diff --git a/.gitignore b/.gitignore
index effde7d..dedede6 100755
--- a/.gitignore
+++ b/.gitignore
@@ -16,3 +16,6 @@ build
 .kdev4/
 .vscode/
 openmonero.kdev4
+.color_coded
+.ycm_extra_conf.py
+
diff --git a/tests/mocks.h b/tests/mocks.h
index 9868f17..efcee72 100755
--- a/tests/mocks.h
+++ b/tests/mocks.h
@@ -76,12 +76,12 @@ public:
                        bool(crypto::hash const& tx_hash,
                             transaction& tx));
 
-    MOCK_METHOD3(get_output_key,
+    MOCK_CONST_METHOD3(get_output_key,
                     void(uint64_t amount,
                          vector<uint64_t> const& absolute_offsets,
                          vector<output_data_t>& outputs));
 
-    MOCK_METHOD2(get_output_key,
+    MOCK_CONST_METHOD2(get_output_key,
                     output_data_t(uint64_t amount,
                                   uint64_t global_amount_index));