diff --git a/Library/Homebrew/formula_installer.rb b/Library/Homebrew/formula_installer.rb
index 6a55ff58b4..1d54a111d4 100644
--- a/Library/Homebrew/formula_installer.rb
+++ b/Library/Homebrew/formula_installer.rb
@@ -613,8 +613,8 @@ class FormulaInstaller
     # Update tab with actual runtime dependencies
     tab = Tab.for_keg(keg)
     Tab.clear_cache
-    tab.runtime_dependency_objects =
-      formula.runtime_dependencies(read_from_tab: false)
+    f_runtime_deps = formula.runtime_dependencies(read_from_tab: false)
+    tab.runtime_dependencies = Tab.runtime_deps_hash(f_runtime_deps)
     tab.write
 
     # let's reset Utils.git_available? if we just installed git
diff --git a/Library/Homebrew/tab.rb b/Library/Homebrew/tab.rb
index 3b20ec19b4..fb6d45cafb 100644
--- a/Library/Homebrew/tab.rb
+++ b/Library/Homebrew/tab.rb
@@ -266,10 +266,6 @@ class Tab < OpenStruct
     super unless parsed_homebrew_version < "1.1.6"
   end
 
-  def runtime_dependency_objects=(deps)
-    source["runtime_dependencies"] = Tab.runtime_deps_hash(deps)
-  end
-
   def cxxstdlib
     # Older tabs won't have these values, so provide sensible defaults
     lib = stdlib.to_sym if stdlib