diff --git a/lib/equalizer/base.h b/lib/equalizer/base.h
index 2e9193d..279c33e 100644
--- a/lib/equalizer/base.h
+++ b/lib/equalizer/base.h
@@ -35,6 +35,8 @@ public:
 
 protected:
 	static const gr_complex LONG[64];
+
+	gr_complex d_H[64];
 };
 
 } /* namespace channel_estimation */
diff --git a/lib/equalizer/comb.h b/lib/equalizer/comb.h
index cf26890..daf2e63 100644
--- a/lib/equalizer/comb.h
+++ b/lib/equalizer/comb.h
@@ -30,9 +30,6 @@ public:
 	double get_snr();
 
 private:
-	gr_complex d_H[64];
-
-
 	const double alpha = 0.2;
 };
 
diff --git a/lib/equalizer/lms.h b/lib/equalizer/lms.h
index 094947f..41fd247 100644
--- a/lib/equalizer/lms.h
+++ b/lib/equalizer/lms.h
@@ -31,8 +31,6 @@ public:
 private:
 	double get_snr();
 
-
-	gr_complex d_H[64];
 	double d_snr;
 	const double alpha = 0.5;
 };
diff --git a/lib/equalizer/ls.h b/lib/equalizer/ls.h
index 2bbf68c..97aad8a 100644
--- a/lib/equalizer/ls.h
+++ b/lib/equalizer/ls.h
@@ -30,7 +30,6 @@ public:
 	virtual void equalize(gr_complex *in, int n, gr_complex *symbols, uint8_t *bits, boost::shared_ptr<gr::digital::constellation> mod);
 	virtual double get_snr();
 private:
-	gr_complex d_H[64];
 	double d_snr;
 };
 
diff --git a/lib/equalizer/sta.h b/lib/equalizer/sta.h
index bb619e7..60108f4 100644
--- a/lib/equalizer/sta.h
+++ b/lib/equalizer/sta.h
@@ -31,7 +31,6 @@ public:
 	double get_snr();
 
 private:
-	gr_complex d_H[64];
 	double d_snr;
 
 	const double alpha = 0.5;