diff --git a/src/intra.c b/src/intra.c
index e9cdd1de..f2fc2658 100644
--- a/src/intra.c
+++ b/src/intra.c
@@ -479,7 +479,7 @@ static void linear_transform_cclm(const cclm_parameters_t* cclm_params, kvz_pixe
 }
 
 
-void predict_cclm(
+static void predict_cclm(
   encoder_state_t const* const state,
   const color_t color,
   const int8_t width,
diff --git a/src/search_intra.c b/src/search_intra.c
index e9eb0bc8..ee53ad59 100644
--- a/src/search_intra.c
+++ b/src/search_intra.c
@@ -457,7 +457,7 @@ static double search_intra_trdepth(
     return nosplit_cost;
   }
 }
-void sort_modes(intra_search_data_t* __restrict modes, uint8_t length)
+static void sort_modes(intra_search_data_t* __restrict modes, uint8_t length)
 {
   // Length for intra is always between 5 and 23, and is either 21, 17, 9 or 8 about
   // 60% of the time, so there should be no need for anything more complex