diff --git a/PRESUBMIT.py b/PRESUBMIT.py
index de0e49d6575025..8a81bb0babc1d3 100644
--- a/PRESUBMIT.py
+++ b/PRESUBMIT.py
@@ -1140,12 +1140,6 @@ def _ExtractAddRulesFromParsedDeps(parsed_deps):
 def _ParseDeps(contents):
   """Simple helper for parsing DEPS files."""
   # Stubs for handling special syntax in the root DEPS file.
-  def FromImpl(*_):
-    pass  # NOP function so "From" doesn't fail.
-
-  def FileImpl(_):
-    pass  # NOP function so "File" doesn't fail.
-
   class _VarImpl:
 
     def __init__(self, local_scope):
@@ -1160,8 +1154,6 @@ def Lookup(self, var_name):
 
   local_scope = {}
   global_scope = {
-      'File': FileImpl,
-      'From': FromImpl,
       'Var': _VarImpl(local_scope).Lookup,
   }
   exec contents in global_scope, local_scope
diff --git a/tools/roll_angle.py b/tools/roll_angle.py
index b45b48c1ca3712..83a5cdeabcaa4a 100755
--- a/tools/roll_angle.py
+++ b/tools/roll_angle.py
@@ -81,7 +81,6 @@ def _ParseDepsDict(deps_content):
   local_scope = {}
   var = GClientKeywords.VarImpl({}, local_scope)
   global_scope = {
-    'From': GClientKeywords.FromImpl,
     'Var': var.Lookup,
     'deps_os': {},
   }
diff --git a/tools/roll_swiftshader.py b/tools/roll_swiftshader.py
index d24a43a7b3e334..8e23b82e66789e 100755
--- a/tools/roll_swiftshader.py
+++ b/tools/roll_swiftshader.py
@@ -87,7 +87,6 @@ def _ParseDepsDict(deps_content):
   local_scope = {}
   var = GClientKeywords.VarImpl({}, local_scope)
   global_scope = {
-    'From': GClientKeywords.FromImpl,
     'Var': var.Lookup,
     'deps_os': {},
   }
diff --git a/tools/roll_webgl_conformance.py b/tools/roll_webgl_conformance.py
index 7f0bd95e1ab1ec..da9a1bda20d12b 100755
--- a/tools/roll_webgl_conformance.py
+++ b/tools/roll_webgl_conformance.py
@@ -83,7 +83,6 @@ def _ParseDepsDict(deps_content):
   local_scope = {}
   var = GClientKeywords.VarImpl({}, local_scope)
   global_scope = {
-    'From': GClientKeywords.FromImpl,
     'Var': var.Lookup,
     'deps_os': {},
   }
diff --git a/tools/roll_webrtc.py b/tools/roll_webrtc.py
index 7b3386e6d46a6e..543075f8a17ef1 100755
--- a/tools/roll_webrtc.py
+++ b/tools/roll_webrtc.py
@@ -96,7 +96,6 @@ def _ParseDepsDict(deps_content):
   local_scope = {}
   var = GClientKeywords.VarImpl({}, local_scope)
   global_scope = {
-#    'From': GClientKeywords.FromImpl,
     'Var': var.Lookup,
     'deps_os': {},
   }