diff --git a/src/halfvec.h b/src/halfvec.h
index d20a268..aefd3d9 100644
--- a/src/halfvec.h
+++ b/src/halfvec.h
@@ -6,7 +6,6 @@
 #include <float.h>
 
 #include "bitutils.h"
-#include "fmgr.h"
 #include "vector.h"
 
 #if defined(USE_DISPATCH)
diff --git a/src/sparsevec.h b/src/sparsevec.h
index 5a88593..e663c51 100644
--- a/src/sparsevec.h
+++ b/src/sparsevec.h
@@ -1,8 +1,6 @@
 #ifndef SPARSEVEC_H
 #define SPARSEVEC_H
 
-#include "fmgr.h"
-
 #define SPARSEVEC_MAX_DIM 1000000000
 #define SPARSEVEC_MAX_NNZ 16000
 
diff --git a/src/vector.h b/src/vector.h
index 570a758..e649471 100644
--- a/src/vector.h
+++ b/src/vector.h
@@ -1,8 +1,6 @@
 #ifndef VECTOR_H
 #define VECTOR_H
 
-#include "fmgr.h"
-
 #define VECTOR_MAX_DIM 16000
 
 #define VECTOR_SIZE(_dim)		(offsetof(Vector, x) + sizeof(float)*(_dim))