diff --git a/spec/models/commit_spec.rb b/spec/models/commit_spec.rb
index e303a97e6b55edd290ced7c3b79f93f5d6934cfd..90be93249511f5b8eef45d4b5d65587758c37553 100644
--- a/spec/models/commit_spec.rb
+++ b/spec/models/commit_spec.rb
@@ -89,9 +89,9 @@ eos
   end
 
   it_behaves_like 'a mentionable' do
-    subject { commit }
+    subject { create(:project).commit }
 
-    let(:author) { create(:user, email: commit.author_email) }
+    let(:author) { create(:user, email: subject.author_email) }
     let(:backref_text) { "commit #{subject.id}" }
     let(:set_mentionable_text) do
       ->(txt) { allow(subject).to receive(:safe_message).and_return(txt) }
diff --git a/spec/models/issue_spec.rb b/spec/models/issue_spec.rb
index cf336d829579ee7c4477bf06b27a9497ae65479d..623332cd2f95c16784f6958ad5443194cf4c78bf 100644
--- a/spec/models/issue_spec.rb
+++ b/spec/models/issue_spec.rb
@@ -69,7 +69,7 @@ describe Issue do
   end
 
   it_behaves_like 'an editable mentionable' do
-    subject { create(:issue, project: project) }
+    subject { create(:issue) }
 
     let(:backref_text) { "issue #{subject.to_reference}" }
     let(:set_mentionable_text) { ->(txt){ subject.description = txt } }
diff --git a/spec/models/note_spec.rb b/spec/models/note_spec.rb
index 3a0b194ba1e236d49d4a87c54400d280a710c084..75564839dcfb6baac5c2b44357b1184cd5fc0b73 100644
--- a/spec/models/note_spec.rb
+++ b/spec/models/note_spec.rb
@@ -192,10 +192,9 @@ describe Note do
   end
 
   it_behaves_like 'an editable mentionable' do
-    subject { create :note, noteable: issue, project: project }
+    subject { create :note, noteable: issue, project: issue.project }
 
-    let(:project) { create(:project) }
-    let(:issue) { create :issue, project: project }
+    let(:issue) { create :issue }
     let(:backref_text) { issue.gfm_reference }
     let(:set_mentionable_text) { ->(txt) { subject.note = txt } }
   end
diff --git a/spec/support/mentionable_shared_examples.rb b/spec/support/mentionable_shared_examples.rb
index 220566a22b652ac94ec757fbcc317f33f5292c6a..412c6f4ead864f30cd83a599b9fbaaf39547d6d7 100644
--- a/spec/support/mentionable_shared_examples.rb
+++ b/spec/support/mentionable_shared_examples.rb
@@ -5,7 +5,7 @@
 # - let(:set_mentionable_text) { lambda { |txt| "block that assigns txt to the subject's mentionable_text" } }
 
 def common_mentionable_setup
-  let(:project) { create :project }
+  let(:project) { subject.project }
   let(:author)  { subject.author }
 
   let(:mentioned_issue)  { create(:issue, project: project) }