diff --git a/src/Magnum/Shaders/DistanceFieldVectorGL.h b/src/Magnum/Shaders/DistanceFieldVectorGL.h
index f8cc95202..24e466454 100644
--- a/src/Magnum/Shaders/DistanceFieldVectorGL.h
+++ b/src/Magnum/Shaders/DistanceFieldVectorGL.h
@@ -50,6 +50,7 @@ namespace Implementation {
         #endif
     };
     typedef Containers::EnumSet<DistanceFieldVectorGLFlag> DistanceFieldVectorGLFlags;
+    CORRADE_ENUMSET_OPERATORS(DistanceFieldVectorGLFlags)
 }
 
 /**
@@ -781,7 +782,6 @@ template<UnsignedInt dimensions> Debug& operator<<(Debug& debug, DistanceFieldVe
 namespace Implementation {
     MAGNUM_SHADERS_EXPORT Debug& operator<<(Debug& debug, DistanceFieldVectorGLFlag value);
     MAGNUM_SHADERS_EXPORT Debug& operator<<(Debug& debug, DistanceFieldVectorGLFlags value);
-    CORRADE_ENUMSET_OPERATORS(DistanceFieldVectorGLFlags)
 }
 #endif
 
diff --git a/src/Magnum/Shaders/FlatGL.h b/src/Magnum/Shaders/FlatGL.h
index af3ec0a63..939642ccb 100644
--- a/src/Magnum/Shaders/FlatGL.h
+++ b/src/Magnum/Shaders/FlatGL.h
@@ -66,6 +66,7 @@ namespace Implementation {
         #endif
     };
     typedef Containers::EnumSet<FlatGLFlag> FlatGLFlags;
+    CORRADE_ENUMSET_OPERATORS(FlatGLFlags)
 }
 
 /**
@@ -1560,7 +1561,6 @@ template<UnsignedInt dimensions> Debug& operator<<(Debug& debug, FlatGL<dimensio
 namespace Implementation {
     MAGNUM_SHADERS_EXPORT Debug& operator<<(Debug& debug, FlatGLFlag value);
     MAGNUM_SHADERS_EXPORT Debug& operator<<(Debug& debug, FlatGLFlags value);
-    CORRADE_ENUMSET_OPERATORS(FlatGLFlags)
 }
 #endif
 
diff --git a/src/Magnum/Shaders/VectorGL.h b/src/Magnum/Shaders/VectorGL.h
index af4e6f7f7..0d6b68dd3 100644
--- a/src/Magnum/Shaders/VectorGL.h
+++ b/src/Magnum/Shaders/VectorGL.h
@@ -50,6 +50,7 @@ namespace Implementation {
         #endif
     };
     typedef Containers::EnumSet<VectorGLFlag> VectorGLFlags;
+    CORRADE_ENUMSET_OPERATORS(VectorGLFlags)
 }
 
 /**
@@ -731,7 +732,6 @@ template<UnsignedInt dimensions> Debug& operator<<(Debug& debug, VectorGL<dimens
 namespace Implementation {
     MAGNUM_SHADERS_EXPORT Debug& operator<<(Debug& debug, VectorGLFlag value);
     MAGNUM_SHADERS_EXPORT Debug& operator<<(Debug& debug, VectorGLFlags value);
-    CORRADE_ENUMSET_OPERATORS(VectorGLFlags)
 }
 #endif
 
diff --git a/src/Magnum/Shaders/VertexColorGL.h b/src/Magnum/Shaders/VertexColorGL.h
index 3dbac4a3e..1d8ddffa6 100644
--- a/src/Magnum/Shaders/VertexColorGL.h
+++ b/src/Magnum/Shaders/VertexColorGL.h
@@ -49,6 +49,7 @@ namespace Implementation {
         #endif
     };
     typedef Containers::EnumSet<VertexColorGLFlag> VertexColorGLFlags;
+    CORRADE_ENUMSET_OPERATORS(VertexColorGLFlags)
 }
 
 /**
@@ -548,7 +549,6 @@ template<UnsignedInt dimensions> Debug& operator<<(Debug& debug, VertexColorGL<d
 namespace Implementation {
     MAGNUM_SHADERS_EXPORT Debug& operator<<(Debug& debug, VertexColorGLFlag value);
     MAGNUM_SHADERS_EXPORT Debug& operator<<(Debug& debug, VertexColorGLFlags value);
-    CORRADE_ENUMSET_OPERATORS(VertexColorGLFlags)
 }
 #endif