diff --git a/lib/guardian.rb b/lib/guardian.rb
index a34dadd7102..3ea110c00ee 100644
--- a/lib/guardian.rb
+++ b/lib/guardian.rb
@@ -162,7 +162,7 @@ class Guardian
   def can_see?(obj)
     if obj
       see_method = method_name_for :see, obj
-      (see_method ? public_send(see_method, obj) : true)
+      see_method && public_send(see_method, obj)
     end
   end
 
diff --git a/lib/guardian/tag_guardian.rb b/lib/guardian/tag_guardian.rb
index db1ec7688ce..f6fd968e984 100644
--- a/lib/guardian/tag_guardian.rb
+++ b/lib/guardian/tag_guardian.rb
@@ -2,6 +2,10 @@
 
 #mixin for all guardian methods dealing with tagging permissions
 module TagGuardian
+  def can_see_tag?(_tag)
+    true
+  end
+
   def can_create_tag?
     SiteSetting.tagging_enabled &&
       @user.has_trust_level_or_staff?(SiteSetting.min_trust_to_create_tag)
diff --git a/lib/guardian/user_guardian.rb b/lib/guardian/user_guardian.rb
index 2879ad036f9..f81b78271d0 100644
--- a/lib/guardian/user_guardian.rb
+++ b/lib/guardian/user_guardian.rb
@@ -118,6 +118,10 @@ module UserGuardian
     user && can_administer_user?(user)
   end
 
+  def can_see_user?(_user)
+    true
+  end
+
   def can_see_profile?(user)
     return false if user.blank?
     return true if !SiteSetting.allow_users_to_hide_profile?
diff --git a/spec/lib/guardian/user_guardian_spec.rb b/spec/lib/guardian/user_guardian_spec.rb
index b6b0ab0e804..5808d2a8f50 100644
--- a/spec/lib/guardian/user_guardian_spec.rb
+++ b/spec/lib/guardian/user_guardian_spec.rb
@@ -91,6 +91,12 @@ RSpec.describe UserGuardian do
     end
   end
 
+  describe "#can_see_user?" do
+    it "is always true" do
+      expect(Guardian.new.can_see_user?(anything)).to eq(true)
+    end
+  end
+
   describe "#can_see_profile?" do
     it "is false for no user" do
       expect(Guardian.new.can_see_profile?(nil)).to eq(false)
diff --git a/spec/lib/guardian_spec.rb b/spec/lib/guardian_spec.rb
index 52c2885d7e0..fba8a71e48b 100644
--- a/spec/lib/guardian_spec.rb
+++ b/spec/lib/guardian_spec.rb
@@ -861,6 +861,11 @@ RSpec.describe Guardian do
       expect(Guardian.new.can_see?(nil)).to be_falsey
     end
 
+    it "returns false when no visibility method is defined for the object" do
+      unguarded_object = 42
+      expect(Guardian.new.can_see?(unguarded_object)).to be_falsey
+    end
+
     describe "a Category" do
       it "allows public categories" do
         public_category = Fabricate(:category, read_restricted: false)
@@ -3532,6 +3537,12 @@ RSpec.describe Guardian do
       context "when min_trust_to_create_tag is 3" do
         before { SiteSetting.min_trust_to_create_tag = 3 }
 
+        describe "#can_see_tag?" do
+          it "is always true" do
+            expect(Guardian.new.can_see_tag?(anything)).to be_truthy
+          end
+        end
+
         describe "can_create_tag" do
           it "returns false if trust level is too low" do
             expect(Guardian.new(trust_level_2).can_create_tag?).to be_falsey