diff --git a/Library/Homebrew/language/python.rb b/Library/Homebrew/language/python.rb
index 9e12305926..8598dc996e 100644
--- a/Library/Homebrew/language/python.rb
+++ b/Library/Homebrew/language/python.rb
@@ -287,7 +287,7 @@ module Language
           targets = Array(targets)
           @formula.system @venv_root/"bin/pip", "install",
                           "-v", "--no-deps", "--no-binary", ":all:",
-                          "--no-user", "--ignore-installed", *targets
+                          "--ignore-installed", *targets
         end
       end
     end
diff --git a/Library/Homebrew/test/language/python/virtualenv_spec.rb b/Library/Homebrew/test/language/python/virtualenv_spec.rb
index 948363dda3..07ab7bcf35 100644
--- a/Library/Homebrew/test/language/python/virtualenv_spec.rb
+++ b/Library/Homebrew/test/language/python/virtualenv_spec.rb
@@ -24,7 +24,7 @@ describe Language::Python::Virtualenv::Virtualenv, :needs_python do
     it "accepts a string" do
       expect(formula).to receive(:system)
         .with(dir/"bin/pip", "install", "-v", "--no-deps",
-              "--no-binary", ":all:", "--no-user", "--ignore-installed", "foo")
+              "--no-binary", ":all:", "--ignore-installed", "foo")
         .and_return(true)
       virtualenv.pip_install "foo"
     end
@@ -32,7 +32,7 @@ describe Language::Python::Virtualenv::Virtualenv, :needs_python do
     it "accepts a multi-line strings" do
       expect(formula).to receive(:system)
         .with(dir/"bin/pip", "install", "-v", "--no-deps",
-              "--no-binary", ":all:", "--no-user", "--ignore-installed", "foo", "bar")
+              "--no-binary", ":all:", "--ignore-installed", "foo", "bar")
         .and_return(true)
 
       virtualenv.pip_install <<~EOS
@@ -44,12 +44,12 @@ describe Language::Python::Virtualenv::Virtualenv, :needs_python do
     it "accepts an array" do
       expect(formula).to receive(:system)
         .with(dir/"bin/pip", "install", "-v", "--no-deps",
-              "--no-binary", ":all:", "--no-user", "--ignore-installed", "foo")
+              "--no-binary", ":all:", "--ignore-installed", "foo")
         .and_return(true)
 
       expect(formula).to receive(:system)
         .with(dir/"bin/pip", "install", "-v", "--no-deps",
-              "--no-binary", ":all:", "--no-user", "--ignore-installed", "bar")
+              "--no-binary", ":all:", "--ignore-installed", "bar")
         .and_return(true)
 
       virtualenv.pip_install ["foo", "bar"]
@@ -61,7 +61,7 @@ describe Language::Python::Virtualenv::Virtualenv, :needs_python do
       expect(res).to receive(:stage).and_yield
       expect(formula).to receive(:system)
         .with(dir/"bin/pip", "install", "-v", "--no-deps",
-              "--no-binary", ":all:", "--no-user", "--ignore-installed", Pathname.pwd)
+              "--no-binary", ":all:", "--ignore-installed", Pathname.pwd)
         .and_return(true)
 
       virtualenv.pip_install res