diff --git a/bindings-gsl.cabal b/bindings-gsl.cabal
--- a/bindings-gsl.cabal
+++ b/bindings-gsl.cabal
@@ -3,7 +3,7 @@
 homepage: http://bitbucket.org/mauricio/bindings-gsl
 synopsis:
   Low level bindings to GNU GSL.
-version: 0.1.1.5
+version: 0.1.1.6
 license: BSD3
 license-file: LICENSE
 maintainer: Maurício C. Antunes <mauricio.antunes@gmail.com>
diff --git a/src/Bindings/Gsl/PhysicalConstants.hsc b/src/Bindings/Gsl/PhysicalConstants.hsc
--- a/src/Bindings/Gsl/PhysicalConstants.hsc
+++ b/src/Bindings/Gsl/PhysicalConstants.hsc
@@ -28,8 +28,6 @@
 #fractional GSL_CONST_CGSM_BARN
 #fractional GSL_CONST_MKS_BARN
 #fractional GSL_CONST_MKSA_BARN
-#fractional GSL_CONST_CGS_BOHR_MAGNETON
-#fractional GSL_CONST_CGSM_BOHR_MAGNETON
 #fractional GSL_CONST_MKS_BOHR_MAGNETON
 #fractional GSL_CONST_MKSA_BOHR_MAGNETON
 #fractional GSL_CONST_CGS_BOHR_RADIUS
@@ -74,12 +72,8 @@
 #fractional GSL_CONST_CGSM_DYNE
 #fractional GSL_CONST_MKS_DYNE
 #fractional GSL_CONST_MKSA_DYNE
-#fractional GSL_CONST_CGS_ELECTRON_CHARGE
-#fractional GSL_CONST_CGSM_ELECTRON_CHARGE
 #fractional GSL_CONST_MKS_ELECTRON_CHARGE
 #fractional GSL_CONST_MKSA_ELECTRON_CHARGE
-#fractional GSL_CONST_CGS_ELECTRON_MAGNETIC_MOMENT
-#fractional GSL_CONST_CGSM_ELECTRON_MAGNETIC_MOMENT
 #fractional GSL_CONST_MKS_ELECTRON_MAGNETIC_MOMENT
 #fractional GSL_CONST_MKSA_ELECTRON_MAGNETIC_MOMENT
 #fractional GSL_CONST_CGS_ELECTRON_VOLT
@@ -91,8 +85,6 @@
 #fractional GSL_CONST_MKS_ERG
 #fractional GSL_CONST_MKSA_ERG
 #fractional GSL_CONST_NUM_EXA
-#fractional GSL_CONST_CGS_FARADAY
-#fractional GSL_CONST_CGSM_FARADAY
 #fractional GSL_CONST_MKS_FARADAY
 #fractional GSL_CONST_MKSA_FARADAY
 #fractional GSL_CONST_CGS_FATHOM
@@ -117,8 +109,6 @@
 #fractional GSL_CONST_CGSM_FOOTLAMBERT
 #fractional GSL_CONST_MKS_FOOTLAMBERT
 #fractional GSL_CONST_MKSA_FOOTLAMBERT
-#fractional GSL_CONST_CGS_GAUSS
-#fractional GSL_CONST_CGSM_GAUSS
 #fractional GSL_CONST_MKS_GAUSS
 #fractional GSL_CONST_MKSA_GAUSS
 #fractional GSL_CONST_NUM_GIGA
@@ -255,8 +245,6 @@
 #fractional GSL_CONST_CGSM_NEWTON
 #fractional GSL_CONST_MKS_NEWTON
 #fractional GSL_CONST_MKSA_NEWTON
-#fractional GSL_CONST_CGS_NUCLEAR_MAGNETON
-#fractional GSL_CONST_CGSM_NUCLEAR_MAGNETON
 #fractional GSL_CONST_MKS_NUCLEAR_MAGNETON
 #fractional GSL_CONST_MKSA_NUCLEAR_MAGNETON
 #fractional GSL_CONST_CGS_OUNCE_MASS
@@ -305,8 +293,6 @@
 #fractional GSL_CONST_CGSM_POUND_MASS
 #fractional GSL_CONST_MKS_POUND_MASS
 #fractional GSL_CONST_MKSA_POUND_MASS
-#fractional GSL_CONST_CGS_PROTON_MAGNETIC_MOMENT
-#fractional GSL_CONST_CGSM_PROTON_MAGNETIC_MOMENT
 #fractional GSL_CONST_MKS_PROTON_MAGNETIC_MOMENT
 #fractional GSL_CONST_MKSA_PROTON_MAGNETIC_MOMENT
 #fractional GSL_CONST_CGS_PSI
