diff --git a/clang-tools-extra/clangd/AST.h b/clang-tools-extra/clangd/AST.h
--- a/clang-tools-extra/clangd/AST.h
+++ b/clang-tools-extra/clangd/AST.h
@@ -80,9 +80,11 @@
 /// take in to account using directives etc
 /// Example: shortenNamespace("ns1::MyClass<ns1::OtherClass>", "ns1")
 ///    --> "MyClass<ns1::OtherClass>"
-std::string  shortenNamespace(const llvm::StringRef OriginalName,
-                              const llvm::StringRef CurrentNamespace);
+std::string shortenNamespace(const llvm::StringRef OriginalName,
+                             const llvm::StringRef CurrentNamespace);
 
+bool isImplicitTemplateInstantiation(const NamedDecl *D);
+bool isExplicitTemplateSpecialization(const NamedDecl *D);
 
 } // namespace clangd
 } // namespace clang
diff --git a/clang-tools-extra/clangd/AST.cpp b/clang-tools-extra/clangd/AST.cpp
--- a/clang-tools-extra/clangd/AST.cpp
+++ b/clang-tools-extra/clangd/AST.cpp
@@ -14,6 +14,7 @@
 #include "clang/AST/TemplateBase.h"
 #include "clang/Basic/SourceLocation.h"
 #include "clang/Basic/SourceManager.h"
+#include "clang/Basic/Specifiers.h"
 #include "clang/Index/USRGeneration.h"
 #include "llvm/ADT/Optional.h"
 #include "llvm/Support/Casting.h"
@@ -40,8 +41,32 @@
   // contain TemplateArgumentLoc information.
   return llvm::None;
 }
+
+template <class T>
+bool isTemplateSpecializationKind(const NamedDecl *D,
+                                  TemplateSpecializationKind Kind) {
+  if (const auto *TD = dyn_cast<T>(D))
+    return TD->getTemplateSpecializationKind() == Kind;
+  return false;
+}
+
+bool isTemplateSpecializationKind(const NamedDecl *D,
+                                  TemplateSpecializationKind Kind) {
+  return isTemplateSpecializationKind<FunctionDecl>(D, Kind) ||
+         isTemplateSpecializationKind<CXXRecordDecl>(D, Kind) ||
+         isTemplateSpecializationKind<VarDecl>(D, Kind);
+}
+
 } // namespace
 
+bool isImplicitTemplateInstantiation(const NamedDecl *D) {
+  return isTemplateSpecializationKind(D, TSK_ImplicitInstantiation);
+}
+
+bool isExplicitTemplateSpecialization(const NamedDecl *D) {
+  return isTemplateSpecializationKind(D, TSK_ExplicitSpecialization);
+}
+
 // Returns true if the complete name of decl \p D is spelled in the source code.
 // This is not the case for:
 //   * symbols formed via macro concatenation, the spelling location will
diff --git a/clang-tools-extra/clangd/ClangdUnit.cpp b/clang-tools-extra/clangd/ClangdUnit.cpp
--- a/clang-tools-extra/clangd/ClangdUnit.cpp
+++ b/clang-tools-extra/clangd/ClangdUnit.cpp
@@ -9,6 +9,7 @@
 #include "ClangdUnit.h"
 #include "../clang-tidy/ClangTidyDiagnosticConsumer.h"
 #include "../clang-tidy/ClangTidyModuleRegistry.h"
+#include "AST.h"
 #include "Compiler.h"
 #include "Diagnostics.h"
 #include "Headers.h"
@@ -19,8 +20,11 @@
 #include "index/CanonicalIncludes.h"
 #include "index/Index.h"
 #include "clang/AST/ASTContext.h"
+#include "clang/AST/Decl.h"
+#include "clang/AST/DeclCXX.h"
 #include "clang/Basic/LangOptions.h"
 #include "clang/Basic/SourceManager.h"
+#include "clang/Basic/Specifiers.h"
 #include "clang/Basic/TokenKinds.h"
 #include "clang/Frontend/CompilerInstance.h"
 #include "clang/Frontend/CompilerInvocation.h"
@@ -70,6 +74,9 @@
       auto &SM = D->getASTContext().getSourceManager();
       if (!isInsideMainFile(D->getLocation(), SM))
         continue;
+      if (const NamedDecl *ND = dyn_cast<NamedDecl>(D))
+        if (isImplicitTemplateInstantiation(ND))
+          continue;
 
       // ObjCMethodDecl are not actually top-level decls.
       if (isa<ObjCMethodDecl>(D))
diff --git a/clang-tools-extra/clangd/CodeComplete.cpp b/clang-tools-extra/clangd/CodeComplete.cpp
--- a/clang-tools-extra/clangd/CodeComplete.cpp
+++ b/clang-tools-extra/clangd/CodeComplete.cpp
@@ -1674,13 +1674,6 @@
   }
 };
 
-template <class T> bool isExplicitTemplateSpecialization(const NamedDecl &ND) {
-  if (const auto *TD = dyn_cast<T>(&ND))
-    if (TD->getTemplateSpecializationKind() == TSK_ExplicitSpecialization)
-      return true;
-  return false;
-}
-
 } // namespace
 
 clang::CodeCompleteOptions CodeCompleteOptions::getClangCompleteOpts() const {
@@ -1783,9 +1776,7 @@
   };
   // We only complete symbol's name, which is the same as the name of the
   // *primary* template in case of template specializations.
-  if (isExplicitTemplateSpecialization<FunctionDecl>(ND) ||
-      isExplicitTemplateSpecialization<CXXRecordDecl>(ND) ||
-      isExplicitTemplateSpecialization<VarDecl>(ND))
+  if (isExplicitTemplateSpecialization(&ND))
     return false;
 
   if (InTopLevelScope(ND))
diff --git a/clang-tools-extra/clangd/unittests/ClangdUnitTests.cpp b/clang-tools-extra/clangd/unittests/ClangdUnitTests.cpp
--- a/clang-tools-extra/clangd/unittests/ClangdUnitTests.cpp
+++ b/clang-tools-extra/clangd/unittests/ClangdUnitTests.cpp
@@ -103,6 +103,20 @@
   EXPECT_THAT(AST.getLocalTopLevelDecls(), ElementsAre(DeclNamed("main")));
 }
 
+TEST(ClangdUnitTest, DoesNotGetImplicitTemplateTopDecls) {
+  TestTU TU;
+  TU.Code = R"cpp(
+    template<typename T>
+    void f(T) {}
+    void s() {
+      f(10UL);
+    }
+  )cpp";
+  auto AST = TU.build();
+  EXPECT_THAT(AST.getLocalTopLevelDecls(),
+              ElementsAre(DeclNamed("f"), DeclNamed("s")));
+}
+
 TEST(ClangdUnitTest, TokensAfterPreamble) {
   TestTU TU;
   TU.AdditionalFiles["foo.h"] = R"(