diff --git a/src/search/CMakeLists.txt b/src/search/CMakeLists.txt
index 8347c08b7b..7d8177ba14 100644
--- a/src/search/CMakeLists.txt
+++ b/src/search/CMakeLists.txt
@@ -856,8 +856,8 @@ create_fast_downward_library(
     HELP "Plugin containing the code for operator-counting heuristics"
     SOURCES
         operator_counting/constraint_generator
-        operator_counting/delete_relaxation_constraints_if
-        operator_counting/delete_relaxation_constraints_rr
+        operator_counting/delete_relaxation_if_constraints
+        operator_counting/delete_relaxation_rr_constraints
         operator_counting/lm_cut_constraints
         operator_counting/operator_counting_heuristic
         operator_counting/pho_constraints
diff --git a/src/search/operator_counting/delete_relaxation_constraints_if.cc b/src/search/operator_counting/delete_relaxation_if_constraints.cc
similarity index 99%
rename from src/search/operator_counting/delete_relaxation_constraints_if.cc
rename to src/search/operator_counting/delete_relaxation_if_constraints.cc
index f931f5b757..b5564936d2 100644
--- a/src/search/operator_counting/delete_relaxation_constraints_if.cc
+++ b/src/search/operator_counting/delete_relaxation_if_constraints.cc
@@ -1,4 +1,4 @@
-#include "delete_relaxation_constraints_if.h"
+#include "delete_relaxation_if_constraints.h"
 
 #include "../task_proxy.h"
 
diff --git a/src/search/operator_counting/delete_relaxation_constraints_if.h b/src/search/operator_counting/delete_relaxation_if_constraints.h
similarity index 100%
rename from src/search/operator_counting/delete_relaxation_constraints_if.h
rename to src/search/operator_counting/delete_relaxation_if_constraints.h
diff --git a/src/search/operator_counting/delete_relaxation_constraints_rr.cc b/src/search/operator_counting/delete_relaxation_rr_constraints.cc
similarity index 99%
rename from src/search/operator_counting/delete_relaxation_constraints_rr.cc
rename to src/search/operator_counting/delete_relaxation_rr_constraints.cc
index 8de8429f4d..887b6fcd13 100644
--- a/src/search/operator_counting/delete_relaxation_constraints_rr.cc
+++ b/src/search/operator_counting/delete_relaxation_rr_constraints.cc
@@ -1,4 +1,4 @@
-#include "delete_relaxation_constraints_rr.h"
+#include "delete_relaxation_rr_constraints.h"
 
 #include "../algorithms/priority_queues.h"
 #include "../lp/lp_solver.h"
diff --git a/src/search/operator_counting/delete_relaxation_constraints_rr.h b/src/search/operator_counting/delete_relaxation_rr_constraints.h
similarity index 100%
rename from src/search/operator_counting/delete_relaxation_constraints_rr.h
rename to src/search/operator_counting/delete_relaxation_rr_constraints.h