diff --git a/src/sfizz.h b/src/sfizz.h
index d79a10e3..6dee8b7b 100644
--- a/src/sfizz.h
+++ b/src/sfizz.h
@@ -966,7 +966,7 @@ SFIZZ_EXPORTED_API bool sfizz_should_reload_scala(sfizz_synth_t* synth);
  * @par Thread-safety constraints
  * - TBD ?
  */
-SFIZZ_EXPORTED_API void sfizz_enable_logging(sfizz_synth_t* synth);
+SFIZZ_EXPORTED_API void sfizz_enable_logging(sfizz_synth_t* synth, const char* prefix);
 
 /**
  * @brief Disable logging.
@@ -991,7 +991,7 @@ SFIZZ_EXPORTED_API void sfizz_disable_logging(sfizz_synth_t* synth);
  * @par Thread-safety constraints
  * - TBD ?
  */
-SFIZZ_EXPORTED_API void sfizz_set_logging_prefix(sfizz_synth_t* synth, const char* prefix);
+SFIZZ_EXPORTED_API SFIZZ_DEPRECATED_API void sfizz_set_logging_prefix(sfizz_synth_t* synth, const char* prefix);
 
 /**
  * @brief Shuts down the current processing, clear buffers and reset the voices.
diff --git a/src/sfizz.hpp b/src/sfizz.hpp
index 9c36743e..2feb9fe1 100644
--- a/src/sfizz.hpp
+++ b/src/sfizz.hpp
@@ -886,7 +886,7 @@ public:
      * @par Thread-safety constraints
      * - TBD ?
      */
-    void enableLogging() noexcept;
+    SFIZZ_DEPRECATED_API void enableLogging() noexcept;
 
     /**
      * @brief Enable logging of timings to sidecar CSV files.
@@ -912,7 +912,7 @@ public:
      * @par Thread-safety constraints
      * - TBD ?
      */
-    void setLoggingPrefix(const std::string& prefix) noexcept;
+    SFIZZ_DEPRECATED_API void setLoggingPrefix(const std::string& prefix) noexcept;
 
     /**
      * @brief Disable logging of timings to sidecar CSV files.
diff --git a/src/sfizz/Synth.cpp b/src/sfizz/Synth.cpp
index 9ac490d1..77173a4e 100644
--- a/src/sfizz/Synth.cpp
+++ b/src/sfizz/Synth.cpp
@@ -1941,12 +1941,6 @@ void Synth::enableLogging(absl::string_view prefix) noexcept
     impl.resources_.logger.enableLogging(prefix);
 }
 
-void Synth::setLoggingPrefix(absl::string_view prefix) noexcept
-{
-    Impl& impl = *impl_;
-    impl.resources_.logger.setPrefix(prefix);
-}
-
 void Synth::disableLogging() noexcept
 {
     Impl& impl = *impl_;
diff --git a/src/sfizz/Synth.h b/src/sfizz/Synth.h
index 709833d4..4e9815d1 100644
--- a/src/sfizz/Synth.h
+++ b/src/sfizz/Synth.h
@@ -630,12 +630,6 @@ public:
      *
      */
     void enableLogging(absl::string_view prefix = "") noexcept;
-    /**
-     * @brief Enable logging of timings to sidecar CSV files. This can produce
-     * many outputs so use with caution.
-     *
-     */
-    void setLoggingPrefix(absl::string_view prefix) noexcept;
     /**
      * @brief Disable logging;
      *
diff --git a/src/sfizz/sfizz.cpp b/src/sfizz/sfizz.cpp
index c3a98ee0..57cb8e24 100644
--- a/src/sfizz/sfizz.cpp
+++ b/src/sfizz/sfizz.cpp
@@ -338,7 +338,7 @@ void sfz::Sfizz::enableLogging(const std::string& prefix) noexcept
 
 void sfz::Sfizz::setLoggingPrefix(const std::string& prefix) noexcept
 {
-    synth->synth.setLoggingPrefix(prefix);
+
 }
 
 void sfz::Sfizz::disableLogging() noexcept
diff --git a/src/sfizz/sfizz_wrapper.cpp b/src/sfizz/sfizz_wrapper.cpp
index 8a720d03..4c5c4ca1 100644
--- a/src/sfizz/sfizz_wrapper.cpp
+++ b/src/sfizz/sfizz_wrapper.cpp
@@ -309,19 +309,22 @@ bool sfizz_should_reload_scala(sfizz_synth_t* synth)
     return synth->synth.shouldReloadScala();
 }
 
-void sfizz_enable_logging(sfizz_synth_t* synth)
+void sfizz_enable_logging(sfizz_synth_t* synth, const char* prefix)
 {
-    return synth->synth.enableLogging();
+    if (prefix)
+        synth->synth.enableLogging(prefix);
+    else
+        synth->synth.enableLogging();
 }
 
 void sfizz_set_logging_prefix(sfizz_synth_t* synth, const char* prefix)
 {
-    return synth->synth.setLoggingPrefix(prefix);
+
 }
 
 void sfizz_disable_logging(sfizz_synth_t* synth)
 {
-    return synth->synth.disableLogging();
+    synth->synth.disableLogging();
 }
 
 void sfizz_all_sound_off(sfizz_synth_t* synth)