.Math.atan2;
-  var Math_exp=global.Math.exp;
-  var Math_log=global.Math.log;
-  var Math_ceil=global.Math.ceil;
-  var Math_imul=global.Math.imul;
-  var Math_min=global.Math.min;
-  var Math_clz32=global.Math.clz32;
-  var abort=env.abort;
-  var assert=env.assert;
-  var _atoi=env._atoi;
-  var _strlen=env._strlen;
-  var __Znam=env.__Znam;
-  var _puts=env._puts;
-  var _memcpy=env._memcpy;
-  var ___gxx_personality_v0=env.___gxx_personality_v0;
-  var __ZdaPv=env.__ZdaPv;
-  var __ZdlPv=env.__ZdlPv;
-  var tempFloat = 0.0;
-
- function _emscripten_replace_memory(newBuffer) {
-  if (byteLength(newBuffer) & 16777215 || byteLength(newBuffer) <= 16777215 || byteLength(newBuffer) > 2147483648) return false;
-  HEAP8 = new Int8View(newBuffer);
-  HEAP16 = new Int16View(newBuffer);
-  HEAP32 = new Int32View(newBuffer);
-  HEAPU8 = new Uint8View(newBuffer);
-  HEAPU16 = new Uint16View(newBuffer);
-  HEAPU32 = new Uint32View(newBuffer);
-  HEAPF32 = new Float32View(newBuffer);
-  HEAPF64 = new Float64View(newBuffer);
-  buffer = newBuffer;
-  return true;
- }
-
-// EMSCRIPTEN_START_FUNCS
-function _main(i1, i2) {
- i1 = i1 | 0;
- i2 = i2 | 0;
- var d3 = 0.0, i4 = 0, i5 = 0, i6 = 0, i7 = 0, i8 = 0, i9 = 0, i10 = 0, i11 = 0, i12 = 0, d13 = 0.0;
- i12 = STACKTOP;
- STACKTOP = STACKTOP + 4240 | 0;
- i9 = i12 + 2120 | 0;
- i11 = i12;
- if ((i1 | 0) > 1) i10 = _atoi(HEAP32[i2 + 4 >> 2] | 0) | 0; else i10 = 512;
- i8 = __Znam(347) | 0;
- _memcpy(i8 | 0, 520, 287) | 0;
- i1 = i8 + 287 | 0;
- i2 = 520;
- i4 = i1 + 60 | 0;
- do {
-  HEAP8[i1 >> 0] = HEAP8[i2 >> 0] | 0;
-  i1 = i1 + 1 | 0;
-  i2 = i2 + 1 | 0;
- } while ((i1 | 0) < (i4 | 0));
- i1 = i10 << 1;
- if (i1) {
-  i2 = 0;
-  while (1) {
-   i7 = i1 >>> 0 < 60 ? i1 : 60;
-   i4 = __Znam(i7 + 2 | 0) | 0;
-   _memcpy(i4 | 0, i8 + i2 | 0, i7 | 0) | 0;
-   HEAP8[i4 + i7 >> 0] = 0;
-   i5 = _strlen(i4 | 0) | 0;
-   i6 = HEAP32[128] | 0;
-   if ((i5 | 0) > (i6 | 0)) {
-    if ((i6 | 0) > 0) {
-     HEAP8[i4 + i6 >> 0] = 0;
-     _puts(i4 | 0) | 0;
-     HEAP32[128] = 0;
-    }
-   } else {
-    _puts(i4 | 0) | 0;
-    HEAP32[128] = (HEAP32[128] | 0) - i5;
-   }
-   __ZdlPv(i4 | 0);
-   i2 = i7 + i2 | 0;
-   if ((i1 | 0) == (i7 | 0)) break; else {
-    i1 = i1 - i7 | 0;
-    i2 = i2 >>> 0 > 287 ? i2 + -287 | 0 : i2;
-   }
-  }
- }
- __ZdaPv(i8 | 0);
- if (!(HEAP32[2] | 0)) {
-  i1 = 8;
-  i2 = 0;
- } else {
-  i1 = 8;
-  d3 = 0.0;
-  do {
-   i8 = i1 + 8 | 0;
-   d3 = d3 + +HEAPF64[i8 >> 3];
-   d13 = d3 < 1.0 ? d3 : 1.0;
-   HEAPF64[i8 >> 3] = d13;
-   HEAP32[i1 + 16 >> 2] = ~~(d13 * 512.0) >>> 0;
-   i1 = i1 + 24 | 0;
-  } while ((HEAP32[i1 >> 2] | 0) != 0);
-  i1 = 8;
-  i2 = 0;
- }
- do {
-  while (1) {
-   i8 = HEAP32[i1 + 16 >> 2] | 0;
-   if (i2 >>> 0 > i8 >>> 0 & (i8 | 0) != 0) i1 = i1 + 24 | 0; else break;
-  }
-  HEAP32[i9 + (i2 << 2) >> 2] = i1;
-  i2 = i2 + 1 | 0;
- } while ((i2 | 0) != 513);
- HEAP32[i9 + 2116 >> 2] = 0;
- i1 = i10 * 3 | 0;
- if (i1) while (1) {
-  i2 = i1 >>> 0 < 60 ? i1 : 60;
-  __ZN10Randomized9writelineEj(i9, i2);
-  if ((i1 | 0) == (i2 | 0)) break; else i1 = i1 - i2 | 0;
- }
- if (!(HEAP32[98] | 0)) {
-  i1 = 392;
-  i2 = 0;
- } else {
-  i1 = 392;
-  d3 = 0.0;
-  do {
-   i9 = i1 + 8 | 0;
-   d3 = d3 + +HEAPF64[i9 >> 3];
-   d13 = d3 < 1.0 ? d3 : 1.0;
-   HEAPF64[i9 >> 3] = d13;
-   HEAP32[i1 + 16 >> 2] = ~~(d13 * 512.0) >>> 0;
-   i1 = i1 + 24 | 0;
-  } while ((HEAP32[i1 >> 2] | 0) != 0);
-  i1 = 392;
-  i2 = 0;
- }
- do {
-  while (1) {
-   i9 = HEAP32[i1 + 16 >> 2] | 0;
-   if (i2 >>> 0 > i9 >>> 0 & (i9 | 0) != 0) i1 = i1 + 24 | 0; else break;
-  }
-  HEAP32[i11 + (i2 << 2) >> 2] = i1;
-  i2 = i2 + 1 | 0;
- } while ((i2 | 0) != 513);
- HEAP32[i11 + 2116 >> 2] = 0;
- i1 = i10 * 5 | 0;
- if (!i1) {
-  STACKTOP = i12;
-  return 0;
- }
- while (1) {
-  i2 = i1 >>> 0 < 60 ? i1 : 60;
-  __ZN10Randomized9writelineEj(i11, i2);
-  if ((i1 | 0) == (i2 | 0)) break; else i1 = i1 - i2 | 0;
- }
- STACKTOP = i12;
- return 0;
-}
-
-function __ZN10Randomized9writelineEj(i5, i2) {
- i5 = i5 | 0;
- i2 = i2 | 0;
- var i1 = 0, i3 = 0, d4 = 0.0, d6 = 0.0;
- if (i2) {
-  i3 = 0;
-  do {
-   i1 = ((((HEAP32[129] | 0) * 3877 | 0) + 29573 | 0) >>> 0) % 139968 | 0;
-   HEAP32[129] = i1;
-   d6 = +(i1 >>> 0) / 139968.0;
-   d4 = d6;
-   i1 = HEAP32[i5 + (~~(d6 * 512.0) >>> 0 << 2) >> 2] | 0;
-   while (1) if (+HEAPF64[i1 + 8 >> 3] < d4) i1 = i1 + 24 | 0; else break;
-   HEAP8[i5 + 2052 + i3 >> 0] = HEAP32[i1 >> 2];
-   i3 = i3 + 1 | 0;
-  } while ((i3 | 0) != (i2 | 0));
- }
- HEAP8[i5 + 2052 + i2 >> 0] = 10;
- i1 = i2 + 1 | 0;
- HEAP8[i5 + 2052 + i1 >> 0] = 0;
- HEAP32[i5 + 2116 >> 2] = i1;
- i1 = i5 + 2052 | 0;
- i2 = _strlen(i1 | 0) | 0;
- i3 = HEAP32[128] | 0;
- if ((i2 | 0) <= (i3 | 0)) {
-  _puts(i1 | 0) | 0;
-  HEAP32[128] = (HEAP32[128] | 0) - i2;
-  return;
- }
- if ((i3 | 0) <= 0) return;
- HEAP8[i5 + 2052 + i3 >> 0] = 0;
- _puts(i1 | 0) | 0;
- HEAP8[(HEAP32[128] | 0) + (i5 + 2052) >> 0] = 122;
- HEAP32[128] = 0;
- return;
-}
-
-// EMSCRIPTEN_END_FUNCS
-
-
-  return { _main: _main, _emscripten_replace_memory: _emscripten_replace_memory };
-})
-;
diff --git a/tests/test_other.py b/tests/test_other.py
index 541a84a9ad6ac..51248d9b5359e 100644
--- a/tests/test_other.py
+++ b/tests/test_other.py
@@ -40,8 +40,6 @@
 import jsrun
 import clang_native
 import tools.line_endings
-import tools.js_optimizer
-import tools.tempfiles
 
 scons_path = shared.which('scons')
 emmake = shared.bat_suffix(path_from_root('emmake'))
@@ -1775,8 +1773,6 @@ def test_extern_prepost(self):
   def test_js_optimizer(self):
     ACORN_PASSES = ['JSDCE', 'AJSDCE', 'applyImportAndExportNameChanges', 'emitDCEGraph', 'applyDCEGraphRemovals', 'growableHeap', 'unsignPointers', 'asanify']
     for input, expected, passes in [
-      (path_from_root('tests', 'optimizer', 'eliminateDeadGlobals.js'), open(path_from_root('tests', 'optimizer', 'eliminateDeadGlobals-output.js')).read(),
-       ['eliminateDeadGlobals']),
       (path_from_root('tests', 'optimizer', 'test-js-optimizer.js'), open(path_from_root('tests', 'optimizer', 'test-js-optimizer-output.js')).read(),
        ['hoistMultiples', 'removeAssignsToUndefined', 'simplifyExpressions']),
       (path_from_root('tests', 'optimizer', 'test-js-optimizer-asm.js'), open(path_from_root('tests', 'optimizer', 'test-js-optimizer-asm-output.js')).read(),
diff --git a/tools/js-optimizer.js b/tools/js-optimizer.js
index c2f2d62a84bf0..da5160e62d6d3 100755
--- a/tools/js-optimizer.js
+++ b/tools/js-optimizer.js
@@ -5019,22 +5019,6 @@ function findUninitializedVars(func, asmData) {
   return bad;
 }
 
-function trample(x, y) { // x = y, by trampling it
-  for (var i = 0; i < y.length; i++) {
-    x[i] = y[i];
-  }
-  x.length = y.length;
-}
-
-function ilog2(x) {
-  x = Math.round(x);
-  if (x === 1) return 0;
-  if (x === 2) return 1;
-  if (x === 4) return 2;
-  if (x === 8) return 3;
-  throw 'ilog2 is not smart enough for ' + x;
-}
-
 // emits which functions are directly reachable, except for some that are
 // ignored
 function findReachable(ast) {
@@ -5073,7 +5057,8 @@ function dumpCallGraph(ast) {
 
 // Last pass utilities
 
-// Change +5 to DOT$ZERO(5). We then textually change 5 to 5.0 (uglify's ast cannot differentiate between 5 and 5.0 directly)
+// Change +5 to DOT$ZERO(5). We then textually change 5 to 5.0 (uglify's ast
+// cannot differentiate between 5 and 5.0 directly)
 function prepDotZero(ast) {
   traverse(ast, function(node, type) {
     if (type === 'unary-prefix' && node[1] === '+') {
@@ -5084,6 +5069,7 @@ function prepDotZero(ast) {
     }
   });
 }
+
 function fixDotZero(js) {
   return js.replace(/-DOT\$ZERO\(-/g, '- DOT$ZERO(-') // avoid x - (-y.0) turning into x--y.0 when minified
            .replace(/DOT\$ZERO\(([-+]?(0x)?[0-9a-f]*\.?[0-9]*([eE][-+]?[0-9]+)?)\)/g, function(m, num) {
@@ -5198,125 +5184,6 @@ function asmLastOpts(ast) {
   });
 }
 
-// Cleans up globals in an asm.js module that are not used. Assumes it
-// receives a full asm.js module, as from the side file in --separate-asm
-function eliminateDeadGlobals(ast) {
-  traverse(ast, function(func, type) {
-    if (type !== 'function') return;
-    // find all symbols used by name that are not locals, so they must be globals
-    var stats = func[3];
-    var used = {};
-    for (var i = 0; i < stats.length; i++) {
-      var asmFunc = stats[i];
-      if (asmFunc[0] === 'defun') {
-        // the memory growth function does not contain valid asm.js, and can be ignored
-        var isAsmJS = asmFunc[1] !== '_emscripten_replace_memory';
-        if (isAsmJS) {
-          var asmData = normalizeAsm(asmFunc);
-        }
-        traverse(asmFunc, function(node, type) {
-          if (type == 'name') {
-            var name = node[1];
-            if (!isAsmJS || !(name in asmData.params || name in asmData.vars)) {
-              used[name] = 1;
-            }
-          }
-        });
-        if (isAsmJS) {
-          denormalizeAsm(asmFunc, asmData);
-        }
-      } else {
-        traverse(asmFunc, function(node, type) {
-          if (type == 'name') {
-            var name = node[1];
-            used[name] = 1;
-          }
-        });
-      }
-    }
-    for (var i = 0; i < stats.length; i++) {
-      var node = stats[i];
-      if (node[0] === 'var') {
-        for (var j = 0; j < node[1].length; j++) {
-          var v = node[1][j];
-          var name = v[0];
-          var value = v[1];
-          if (!(name in used)) {
-            node[1].splice(j, 1);
-            j--;
-            if (node[1].length == 0) {
-              // remove the whole var
-              stats[i] = emptyNode();
-            }
-          }
-        }
-      } else if (node[0] === 'defun') {
-        if (!(node[1] in used)) {
-          stats[i] = emptyNode();
-        }
-      }
-    }
-    removeEmptySubNodes(func);
-  });
-}
-
-function isAsmLibraryArgAssign(node) {
-  return node[0] === 'var' && node[1][0] && node[1][0][0] == 'asmLibraryArg';
-}
-
-function asmLibraryArgs(node) {
-  return node[1][0][1];
-}
-
-function isAsmUse(node) {
-  return node[0] === 'sub' &&
-         ((node[1][0] === 'name' && node[1][1] === 'asm') || // asm['X']
-          (node[1][0] === 'sub' && node[1][1][0] === 'name' && node[1][1][1] === 'Module' && node[1][2][0] === 'string' && node[1][2][1] === 'asm')) && // Module
-         node[2][0] === 'string';
-}
-
-function getAsmUseName(node) {
-  return node[2][1];
-}
-
-function isModuleUse(node) {
-  return node[0] === 'sub' &&
-         node[1][0] === 'name' && node[1][1] === 'Module' && // Module['X']
-         node[2][0] === 'string';
-}
-
-function getModuleUseName(node) {
-  return node[2][1];
-}
-
-function isModuleAsmUse(node) { // Module["asm"][..string..]
-  return node[0] === 'sub' &&
-         node[1][0] === 'sub' && node[1][1][0] === 'name' && node[1][1][1] === 'Module' && node[1][2][0] === 'string' && node[1][2][1] === 'asm' &&
-         node[2][0] === 'string';
-}
-
-// A static dyncall is dynCall('vii', ..), which is actually static even
-// though we call dynCall() - we see the string signature statically.
-function isStaticDynCall(node) {
-  return node[0] === 'call' && node[1][0] === 'name' && node[1][1] === 'dynCall' && node[2][0][0] === 'string';
-}
-
-function getStaticDynCallName(node) {
-  return 'dynCall_' + node[2][0][1];
-}
-
-// a dynamic dyncall is one in which all we know is *some* dynCall may
-// be called, but not who. This can be either
-//   dynCall(*not a string*, ..)
-// or, to be conservative,
-//   "dynCall_"
-// as that prefix means we may be constructing a dynamic dyncall name
-// (dynCall and embind's requireFunction do this internally).
-function isDynamicDynCall(node) {
-  return (node[0] === 'call' && node[1][0] === 'name' && node[1][1] === 'dynCall' && node[2][0][0] !== 'string') ||
-         (node[0] === 'string' && node[1] === 'dynCall_');
-}
-
 function removeFuncs(ast) {
   assert(ast[0] === 'toplevel');
   var keep = set(extraInfo.keep);
@@ -5346,7 +5213,6 @@ var passes = {
   loopOptimizer: loopOptimizer,
   registerize: registerize,
   registerizeHarder: registerizeHarder,
-  eliminateDeadGlobals: eliminateDeadGlobals,
   eliminate: eliminate,
   eliminateMemSafe: eliminateMemSafe,
   minifyGlobals: minifyGlobals,