diff --git a/pkgs/development/compilers/gcc/10/default.nix b/pkgs/development/compilers/gcc/10/default.nix
index 1a0a6e4b0d0ec..42939d5cf47fe 100644
--- a/pkgs/development/compilers/gcc/10/default.nix
+++ b/pkgs/development/compilers/gcc/10/default.nix
@@ -228,7 +228,6 @@ stdenv.mkDerivation ({
   };
 
   targetConfig = if targetPlatform != hostPlatform then targetPlatform.config else null;
-  targetPlatformConfig = targetPlatform.config;
 
   buildFlags = optional
     (targetPlatform == hostPlatform && hostPlatform == buildPlatform)
diff --git a/pkgs/development/compilers/gcc/11/default.nix b/pkgs/development/compilers/gcc/11/default.nix
index 20da9a97aa5c3..43fb799b6c52c 100644
--- a/pkgs/development/compilers/gcc/11/default.nix
+++ b/pkgs/development/compilers/gcc/11/default.nix
@@ -234,7 +234,6 @@ stdenv.mkDerivation ({
   };
 
   targetConfig = if targetPlatform != hostPlatform then targetPlatform.config else null;
-  targetPlatformConfig = targetPlatform.config;
 
   buildFlags = optional
     (targetPlatform == hostPlatform && hostPlatform == buildPlatform)
diff --git a/pkgs/development/compilers/gcc/12/default.nix b/pkgs/development/compilers/gcc/12/default.nix
index 74b03535a089f..3ba5991a6b8c5 100644
--- a/pkgs/development/compilers/gcc/12/default.nix
+++ b/pkgs/development/compilers/gcc/12/default.nix
@@ -270,7 +270,6 @@ stdenv.mkDerivation ({
   };
 
   targetConfig = if targetPlatform != hostPlatform then targetPlatform.config else null;
-  targetPlatformConfig = targetPlatform.config;
 
   buildFlags = optional
     (targetPlatform == hostPlatform && hostPlatform == buildPlatform)
diff --git a/pkgs/development/compilers/gcc/4.8/default.nix b/pkgs/development/compilers/gcc/4.8/default.nix
index 810706ed0f3dc..042e561a2e363 100644
--- a/pkgs/development/compilers/gcc/4.8/default.nix
+++ b/pkgs/development/compilers/gcc/4.8/default.nix
@@ -227,7 +227,6 @@ stdenv.mkDerivation ({
   };
 
   targetConfig = if targetPlatform != hostPlatform then targetPlatform.config else null;
-  targetPlatformConfig = targetPlatform.config;
 
   buildFlags = optional
     (targetPlatform == hostPlatform && hostPlatform == buildPlatform)
diff --git a/pkgs/development/compilers/gcc/4.9/default.nix b/pkgs/development/compilers/gcc/4.9/default.nix
index e25af867e5374..8420cfdde7d5c 100644
--- a/pkgs/development/compilers/gcc/4.9/default.nix
+++ b/pkgs/development/compilers/gcc/4.9/default.nix
@@ -247,7 +247,6 @@ stdenv.mkDerivation ({
   };
 
   targetConfig = if targetPlatform != hostPlatform then targetPlatform.config else null;
-  targetPlatformConfig = targetPlatform.config;
 
   buildFlags = optional
     (targetPlatform == hostPlatform && hostPlatform == buildPlatform)
diff --git a/pkgs/development/compilers/gcc/6/default.nix b/pkgs/development/compilers/gcc/6/default.nix
index fcb667b2413f3..4ed3b39fe0746 100644
--- a/pkgs/development/compilers/gcc/6/default.nix
+++ b/pkgs/development/compilers/gcc/6/default.nix
@@ -265,7 +265,6 @@ stdenv.mkDerivation ({
   };
 
   targetConfig = if targetPlatform != hostPlatform then targetPlatform.config else null;
-  targetPlatformConfig = targetPlatform.config;
 
   buildFlags = optional
     (targetPlatform == hostPlatform && hostPlatform == buildPlatform)
diff --git a/pkgs/development/compilers/gcc/7/default.nix b/pkgs/development/compilers/gcc/7/default.nix
index bb6a6b66a20f0..c35eddaf6033d 100644
--- a/pkgs/development/compilers/gcc/7/default.nix
+++ b/pkgs/development/compilers/gcc/7/default.nix
@@ -233,7 +233,6 @@ stdenv.mkDerivation ({
   ;
 
   targetConfig = if targetPlatform != hostPlatform then targetPlatform.config else null;
-  targetPlatformConfig = targetPlatform.config;
 
   buildFlags = optional
     (targetPlatform == hostPlatform && hostPlatform == buildPlatform)
diff --git a/pkgs/development/compilers/gcc/8/default.nix b/pkgs/development/compilers/gcc/8/default.nix
index d4cd1f5aadc95..ec85e5b745019 100644
--- a/pkgs/development/compilers/gcc/8/default.nix
+++ b/pkgs/development/compilers/gcc/8/default.nix
@@ -212,7 +212,6 @@ stdenv.mkDerivation ({
   };
 
   targetConfig = if targetPlatform != hostPlatform then targetPlatform.config else null;
-  targetPlatformConfig = targetPlatform.config;
 
   buildFlags = optional
     (targetPlatform == hostPlatform && hostPlatform == buildPlatform)
diff --git a/pkgs/development/compilers/gcc/9/default.nix b/pkgs/development/compilers/gcc/9/default.nix
index 248a92a2965a0..6222623f0a24c 100644
--- a/pkgs/development/compilers/gcc/9/default.nix
+++ b/pkgs/development/compilers/gcc/9/default.nix
@@ -226,7 +226,6 @@ stdenv.mkDerivation ({
   };
 
   targetConfig = if targetPlatform != hostPlatform then targetPlatform.config else null;
-  targetPlatformConfig = targetPlatform.config;
 
   buildFlags = optional
     (targetPlatform == hostPlatform && hostPlatform == buildPlatform)
diff --git a/pkgs/development/compilers/gcc/builder.sh b/pkgs/development/compilers/gcc/builder.sh
index dd5a8de76e2a8..2d7a058fa015c 100644
--- a/pkgs/development/compilers/gcc/builder.sh
+++ b/pkgs/development/compilers/gcc/builder.sh
@@ -203,17 +203,6 @@ preInstall() {
         ln -s lib "$out/${targetConfig}/lib32"
         ln -s lib "${!outputLib}/${targetConfig}/lib32"
     fi
-
-    # cc-wrappers uses --sysroot=/nix/store/does/not/exist as a way to
-    # drop default sysheaders search path. Unfortunately that switches
-    # clang++ into searching libraries in gcc in cross-compiler paths:
-    #   from ${!outputLib}/lib (native)
-    #   to ${!outputLib}/${targetPlatformConfig}/lib
-    # We create the symlink to make both native and cross paths
-    # available even if the toolchain is not the cross-compiler.
-    if [ ! -e ${!outputLib}/${targetPlatformConfig} ] ; then
-        ln -s . ${!outputLib}/${targetPlatformConfig}
-    fi
 }