diff --git a/astronaut/functions/say_hello.sh b/astronaut/functions/say_hello.sh
index 5a90a9d..82ede6d 100644
--- a/astronaut/functions/say_hello.sh
+++ b/astronaut/functions/say_hello.sh
@@ -2,7 +2,6 @@
 
 # You define a function here, and it becomes available in any script that imports it.
 say_hello() {
-    # Any function or variable that shouldn't be seen by the satellite is prefixed with "_func_"
-    _func_tmp="Hello, there!"
-    echo "Function ran! $_func_tmp"
+    local tmp="Hello, there!"
+    echo "Function ran! $tmp"
 }
diff --git a/satellites/functions/compile/cmake.sh b/satellites/functions/compile/cmake.sh
index 4b2f026..8ef5b73 100644
--- a/satellites/functions/compile/cmake.sh
+++ b/satellites/functions/compile/cmake.sh
@@ -10,7 +10,7 @@ compile_cmake() {
 }
 
 compile_cmake_installbin() {
-    _func_file="$1"; shift
+    local file="$1"; shift
     compile_cmake_base $@
-    install -D "$_func_file" "$dir_install/$dir_prefix/bin/$_func_file"
+    install -D "$file" "$dir_install/$dir_prefix/bin/$_func_file"
 }
diff --git a/satellites/functions/compile/python.sh b/satellites/functions/compile/python.sh
index 72e9eef..0486bde 100644
--- a/satellites/functions/compile/python.sh
+++ b/satellites/functions/compile/python.sh
@@ -1,4 +1,4 @@
 compile_python() {
-    _func_ver="$1"; shift
-    python$_func_ver setup.py install --prefix="$dir_prefix" --root="$dir_install" $@
+    local ver="$1"; shift
+    python$ver setup.py install --prefix="$dir_prefix" --root="$dir_install" $@
 }
diff --git a/satellites/functions/compile/qt.sh b/satellites/functions/compile/qt.sh
index 4d211e6..d2feda2 100644
--- a/satellites/functions/compile/qt.sh
+++ b/satellites/functions/compile/qt.sh
@@ -1,6 +1,6 @@
 compile_qt() {
-    _func_ver="$1"; shift
-    qmake-qt$_func_ver PREFIX="$dir_prefix" build_mode=release build_type=shared $@
+    local ver="$1"; shift
+    qmake-qt$ver PREFIX="$dir_prefix" build_mode=release build_type=shared $@
     make
     make INSTALL_ROOT="$dir_install" install
 }
diff --git a/satellites/functions/download/git.sh b/satellites/functions/download/git.sh
index 8017c2d..2b14b3c 100644
--- a/satellites/functions/download/git.sh
+++ b/satellites/functions/download/git.sh
@@ -1,15 +1,15 @@
 download_git() {
-    _func_reponame="$(basename "$1")"
-    _func_dir="$dir_source/$name/$_func_reponame-$2"
+    local reponame="$(basename "$1")"
+    local dir="$dir_source/$name/$_func_reponame-$2"
 
-    if [ ! -d "$_func_dir" ]; then
-        rm -rf "$_func_dir"
-        git clone --recursive --depth=1 -b "v$2" "$1" "$_func_dir"
+    if [ ! -d "$dir" ]; then
+        rm -rf "$dir"
+        git clone --recursive --depth=1 -b "v$2" "$1" "$dir"
     else
-        cd "$_func_dir"
+        cd "$dir"
         git checkout "tags/v$2"
         cd "$OLDPWD"
     fi
 
-    getfile "$_func_reponame-$2"
+    getfile "$reponame-$2"
 }
diff --git a/satellites/functions/vcs/git.sh b/satellites/functions/vcs/git.sh
index b5b82a4..cdd3157 100644
--- a/satellites/functions/vcs/git.sh
+++ b/satellites/functions/vcs/git.sh
@@ -1,20 +1,20 @@
 vcs_git() {
-    _func_reponame="$(basename "$1")"
-    _func_dir="$dir_source/$name/$_func_reponame"
+    local reponame="$(basename "$1")"
+    local dir="$dir_source/$name/$reponame"
 
-    if [ ! -d "$_func_dir" ]; then
+    if [ ! -d "$dir" ]; then
         # Clone new repo
-        git clone --recursive --depth=1 "$1" "$_func_dir"
-        cd "$_func_dir"
-        echo "$(git rev-parse @)" > "${_func_dir}_rev_$_satname"
+        git clone --recursive --depth=1 "$1" "$dir"
+        cd "$dir"
+        echo "$(git rev-parse @)" > "${dir}_rev_$_satname"
         vcs_compile=true
     else
-        cd "$_func_dir"
+        cd "$dir"
 
         git pull > /dev/null
-        _func_rev="$(git rev-parse @)"
-        if [ "$_func_rev" != "$(cat "${_func_dir}_rev_$_satname" 2> /dev/null || true)" ]; then
-            echo "$_func_rev" > "${_func_dir}_rev_$_satname"
+        local rev="$(git rev-parse @)"
+        if [ "$rev" != "$(cat "${dir}_rev_$_satname" 2> /dev/null || true)" ]; then
+            echo "$rev" > "${dir}_rev_$_satname"
             vcs_compile=true
         fi
     fi
@@ -22,5 +22,5 @@ vcs_git() {
     version="$(git rev-list HEAD --count)_$(git rev-parse --short HEAD)"
     cd "$OLDPWD"
 
-    getfile "$_func_reponame"
+    getfile "$reponame"
 }