diff --git a/td/tl/tl_dotnet_object.h b/td/tl/tl_dotnet_object.h
index e763eb61..33371fe0 100644
--- a/td/tl/tl_dotnet_object.h
+++ b/td/tl/tl_dotnet_object.h
@@ -118,7 +118,7 @@ struct CallFromUnmanaged {
 #endif
 
 template <class ResT, class T>
-inline ResT DoFromUnmanaged(T &from) {
+ResT DoFromUnmanaged(T &from) {
 #if TD_WINRT
   ResT res;
   downcast_call(from, [&](auto &from_downcasted) {
diff --git a/tdutils/td/utils/Slice.h b/tdutils/td/utils/Slice.h
index a2f17a50..c3dea997 100644
--- a/tdutils/td/utils/Slice.h
+++ b/tdutils/td/utils/Slice.h
@@ -34,7 +34,7 @@ inline MutableSlice::MutableSlice(string &s) : MutableSlice() {
 }
 
 template <class T>
-inline MutableSlice::MutableSlice(T s, std::enable_if_t<std::is_same<char *, T>::value, private_tag>) : s_(s) {
+MutableSlice::MutableSlice(T s, std::enable_if_t<std::is_same<char *, T>::value, private_tag>) : s_(s) {
   CHECK(s_ != nullptr);
   len_ = std::strlen(s_);
 }
@@ -159,13 +159,13 @@ inline Slice::Slice(const string &s) : s_(s.c_str()), len_(s.size()) {
 }
 
 template <class T>
-inline Slice::Slice(T s, std::enable_if_t<std::is_same<char *, std::remove_const_t<T>>::value, private_tag>) : s_(s) {
+Slice::Slice(T s, std::enable_if_t<std::is_same<char *, std::remove_const_t<T>>::value, private_tag>) : s_(s) {
   CHECK(s_ != nullptr);
   len_ = std::strlen(s_);
 }
 
 template <class T>
-inline Slice::Slice(T s, std::enable_if_t<std::is_same<const char *, std::remove_const_t<T>>::value, private_tag>)
+Slice::Slice(T s, std::enable_if_t<std::is_same<const char *, std::remove_const_t<T>>::value, private_tag>)
     : s_(s) {
   CHECK(s_ != nullptr);
   len_ = std::strlen(s_);