diff --git a/lib/bundler/resolver.rb b/lib/bundler/resolver.rb
index 573d0621a813ed..54e25a2adc545e 100644
--- a/lib/bundler/resolver.rb
+++ b/lib/bundler/resolver.rb
@@ -80,8 +80,7 @@ def setup_solver
     def solve_versions(root:, logger:)
       solver = PubGrub::VersionSolver.new(source: self, root: root, logger: logger)
       result = solver.solve
-      resolved_specs = result.flat_map {|package, version| version.to_specs(package, @most_specific_locked_platform) }
-      resolved_specs |= @base.specs_compatible_with(SpecSet.new(resolved_specs))
+      result.flat_map {|package, version| version.to_specs(package, @most_specific_locked_platform) }
     rescue PubGrub::SolveFailure => e
       incompatibility = e.incompatibility
 
diff --git a/lib/bundler/resolver/base.rb b/lib/bundler/resolver/base.rb
index 078bde0fd132fd..f7d15a30242d21 100644
--- a/lib/bundler/resolver/base.rb
+++ b/lib/bundler/resolver/base.rb
@@ -30,10 +30,6 @@ def initialize(source_requirements, dependencies, base, platforms, options)
         end
       end
 
-      def specs_compatible_with(result)
-        @base.specs_compatible_with(result)
-      end
-
       def [](name)
         @base[name]
       end
diff --git a/lib/bundler/spec_set.rb b/lib/bundler/spec_set.rb
index abb194b808a439..b44b98c8d373b3 100644
--- a/lib/bundler/spec_set.rb
+++ b/lib/bundler/spec_set.rb
@@ -163,12 +163,6 @@ def find_by_name_and_platform(name, platform)
       @specs.detect {|spec| spec.name == name && spec.match_platform(platform) }
     end
 
-    def specs_compatible_with(other)
-      select do |spec|
-        other.valid?(spec)
-      end
-    end
-
     def delete_by_name(name)
       @specs.reject! {|spec| spec.name == name }