diff --git a/core/device_hooks/dpcpp_hooks.cpp b/core/device_hooks/dpcpp_hooks.cpp
index d0f9ce0fc33..a08f1f608fb 100644
--- a/core/device_hooks/dpcpp_hooks.cpp
+++ b/core/device_hooks/dpcpp_hooks.cpp
@@ -149,7 +149,7 @@ namespace kernels {
 namespace dpcpp {
 
 
-void destroy_event(sycl::event* event) GKO_NOT_COMPILED(cuda);
+void destroy_event(sycl::event* event) GKO_NOT_COMPILED(dpcpp);
 
 
 }  // namespace dpcpp
diff --git a/core/device_hooks/hip_hooks.cpp b/core/device_hooks/hip_hooks.cpp
index 40bffbdca92..50637f7b3f0 100644
--- a/core/device_hooks/hip_hooks.cpp
+++ b/core/device_hooks/hip_hooks.cpp
@@ -192,7 +192,7 @@ namespace hip {
 void reset_device(int device_id) GKO_NOT_COMPILED(hip);
 
 
-void destroy_event(GKO_HIP_EVENT_STRUCT* event) GKO_NOT_COMPILED(cuda);
+void destroy_event(GKO_HIP_EVENT_STRUCT* event) GKO_NOT_COMPILED(hip);
 
 
 }  // namespace hip
diff --git a/include/ginkgo/core/base/timer.hpp b/include/ginkgo/core/base/timer.hpp
index 3df873456e8..d431afada51 100644
--- a/include/ginkgo/core/base/timer.hpp
+++ b/include/ginkgo/core/base/timer.hpp
@@ -144,6 +144,7 @@ class Timer {
      *
      * @param start  the first time point (earlier)
      * @param end  the second time point (later)
+     *
      * @return the difference between the time points in nanoseconds.
      */
     virtual std::chrono::nanoseconds difference_async(
@@ -154,6 +155,7 @@ class Timer {
      * kernels on the given executor.
      *
      * @param exec  the executor to create a Timer for
+     *
      * @return CpuTimer for ReferenceExecutor and OmpExecutor, CudaTimer for
      *         CudaExecutor, HipTimer for HipExecutor or DpcppTimer for
      *         DpcppExecutor.