diff --git a/src/sfizz/Config.h b/src/sfizz/Config.h
index 69bf58b9..0291c46a 100644
--- a/src/sfizz/Config.h
+++ b/src/sfizz/Config.h
@@ -51,6 +51,11 @@ namespace config {
     constexpr uint8_t numCCs { 143 };
     constexpr int chunkSize { 1024 };
     constexpr float defaultAmpEGRelease { 0.02f };
+    /**
+       Minimum interval in frames between recomputations of coefficients of the
+       modulated filter. The lower, the more CPU resources are consumed.
+    */
+    constexpr int filterControlInterval { 16 };
 } // namespace config
 
 // Enable or disable SIMD accelerators by default
diff --git a/src/sfizz/SfzFilter.cpp b/src/sfizz/SfzFilter.cpp
index 35b3f210..1d936e02 100644
--- a/src/sfizz/SfzFilter.cpp
+++ b/src/sfizz/SfzFilter.cpp
@@ -4,8 +4,8 @@
 // license. You should have receive a LICENSE.md file along with the code.
 // If not, contact the sfizz maintainers at https://github.com/sfztools/sfizz
 
+#include "Config.h"
 #include "SfzFilter.h"
-#include "SfzFilterDefs.h"
 #include "SfzFilterImpls.cxx"
 #include <cstring>
 #include <cassert>
@@ -174,8 +174,8 @@ void Filter<NCh>::Impl::processModulated(F &filter, const float *const in[NCh],
     while (frame < nframes) {
         unsigned current = nframes - frame;
 
-        if (current > kFilterControlInterval)
-            current = kFilterControlInterval;
+        if (current > config::filterControlInterval)
+            current = config::filterControlInterval;
 
         const float *current_in[NCh];
         float *current_out[NCh];
diff --git a/src/sfizz/SfzFilterDefs.h b/src/sfizz/SfzFilterDefs.h
deleted file mode 100644
index 85a219a6..00000000
--- a/src/sfizz/SfzFilterDefs.h
+++ /dev/null
@@ -1,19 +0,0 @@
-// SPDX-License-Identifier: BSD-2-Clause
-
-// This code is part of the sfizz library and is licensed under a BSD 2-clause
-// license. You should have receive a LICENSE.md file along with the code.
-// If not, contact the sfizz maintainers at https://github.com/sfztools/sfizz
-
-#pragma once
-
-namespace sfz {
-
-enum {
-    /**
-       Minimum interval in frames between recomputations of coefficients of the
-       modulated filter. The lower, the more CPU resources are consumed.
-    */
-    kFilterControlInterval = 16,
-};
-
-} // namespace sfz